code1
stringlengths
17
427k
code2
stringlengths
17
427k
similar
int64
0
1
pair_id
int64
2
181,637B
question_pair_id
float64
3.7M
180,677B
code1_group
int64
1
299
code2_group
int64
1
299
N = int(input()) a = list(map(int, input().split())) x = 0 for r in a: x ^= r a = [str(x^r) for r in a] a = ' '.join(a) print(a)
N = int(input()) a = list(map(int,input().split())) S = 0 for i in range(N): S ^= a[i] Ans = "" for i in range(N): print(S^a[i])
1
12,555,789,029,210
null
123
123
#template def inputlist(): return [int(j) for j in input().split()] #template N = int(input()) A = inputlist() A.sort() ans = 1 if A[0] == 0: print(0) exit() for i in range(N): ans *= A[i] if ans > 10**18: print(-1) exit() print(ans)
N =int(input()) A = sorted(list(map(int,input().split()))) B = 1 C = 10 ** 18 for i in range(N): B = B * A[i] if B == 0: break elif B > C: B = -1 break print(B)
1
16,252,121,467,842
null
134
134
n=int(input('')) p=0 for i in range(n-1): a=i+1 p=p+(n-1)//a print(p)
N, M = map(int, input().split()) SC = [list(map(int, input().split())) for _ in range(M)] li = [-1] * N for s, c in SC: if li[s - 1] == -1: li[s - 1] = c else: if not li[s - 1] == c: print(-1) exit() ans = "" if N == 1: print(max(0, li[0])) exit() for i in range(N): if i == 0: if li[i] == 0: print(-1) exit() else: ans += str(max(li[i], 1)) else: ans += str(max(0, li[i])) print(ans)
0
null
31,803,272,422,348
73
208
n = list(map(int,input().split())) a = list(map(int,input().split())) for i in range(n[1],n[0]): if a[i-n[1]] < a[i]: print("Yes") else: print("No")
#E H,N=map(int,input().split()) A=[0 for i in range(N)] dp=[float("inf") for i in range(10**4+1)] dp[0]=0 for i in range(N): a,b=map(int,input().split()) A[i]=a for j in range(10**4+1): if j+a>10**4: break dp[j+a]=min(dp[j]+b,dp[j+a]) if H+max(A)>10**4: print(min(dp[H:])) else: print(min(dp[H:H+max(A)]))
0
null
43,946,717,153,618
102
229
#ABC147 C やってる途中 n=int(input()) l=[] for i in range(n): a=int(input()) l_=[] for j in range(a): xy=list(map(int,input().split())) l_.append(xy) l.append(l_) ans=0 for i in range(2**n): table=[0]*n flag=False for j in range(n): if (i>>j)&1: table[j]=1 for j in range(n): for k in l[j]: if k[1]!=table[k[0]-1] and table[j]==1: flag=True break if flag: break if flag==True: continue ans = max(ans, table.count(1)) print(ans)
stack = [] res = [] area = input() for i, terrain in enumerate(area): if terrain == '\\': stack.append(i) elif terrain == '/' and len(stack)>0: left = stack.pop() pond = i - left if len(res) == 0 or left >= res[-1][0]: res.append([left,pond]) else: while len(res) > 0 and left < res[-1][0] : pond += res[-1][1] res.pop() res.append([left,pond]) total = 0 ponds = [] for i in res: ponds.append(i[1]) total += i[1] ans = [len(res)] ans += ponds ans_new = " ".join(map(str,ans)) print(total) print(ans_new)
0
null
60,612,140,341,710
262
21
N,K = map(int,input().split()) # from scipy.special import comb # a = comb(n, r) MOD = 10**9 + 7 ans = 0 for k in range(K,N+2): # print(k) right = (N+N-k+1)*k // 2 left = (k-1)*k // 2 ans += right - left + 1 ans %= MOD # print(ans) # ans += comb(N+1, k, exact=True) # print(ans) print(ans)
S=0 a,b=map(int,input().split()) for N in range(b,a+2): S+=(((a-N+1)*N)+1) print(S%(10**9+7))
1
32,993,337,935,232
null
170
170
import sys if __name__ == "__main__": n = int(sys.stdin.readline()) inp = sys.stdin.readlines() lis = set() for i in range(n): com = inp[i].split() if com[0] == "insert": lis.add(com[1]) elif com[1] in lis: print("yes") else: print("no")
op = "$" while op != "?": a, op, c = map(str, raw_input().split()) a = int(a) c = int(c) if op == "+": print u"%d" % (a+c) elif op == "-": print u"%d" % (a-c) elif op == "*": print u"%d" % (a*c) elif op == "/": print u"%d" % (a/c) else: break
0
null
381,545,589,672
23
47
N = input() print("Yes" if N.count("7") > 0 else "No")
n = input() if '7' in n : print('Yes') else : print('No')
1
34,293,683,162,892
null
172
172
k = int(input()) s = list(input()) an_lis = [] if len(s) <= k: ans = "".join(s) print(ans) else: for i in range(k): an_lis.append(s[i]) an_lis.append("...") ans = "".join(an_lis) print(ans)
k=int(input()) s=input() l=len(s) if l<=k: print(s) else: s=list(s) t=[] for i in range(k): t.append(s[i]) t.append('...') print(''.join(t))
1
19,603,436,444,828
null
143
143
N, M = map(int, input().split()) A = [int(i) for i in input().split()] print(N-sum(A) if N-sum(A) >= 0 else -1)
N = int(input()) # 最後の数字+1以下じゃないとだめ # abc -> 次はa,b,c,d dic = ["a","b","c","d","e","f","g","h","i","j"] strs = ["a"] cnt = 1 while cnt < N: tmps = [] for s in strs: for i,d in enumerate(dic[::-1]): if d in s: ind = len(dic)-i-1 break # print(s,ind,dic[i]) for i in range(ind+2): tmps.append(s+dic[i]) cnt += 1 strs = tmps[:] for s in strs: print(s)
0
null
42,357,238,175,644
168
198
import math a, b = input().split(" ") a = int(a) b = int(b) print(int(a * b / math.gcd(a, b)))
N = int(input()) S = input() A = [''] for i in S: if i != A[-1]: A.append(i) print(len(''.join(A)))
0
null
141,263,301,712,608
256
293
s = input() print(s[:3].lower())
S = str(input()) ans = S[0:3] print(ans)
1
14,786,445,632,420
null
130
130
R = int(input()) print(R**2)
r=int(input()) print(r*r)
1
145,070,714,545,062
null
278
278
inf = 10**9 + 7 def merge(A, left, mid, right): cnt = 0 L = A[left:mid] R = A[mid:right] L.append(inf) R.append(inf) i, j = 0, 0 for k in range(left, right): if L[i] <= R[j]: A[k] = L[i] i += 1 else: A[k] = R[j] j += 1 cnt += 1 return cnt def merge_sort(A, left, right): cnt = 0 if left + 1 < right: mid = (left + right) // 2 cnt += merge_sort(A, left, mid) cnt += merge_sort(A, mid, right) cnt += merge(A, left, mid, right) return cnt n = int(input()) *A, = map(int, input().split()) cnt = merge_sort(A, 0, n) print(*A) print(cnt)
def merge(A, left, mid, right): global count n1 = mid - left n2 = right - mid L=[] R=[] # for i in range(n1): # L.append(A[left + i]) # for i in range(n2): # R.append(A[mid + i]) L=A[left:mid] R=A[mid:right] L.append(10e10) R.append(10e10) i = 0 j = 0 for k in range(left , right): count +=1 if L[i] <= R[j]: A[k] = L[i] i = i + 1 else: A[k] = R[j] j = j + 1 def mergeSort(A, left, right): if left+1 < right: mid = (left + right)//2 mergeSort(A, left, mid) mergeSort(A, mid, right) merge(A, left, mid, right) n = int(input()) A = list(map(int, input().split())) count = 0 mergeSort(A, 0, n) print(*A) print(count)
1
111,048,395,352
null
26
26
def read_n_lows_input(n): Alist=[int(input()) for i in range(n)] return Alist def print_list(A): print(*A, sep=" ") def print_list_multi_low(A): for i in A: print(i) def insertion_sort(A, n, g, cnt): for i in range(g-1, n): v = A[i] j = i - g while j >= 0 and A[j] > v: A[j+g] = A[j] j -= g cnt += 1 A[j+g] = v return A, cnt def shell_sort(A, n): cnt = 0 G0 = [797161, 265720, 88573, 29524, 9841, 3280, 1093, 364, 121, 40, 13, 4, 1] G = [i for i in G0 if i <= n] m = len(G) print(m) print_list(G) for i in range(m): A, cnt = insertion_sort(A, n, G[i], cnt) print(cnt) print_list_multi_low(A) n=int(input()) A = read_n_lows_input(n) shell_sort(A, n)
import sys readline = sys.stdin.readline def insertionSort(A, n, g, cnt): for i in range(g, n): v = A[i] j = i - g while j >= 0 and A[j] > v: A[j + g] = A[j] j -= g cnt += 1 A[j + g] = v return cnt def shellSort(A, n): cnt = 0 h = 4 G = [1] while h < n: G += [h] h = 3 * h + 1 m = len(G) for i in range(m - 1, -1, -1): cnt = insertionSort(A, n, G[i], cnt) print(m) print(*G[::-1]) print(cnt) print(*A, sep="\n") n = int(input()) A = [int(readline()) for _ in range(n)] shellSort(A, n)
1
30,320,750,240
null
17
17
S = input() ans = 0 tmp = 0 for i in range(len(S)): if S[i] == "R": tmp += 1 ans = max(ans, tmp) else: tmp = 0 print(ans)
def main(): s = input() if s in ["hi", "hihi", "hihihi", "hihihihi", "hihihihihi"]: print("Yes") else: print("No") if __name__ == "__main__": main()
0
null
28,852,119,320,964
90
199
import sys input = sys.stdin.readline r,c,k = map(int,input().split()) l = [[0]*c for i in range(r)] for i in range(k): x,y,v = map(int,input().split()) l[x-1][y-1] = v dp = [[0]*4 for i in range(c+1)] for i in range(r): ndp = [[0]*4 for i in range(c+1)] for j in range(c): M = max(dp[j+1]) if l[i][j]>0: v = l[i][j] ndp[j+1][0] = max(M,dp[j][0],ndp[j][0]) ndp[j+1][1] = max(M+v,dp[j][0]+v,ndp[j][0]+v,dp[j][1],ndp[j][1]) ndp[j+1][2] = max(dp[j][1]+v,ndp[j][1]+v,dp[j][2],ndp[j][2]) ndp[j+1][3] = max(dp[j][2]+v,ndp[j][2]+v,dp[j][3],ndp[j][3]) else: ndp[j+1][0] = max(M,dp[j][0],ndp[j][0]) ndp[j+1][1] = max(dp[j][1],ndp[j][1]) ndp[j+1][2] = max(dp[j][2],ndp[j][2]) ndp[j+1][3] = max(dp[j][3],ndp[j][3]) dp = ndp print(max(dp[-1]))
R,C,K=map(int,input().split()) l=[[0] * C for i in range(R)] for i in range(K): a,b,c=map(int,input().split()) a-=1 b-=1 l[a][b]=c dp=[0]*C for i in range(R): ndp=[0]*C kdp=[0]*4 for j in range(0,C): kdp[0]=max(kdp[0],dp[j]) for k in range(2,-1,-1): kdp[k+1]=max(kdp[k+1],kdp[k]+l[i][j]) ndp[j]=max(kdp) dp=ndp print(dp[C-1])
1
5,511,629,352,040
null
94
94
def solve(l): e = l.pop() if e == '*': return solve(l) * solve(l) elif e == '+': return solve(l) + solve(l) elif e == '-': return - solve(l) + solve(l) else: return int(e) formula = input().split() print(solve(formula))
# coding: utf-8 stack = [] f = input().split() for s in f: if s in ('+', '-', '*'): stack.append(str(eval("{1}{2}{0}".format(stack.pop(), stack.pop(), s)))) else: stack.append(s) print(*stack)
1
35,429,007,640
null
18
18
def resolve(): S = input() Q = int(input()) reverse = False import collections left = collections.deque([]) right = collections.deque([]) for i in range(Q): query = input().split() if query[0] == "1": reverse = (not reverse) continue if query[1] == "1": if reverse: right.append(query[2]) else: left.appendleft(query[2]) elif query[1] == "2": if reverse: left.appendleft(query[2]) else: right.append(query[2]) if reverse: ans = "{}{}{}".format("".join(reversed(right)), "".join(reversed(S)), "".join(reversed(left))) else: ans = "{}{}{}".format("".join(left), S, "".join(right)) print(ans) if '__main__' == __name__: resolve()
#!/usr/bin/env python3 from sys import stdin, stdout def solve(): n = int(stdin.readline().strip()) seqA = [] seqB = [] for i in range(n): a,b = map(int, stdin.readline().split()) seqA.append(a) seqB.append(b) seqA = sorted(seqA) seqB = sorted(seqB) mA = seqA[n//2] mB = seqB[n//2] if n%2==0: mA += seqA[n//2-1] mB += seqB[n//2-1] print(mB-mA+1) solve()
0
null
37,543,108,725,628
204
137
r = int(input()) print(2*r*3.1415926535)
if __name__ == '__main__': from sys import stdin input = stdin.readline from collections import deque, defaultdict from copy import deepcopy INFTY = -1 # 探索しなかったやつを-1としてprintしやすくするために-1とした。 n = int(input()) M = [[0]*n for _ in range(n)] def bfs(s): q = deque() q.append(s) d = [INFTY]*n d[s] = 0 while q: # qが空だとwhileループから抜ける u = q.popleft() # pythonのdequeはpopleft関数で戻り値がpopした要素になる for v in range(n): if M[u][v] == 0: continue if d[v] != INFTY: continue d[v] = d[u] + 1 q.append(v) for i in range(n): print(str(i+1) + ' ' + str(d[i])) for _ in range(n): u, k, *vv = map(int, input().split()) u -= 1 for v in vv: v -= 1 M[u][v] = 1 bfs(0)
0
null
15,779,112,970,390
167
9
n = int(input()) a = list(map(int, input().split())) cnt = [0] * (10 ** 6 + 1) for i in range(n): cnt[a[i]] += 1 a_uniq = [] for i in range(10 ** 6 + 1): if cnt[i] == 1: a_uniq.append(i) cnt = [0] * (10 ** 6 + 1) for i in list(set(a)): for j in range(2 * i, 10 ** 6 + 1, i): cnt[j] = 1 ans = 0 for i in a_uniq: if cnt[i] == 0: ans += 1 print(ans)
def main(): S = input() def an_area(S): ans = 0 stack_in = [] stack_out = [] for i,ch in enumerate(S): if ch == '\\': stack_in.append(i) elif stack_in and ch == '/': j = stack_in.pop() cur = i - j stack_out.append((j,i,cur)) ans += cur return ans,stack_out ans, l = an_area(S) if ans == 0: print(ans) print(len(l)) return l.sort() pre_le, pre_ri = l[0][0], l[0][1] pre_ar = 0 areas = [] for le,ri,ar in l: if pre_le <= ri <= pre_ri: pre_ar += ar else: areas.append(pre_ar) pre_ar = ar pre_le, pre_ri = le, ri else: areas.append(pre_ar) print(ans) print(len(areas),*areas) if __name__ == '__main__': main()
0
null
7,165,101,119,058
129
21
x,n = map(int, input().split()) p = list(map(int, input().split())) l = [i for i in range(102)] for j in p: l.remove(j) m = [] for k in l: m.append(abs(k-x)) print(l[m.index(min(m))])
X, N = list(map(int, input().split())) if N == 0: print(X) exit() P = list(map(int, input().split())) up_min = 0 low_min = 0 arr = [0] * 102 for i in P: arr[i] = 1 lower = arr[:X] lower.reverse() upper = arr[X:] for i, num in enumerate(lower): if num == 0: low_min = len(lower) - 1 - i break for i, num in enumerate(upper): if num == 0: up_min = len(lower) + i break if abs(up_min - X) >= abs(X - low_min): print(low_min) else: print(up_min)
1
14,062,240,109,440
null
128
128
def solve(): import math K = int(input()) ans = 0 for i in range(1, K+1): for j in range(1, K+1): for k in range(1, K+1): ans += math.gcd(math.gcd(i,j), k) print(ans) if __name__ == "__main__": solve()
import sys read = sys.stdin.read readlines = sys.stdin.readlines import numpy as np def main(): k = int(input()) k2 = np.arange(1, k+1) k2gcd = np.gcd.outer(k2, np.gcd.outer(k2, k2)) print(k2gcd.sum()) if __name__ == '__main__': main()
1
35,586,104,313,200
null
174
174
from itertools import combinations if __name__ == '__main__': # ??????????????\??? num1 = int(input()) A = [int(x) for x in input().split(' ')] num2 = int(input()) M = [int(x) for x in input().split(' ')] #A = [1, 5, 7, 10, 21] #pick = 4 #M = [2, 4, 17, 8] # ???????????? results = ['no' for x in range(len(M))] # M?????¨??????????´?????????????????????????????????§????????????????????±???(no)??¨???????????? for p in range(1, len(A)+1): # A????????????1????????¨????????°?????????????????¢???????????? combi = combinations(A, p) # n??????????????¢??????????????´????????¨????????????????????? for choice in combi: total = sum(choice) while total in M: i = M.index(total) results[i] = 'yes' M[i] = 'Done' # ??????????????? for txt in results: print(txt)
#!/usr/bin/env python from __future__ import division, print_function from sys import stdin from itertools import combinations def enum_sum_numbers(sets, s_range, r): for cmb in combinations(sets, r): yield sum(cmb) if r <= s_range: for s in enum_sum_numbers(sets, s_range, r+1): yield s stdin.readline() a = [int(s) for s in stdin.readline().split()] stdin.readline() ms = [int(s) for s in stdin.readline().split()] sets = {s for s in enum_sum_numbers(a, len(a), 1)} for m in ms: print('yes' if m in sets else 'no')
1
100,687,544,672
null
25
25
x=input().split() n=int(x[0]) k=int(x[1]) def fact_inverse(n,p): fact=[1]*(n+1) inv=[1]*(n+1) inv_fact=[1]*(n+1) inv[0]=0 inv_fact[0]=0 for i in range(2,n+1): fact[i]=(fact[i-1]*i)%p #compute the inverse of i mod p inv[i]=(-inv[p%i]*(p//i))%p inv_fact[i]=(inv_fact[i-1]*inv[i])%p return fact,inv_fact def combi2(n,p): f,inv=fact_inverse(n,p) combis=[1]*(n+1) for k in range(1,n+1): if k >=n//2+1: combis[k]=combis[n-k] else: combis[k]=(((f[n]*inv[n-k])%p)*inv[k])%p return combis p=10**9+7 combis1=combi2(n,p) combis2=combi2(n-1,p) s=0 L=min(n,k+1) for i in range(L): s=(s+(combis1[i]*combis2[i])%p)%p print(s)
# --*-coding:utf-8-*-- MOD = 10**9 + 7 def getModInv(a, b): return 1 if (a == 1) else (1-b*getModInv(b%a, a))//a%b N, K = map(int, input().split()) t1, t2 = 1,1 s1, s2 = 1,1 for m in range(1, min(K, N-1)+1): t1 = t1*(N-m)*(N-m+1)%MOD t2 = t2*m**2%MOD s1 = (s1*t2 + s2*t1)%MOD s2 = s2*t2%MOD print(s1*getModInv(s2, MOD)%MOD)
1
66,928,155,220,100
null
215
215
n = int(input()) s = str(input()) a = 0 c = len(s)//2 if n % 2 == 0: for i in range(c): if s[i] == s[c+i]: a += 1 if a == n/2 : print("Yes") else : print("No") else : print("No")
x = list(map(int, input().split())) ans = 0 for i in x: if i == 1: ans += 300000 elif i == 2: ans += 200000 elif i == 3: ans += 100000 if ans == 600000: print(1000000) else: print(ans)
0
null
144,174,338,513,732
279
275
n = int(raw_input()) for i in range(n): num = map(int, raw_input().split()) num.sort(reverse=True) if num[0]**2 == num[1]**2 + num[2]**2: print "YES" else: print "NO"
N = int(input()) for i in range(N): sides = list(map(int, input().split())) longestSide = max(sides) sides.remove(longestSide) if (longestSide ** 2) == (sides[0] ** 2 + sides[1] ** 2): print('YES') else: print('NO')
1
291,092,608
null
4
4
s = input() k = int(input()) import collections co = collections.Counter(list(s)) n = len(s) if len(co.values())==1: print(n*k//2) exit() prev = "" cnt = 0 for i in range(n): if s[i] == prev: cnt+=1 prev="" else: prev=s[i] bf = 0 af = 0 if s[0] == s[-1]: for i in range(n): if s[i] ==s[0]: bf+=1 else:break for i in range(n): if s[-i-1] ==s[-1]: af+=1 else:break cnt = cnt - (bf//2 + af//2) print(cnt*k + (bf+af)//2 *(k-1) +bf//2 + af//2)
s = list(input()) k = int(input()) if len(set(s)) == 1: print((len(s)*k)//2) exit() def n_change(sss): s = sss.copy() x = 0 for i in range(1, len(s)): if s[i] == s[i-1]: s[i] = "X" x += 1 return x print(n_change(s) + (k-1) * (n_change(2*s) - n_change(s)))
1
175,761,719,298,088
null
296
296
N=int(input()) *A,=map(int,input().split()) M=max(A) B=[1]*(M+1) B[0]=B[1]=1 i=2 while i<=M: if B[i]: j=2 while i*j<=M: B[i*j]=0 j+=1 i+=1 C=[0]*(M+1) for a in A: C[a]=1 from math import* now=A[0] for a in A: now=gcd(now,a) if now==1: ans='pairwise coprime' i=2 while i<=M: if B[i]: count=0 j=1 while i*j<=M: count+=C[i*j] j+=1 if count>1: ans='setwise coprime' i+=1 print(ans) else: print('not coprime')
from sys import stdin from collections import defaultdict # from bisect import * # from heapq import * # import math # mod = 10**9+7 N = input() A = list(map(int, input().split())) M = 10**6+1 spf = [i for i in range(M)] for i in range(2, M): if spf[i] == i: for j in range(i+i, M, i): spf[j] = i cnt = defaultdict(int) for a in A: ps = set() while a != 1: ps.add(spf[a]) a = a // spf[a] for p in ps: cnt[p] += 1 if all([x < 2 for x in cnt.values()]): print("pairwise coprime") exit() gcd = lambda x, y : x if y == 0 else gcd(y, x % y) x = A[0] for a in A[1:]: x = gcd(x, a) if x == 1: print("setwise coprime") else: print("not coprime")
1
4,086,149,593,220
null
85
85
a= int(input()) ans_list = [] for i in range(a): ans_list.append(input()) print(len(list(set(ans_list))))
import collections N = int(input()) S = [input() for _ in range(N)] c = collections.Counter(S) print(len(c))
1
30,175,071,608,780
null
165
165
from collections import Counter,defaultdict,deque from heapq import heappop,heappush from bisect import bisect_left,bisect_right import sys,math,itertools,fractions sys.setrecursionlimit(10**8) mod = 10**9+7 INF = float('inf') def inp(): return int(sys.stdin.readline()) def inpl(): return list(map(int, sys.stdin.readline().split())) n = inp() s,t = input().split() print(''.join([s[i] + t[i] for i in range(n)]))
import sys n = int(input()) r0 = int(input()) r1 = int(input()) mx = r1-r0 mn = min(r1,r0) l = map(int,sys.stdin.readlines()) for i in l: if mx < i - mn: mx = i - mn elif mn > i: mn = i print(mx)
0
null
56,092,554,189,532
255
13
from queue import Queue n = int(input()) A = [[0 for i in range(n)] for j in range(n)] d = [-1 for i in range(n)] for i in range(n): u, k, *v = list(map(int, input().split())) for j in v: A[int(u)-1][int(j)-1] = 1 q = Queue() q.put(0) d[0] = 0 while not q.empty(): u = q.get() # print('visited:', u) for v in range(n): # print(u, v) if A[u][v] == 1 and d[v] == -1: q.put(v) d[v] = d[u] + 1 # print('-========') for i in range(n): print(i+1, d[i])
a = input() if a == 'SUN': print(7) elif a == 'MON': print(6) elif a == 'TUE': print(5) elif a == 'WED': print(4) elif a == 'THU': print(3) elif a == 'FRI': print(2) else: print(1)
0
null
66,466,352,202,492
9
270
from bisect import bisect_left,bisect_right TO_ACII = 97 N = int(input()) S = ["0"] + list(input()) Q = int(input()) ABC = [[]for i in range(0,26,1)]#該当文字a:0 b:1 ...z:26 が何文字目に出てきたかを保持する配列 for i in range(1,N+1,1): ABC[ord(S[i])-TO_ACII].append(i) ans = [] for i in range(0,Q,1): q = list(input().split()) if q[0]=="1":#文字変更 changed = S[int(q[1])] ABC[ord(changed)-TO_ACII].pop(bisect_left(ABC[ord(changed)-TO_ACII],int(q[1]))) ABC[ord(q[2])-TO_ACII].insert(bisect_left(ABC[ord(q[2])-TO_ACII],int(q[1])),int(q[1])) S[int(q[1])]=q[2] else: tmpans = 0 for i in range(0,26,1): if bisect_right(ABC[i],int(q[1])-1)<len(ABC[i]) and int(q[2]) >= ABC[i][bisect_right(ABC[i],int(q[1])-1)]: tmpans+=1 ans.append(tmpans) for i in range(0,len(ans),1): print(ans[i])
# test!!!!!!!!!!! from bisect import bisect_left, bisect_right N = int(input()) S = list(input()) Q = int(input()) memo = {chr(ord('a') + i): [] for i in range(26)} for key,val in enumerate(S): memo[val].append(key) for q in range(Q): query = list(input().split()) if query[0] == '1': i, x = int(query[1])-1, query[2] now = S[i] if now == x: continue memo[now].remove(i) next_i = bisect_left(memo[x], i) memo[x].insert(next_i, i) S[i] = x else: start, end = int(query[1])-1, int(query[2])-1 tmp_cout = 0 for alf_array in memo.values(): if len(alf_array) == 0: continue ss = bisect_left(alf_array, start) gg = bisect_right(alf_array, end) if gg- ss > 0: tmp_cout += 1 print(tmp_cout)
1
62,639,895,618,926
null
210
210
N, M = map(int, input().split()) A = list(map(int, input().split())) w = sum(A) ans = N - w if ans >= 0: print(ans) else: print(-1)
import sys N, M = map(int, input().split()) A = list(map(int, input().split())) sum_day = sum(A) ans = N - sum_day if ans < 0: print(-1) else: print(ans)
1
32,016,077,934,340
null
168
168
def modz( x, n): a = x / n return x - a*n if __name__ == "__main__": n = int(raw_input()) s = "" i = 1 while True: # print "i:{0}".format(i) x = i; if modz(x , 3) == 0: s += " " + str(i) else: ex = 0 while True: if modz(x , 10) == 3: s += " " + str(i) ex = 1 break x /= 10 if x == 0: ex = 1 break if (i+1) > n: i += 1 break i += 1 print s
n = int(input()) ans = "" for i in range(1, n + 1): if(i % 3 == 0): ans += " " + str(i) continue x = i while(x): if(x % 10 == 3): ans += " " + str(i) break x //= 10 print(ans)
1
925,051,109,350
null
52
52
import sys S = input() for i in range(1,6): if S == "hi" * i: print("Yes") sys.exit() print("No")
S = input() l = len(S) x = [0]*(l+1) y = [0]*(l+1) for i in range(l): if S[i] == "<": x[i+1] = x[i]+1 for i in range(l): if S[l-i-1] == ">": y[l-i-1] = y[l-i]+1 res = 0 for a, b in zip(x, y): res += max(a, b) print(res)
0
null
104,855,334,506,988
199
285
N = int(input()) ans = N // 1000 if N % 1000 == 0: print(0) else: print(1000*(ans+1) - N)
s = int(input()) print((1000-s%1000)%1000)
1
8,417,685,432,772
null
108
108
S,W=map(int,input().split()) if S>W: print("safe") elif S<W: print("unsafe") elif S==W: print("unsafe")
time = 0 def dfs_visit(g, u): global time time += 1 u[2] = time u[1] = 'g' for v in u[0]: ch = g[v] if ch[1] == 'w': ch[4] = u[5] dfs_visit(g, ch) u[1] = 'b' time += 1 u[3] = time n = int(input()) g = {} s = 0 stack = [] for i in range(n): x = list(map(int, input().split())) g[x[0]] = [x[2:], 'w', 0, 0, None, x[0]] if i == 0: s = x[0] for k, v in g.items(): if v[1] == 'w': dfs_visit(g, v) for i in range(n): node = g[i+1] print("{} {} {}".format(i+1, node[2], node[3]))
0
null
14,613,920,004,930
163
8
a, b = map(int,input().split()) while a != 0: for i in range(a): print('#'*b) print() a, b = map(int,input().split())
array = [] while True: n = input() if n == "0 0": break array.append(n.split()) for i in range(len(array)): for i2 in range(int(array[i][0])): for i3 in range(int(array[i][1])): if i3 == int(array[i][1])-1: print("#") else: print("#",end="") print("")
1
778,039,314,400
null
49
49
from collections import deque # BFSはこいつを使え! def dfs(n): adj = 'abcdefghij' stack = deque(['a']) while stack: # node = stack.pop(0) # pop(0)がO(n)かかっているのでとても遅い! node = stack.popleft() if len(node) == n: print(node) else: for child in adj[:len(set(node))+1]: stack.append(node+child) return -1 # 再帰での実装 # def dfs(s,n,adj): # if len(s) == n: # print(s) # else: # for child in adj[:len(set(s))+1]: # dfs(s+child,n,adj) # return -1 def main(): import sys def input(): return sys.stdin.readline().rstrip() n = int(input()) # adj = 'abcdefghij' # dfs('a',n,adj) dfs(n) if __name__ == '__main__': main()
n, k = map(int, input().split()) MOD = 1000000007 ans = 0 c = {} for i in range(k, 0, -1): t = pow(k // i, n, MOD) m = 2 while i * m <= k: t -= c[i * m] m += 1 c[i] = t % MOD print(sum([k * v for k, v in c.items()]) % MOD)
0
null
44,800,371,979,678
198
176
N = list(map(int,input().split())) print(N[0]*N[1])
import sys sys.setrecursionlimit(4100000) import math INF = 10**9 def main(): n = int(input()) S = input() if n%2 == 0: if S[:n//2] == S[n//2:]: print('Yes') return print('No') if __name__ == '__main__': main()
0
null
81,095,931,425,278
133
279
def main(): from functools import lru_cache import sys input=sys.stdin.readline sys.setrecursionlimit(100000000) n,u,v=map(int,input().split()) u-=1 v-=1 tree=[[] for i in range(n)] for i in range(n-1): a,b=map(int,input().split()) a-=1 b-=1 tree[a].append(b) tree[b].append(a) depth=[0]*n depth[v]=0 def dfs(i,before=-1): for e in tree[i]: if e!=before: depth[e]=depth[i]+1 dfs(e,i) dfs(v) #print(depth) max_depth=[-1]*n max_depth[v]=0 @lru_cache(maxsize=None) def dfs2(i,before=-1): t=-1 for e in tree[i]: if e!=before: t=max(t,dfs2(e,i)) if t!=-1: max_depth[i]=t return max_depth[i] else: max_depth[i]=depth[i] return max_depth[i] dfs2(v) #print(max_depth) lim=depth[u] i,key=u,u while i!=v: if 2*depth[i]>lim and max_depth[key] < max_depth[i]: key=i for e in tree[i]: if depth[e]<depth[i]: i=e break print(max_depth[key]-1) if __name__=='__main__': main()
# import bisect # import heapq # from copy import deepcopy # from collections import deque # from collections import Counter # from itertools import accumulate # from itertools import permutations # import numpy as np import math # mod = 10**9 + 7 # n = int(input()) # a = list(map(int, input().split())) # n = int(input())z a,b = map(int,input().split()) print(a-2*b if a-2*b>=0 else 0)
0
null
141,924,260,628,230
259
291
N=int(input()) ans=0 if ~N%2: for i in range(1,30): ans+=N//(10*5**i) ans+=N//10 print(ans)
N=int(input()) if N%2: print(0) else: ans=0 tmp=10 while tmp<=N: ans+=N//tmp tmp*=5 print(ans)
1
115,943,709,162,280
null
258
258
import sys stdin = sys.stdin ni = lambda: int(ns()) na = lambda: list(map(int, stdin.readline().split())) nn = lambda: list(stdin.readline().split()) ns = lambda: stdin.readline().rstrip() n,r = na() print(r+max(0,100*(10-n)))
def main(): n, r = map(int, input().split()) inner = 0 if n >= 10: inner = r else: inner = r + 100*(10-n) print(inner) main()
1
63,667,948,851,250
null
211
211
import math gun_list = [1] for i in range(11): gun_list.append(gun_list[-1]+26**(i+1)) #print(gun_list) #郡の始まりのnumをしまったリスト a =int(input()) #print() gun_sum = 12 for i in range(13): if gun_list[i] <= a and gun_list[i+1] > a: gun_num = i break #print(gun_num) b = a-gun_list[gun_num] #print(b) x_list = [26**i for i in range(gun_num+1)] x_list = x_list[::-1] #print(x_list) ans_list = [] for i in range(len(x_list)): if i > 0: b -= x_list[i-1]*ans_list[i-1] ans_list.append(math.floor(b/x_list[i])) else: ans_list.append(math.floor(b/x_list[0])) #print(ans_list) ans = '' for i in range(len(ans_list)): ans += chr(97+ans_list[i]) #print(ans) print(ans)
n = int(input()) ans = set() for _ in range(n): ans.add(input()) print(len(ans))
0
null
21,224,499,410,310
121
165
#!/usr/bin/env python3 #xy = [map(int, input().split()) for _ in range(5)] #x, y = zip(*xy) def main(): nd = list(map(int, input().split())) ans = 0 for i in range(nd[0]): xy = list(map(int, input().split())) if xy[0] * xy[0] + xy[1] * xy[1] <= nd[1] * nd[1]: ans += 1 print(ans) if __name__ == '__main__': main()
N,D = map(int, input().split()) XY_s = [list(map(int,input().split())) for _ in range(N)] D**=2 answer = 0 for i in range(N): if D >= XY_s[i][0]**2 + XY_s[i][1]**2: answer+=1 print(answer)
1
5,991,911,333,248
null
96
96
N, K = map(int, input().split()) d = [] A = [[] for i in range(K)] for i in range(K): d.append(int(input())) A[i] = list(map(int, input().split())) hold = set() for i in range(len(A)): hold = hold | set(A[i]) print(N - len(hold))
#!/usr/bin/env python3 # coding: utf-8 import collections import math def debug(arg): if __debug__: pass else: import sys print(arg, file=sys.stderr) def main(): pass N, *A = map(int, open(0).read().split()) a = dict(enumerate(A, 1)) dp = collections.defaultdict(lambda: -float("inf")) dp[0, 0] = 0 dp[1, 0] = 0 dp[1, 1] = a[1] for i in range(2, N + 1): jj = range(max(math.floor(i // 2 - 1), 1), math.ceil((i + 1) // 2) + 1) for j in jj: x = dp[i - 2, j - 1] + a[i] y = dp[i - 1, j] dp[i, j] = max(x, y) print(dp[N, N // 2]) if __name__ == "__main__": main()
0
null
30,987,651,646,500
154
177
import math def main(): a,b,c = map(int,input().split()) left = 4*a*b right = (c-a-b)**2 if (c-a-b)<0: return 'No' if left < right: return 'Yes' else: return 'No' print(main())
T1,T2=map(int,input().split()) a,b=map(int,input().split()) c,d=map(int,input().split()) e=T1*a f=T1*c if e>f: g=e-f e=T2*b f=T2*d if e>f: print(0) else: h=f-e if g==h: print("infinity") elif g>h: print(0) else: k=h-g if k>g: print(1) elif (g/k)%1!=0: print(1+(g//k)*2) else: print((g//k)*2) elif e<f: g=f-e e=T2*b f=T2*d if e<f: print(0) else: h=e-f if g==h: print("infinity") elif g>h: print(0) else: k=h-g if k>g: print(1) elif (g/k)%1!=0: print(1+(g//k)*2) else: print((g//k)*2)
0
null
91,984,373,956,242
197
269
import math k = int(input()) ab = [] ans = 0 for a in range(1,k+1): for b in range(1,k+1): if a % b == 0: ab.append(b) elif b % a == 0: ab.append(a) else: ab.append(math.gcd(a, b)) for i in ab: for c in range(1,k+1): if i % c == 0: ans += c elif c % i == 0: ans += i else: ans += math.gcd(i, c) print(ans)
n, k = map(int, input().split()) s = [] mod = 998244353 for i in range(k): l, r = map(int, input().split()) s.append([l, r]) dp = [0 for _ in range(n+1)] dp[1] = 1 dpsum = [0 for _ in range(n+1)] dpsum[1] = 1 for i in range(2,n+1): for l, r in s: li = max(i-r,1) ri = max(i-l,0) dp[i] += (dpsum[ri] - dpsum[li-1])%mod dpsum[i] = (dpsum[i-1] + dp[i])%mod print(dp[n]%mod)
0
null
19,159,906,565,120
174
74
def gcd(a, b): for i in range(min(a, b), 0, -1): if a%i == 0 and b%i == 0: return i A, B = map(int, input().split()) print((A*B) // gcd(A, B))
import numpy as np a, b, x = map(int, input().split()) ans = 0 if (a*a*b/2) <= x: ans = np.rad2deg(np.arctan((2*(a*a*b-x))/(a*a*a))) else: ans = np.rad2deg(np.arctan((a*b*b)/(2*x))) print('{:.10f}'.format(ans))
0
null
138,132,374,138,952
256
289
from sys import stdin import sys, math n,m,x = [int(x) for x in stdin.readline().rstrip().split()] c = [] for i in range(n): c.append([int(x) for x in stdin.readline().rstrip().split()]) money = [] for i in range(2**n): b = bin(i) d = [0 for i in range(m + 1)] for j in range(n): if b[-1] == "1": d = [p+q for (p,q) in zip(d,c[j])] b = str(bin(int(b, 2) // 2)) if min(d[1:]) >= x: money.append(d[0]) if len(money) == 0: print(-1) else: print(min(money))
n, m, x = map(int, input().split()) books = [list(map(int, input().split())) for _ in range(n)] INF = 10 ** 9 + 7 ans = INF for bits in range(2 ** n): cost = 0 score = [0] * m for i, book in enumerate(books): if bits >> i & 1: cost += book[0] score = [s + b for s, b in zip(score, book[1:])] if all(s >= x for s in score): ans = min(ans, cost) if ans == INF: print(-1) else: print(ans)
1
22,138,878,770,446
null
149
149
_ = input() l = reversed(input().split()) print(' '.join(l))
#!/usr/bin/env python3 n = int(input()) n /= 3 print(n**3)
0
null
24,182,710,241,630
53
191
import math a,b,x = map(int,input().split()) if x <= a*a*b/2: print(math.atan((a*b*b/2/x))*180/math.pi) else: print(math.atan((a*a*b-x)/(a**3)*2)*180/math.pi)
import sys import bisect import itertools import collections import fractions import heapq import math from operator import mul from functools import reduce from functools import lru_cache def solve(): readline = sys.stdin.buffer.readline mod = 10 ** 9 + 7 a, b, x = map(int, readline().split()) if a*a*b/2 < x: tan = 2 * b / a - 2 * x / (a ** 3) ans = math.degrees(math.atan(tan)) print(ans) else: tan = a * b * b / x / 2 ans = math.degrees(math.atan(tan)) print(ans) if __name__ == '__main__': solve()
1
162,917,616,430,460
null
289
289
def black_jack(): # 入力 A1, A2, A3 = map(int, input().split()) # 初期処理 sum = A1 + A2 + A3 # 判別処理 if sum >= 22: return 'bust' elif sum <= 21: return 'win' result = black_jack() print(result)
def main(): n = input() A = [] for i in xrange(n): A.append(map(int,raw_input().split())) c,d = bfs(n,A) for i in xrange(n): if c[i] == -1: print i+1, -1 else: print i+1, d[i] def bfs(n,A): color = [-1]*n d = [-1]*n Q = [] d[0] = 0 Q.append(0) while(True): if len(Q)==0: break u = Q.pop(0) for i in A[u][2:]: if color[i-1] == -1: color[i-1] = 0 d[i-1] = d[u]+1 Q.append(i-1) color[u] = 1 return color, d if __name__ == '__main__': main()
0
null
59,284,466,042,740
260
9
K = int(input()) for i in range(0, K): print("ACL", end="")
n = int(input()) s_l = [ input() for _ in range(n) ] d = {} for s in s_l: try: d[s] += 1 except: d[s] = 1 max_c = max([ v for _,v in d.items() ]) ans = [ i for i, v in d.items() if v == max_c ] for i in sorted(ans): print(i)
0
null
35,927,232,267,460
69
218
from sys import stdin nii=lambda:map(int,stdin.readline().split()) lnii=lambda:list(map(int,stdin.readline().split())) from collections import deque n,u,v=nii() u-=1 v-=1 tree=[[] for i in range(n)] for i in range(n-1): a,b=nii() a-=1 b-=1 tree[a].append(b) tree[b].append(a) def BFS(s): dist=[-1 for i in range(n)] dist[s]=0 que=deque() que.append(s) while que: x=que.popleft() for i in tree[x]: if dist[i]==-1: que.append(i) dist[i]=dist[x]+1 return dist dist_t=BFS(u) dist_a=BFS(v) ans=0 for i in range(n): if dist_a[i]>dist_t[i]: ans=max(ans,dist_a[i]-1) print(ans)
S = int(input()) a = (S // 2) + (S % 2) print(int(a))
0
null
88,288,684,202,110
259
206
n = int(input()) a = list(map(int,input().split(" "))) answer = 0 for i in range(1,n): if a[i] < a[i - 1]: answer += a[i-1] - a[i] a[i]= a[i - 1] print(answer)
number = int(input()) tall = list(map(int, input().split())) addition = 0 for each in range(1, number): difference = tall[each - 1] - tall[each] if difference >= 0: addition += difference tall[each] += difference print(addition)
1
4,521,507,110,548
null
88
88
# coding: UTF-8 n,m,l = map(int,raw_input().split(" ")) a_matrix = [map(int,raw_input().split()) for i in range(n)] b_matrix = [map(int,raw_input().split()) for i in range(m)] tmp3_matrix = [] c_matrix = [] for i in range(n): tmp2_matrix = [] for j in range(l): sum = 0 for k in range(m): sum += a_matrix[i][k] * b_matrix[k][j] tmp2_matrix.append(sum) tmp3_matrix.extend([tmp2_matrix]) c_matrix.extend(tmp3_matrix) for x in range(n): print " ".join(map(str,c_matrix[x]))
N, X, T = map(int, input().split()) if N % X == 0: print(int(N / X) * T) else: print(int(N / X + 1) * T)
0
null
2,830,323,786,780
60
86
import math a,b,c=map(float,input().split()) if c<90: e=c*math.pi/180 S=a*b*1/2*math.sin(e) t=a**2+b**2-2*a*b*math.cos(e) r=math.sqrt(t) L=a+b+r h=b*math.sin(e) print(S) print(L) print(h) if c==90: e=c*math.pi/180 S=a*b*1/2*math.sin(e) t=a**2+b**2-2*a*b*math.cos(e) r=math.sqrt(t) L=a+b+r h=b print(S) print(L) print(h) if c>90: e=c*math.pi/180 d=180*math.pi/180 f=d-e S=a*b*1/2*math.sin(e) t=a**2+b**2-2*a*b*math.cos(e) r=math.sqrt(t) L=a+b+r h=b*math.sin(f) print(S) print(L) print(h)
#coding = utf-8 import math a, b, c = map(float, raw_input().split()) h = b * math.sin(math.pi*c/180) s = a * h / 2 x = math.sqrt(h**2 + (a-b*math.sin(math.pi*(90-c)/180))**2) l = a + b + x #print "%.8f, %.8f, %.8f" % (s, l, h) print "\n".join([str(s), str(l), str(h)]) #print "%.1f, %.1f, %.1f" % (s, l, h)
1
174,521,184,278
null
30
30
N=int(input()) A=[int(i) for i in input().split()] S=set(A) ans=1 for i in A: ans*=i if ans>10**18: ans=-1 break if 0 in S: ans=0 print(ans)
import copy from collections import deque n, m, q = list(map(int, input().split())) abcd = [] for _ in range(q): abcd.append(list(map(int, input().split()))) ans = 0 def dfs(A, low, high, n): global ans if len(A) >= n: result = 0 for a,b,c,d in abcd: if A[b-1]-A[a-1] == c: result += d ans = max(ans, result) return for i in range(low, high+1): A.append(i) dfs(A, i, high, n) A.pop() dfs([], 1, m, n) print(ans)
0
null
21,741,547,389,302
134
160
import math n = int(raw_input()) def isPrime(a): if a==2 or a==3: return 1 if a<2 or a%2==0: return 0 i = int(math.sqrt(a))+1 for x in xrange(3,i): if a%x==0: return 0 return 1 cnt = 0 for _ in xrange(n): a = int(raw_input()) cnt += isPrime(a) print cnt
def is_prime(num): i = 2 while i * i <= num: if num % i == 0: return False i += 1 return True N = int(input()) num_list = [int(input()) for _ in range(N)] print(sum(is_prime(num) for num in num_list))
1
9,776,189,826
null
12
12
n,r = input().split() if int(n) >= 10: print(r) else: k = (-int(r) - 100 * (10 - int(n) )) * -1 print(k)
#!/usr/bin python3 # -*- coding: utf-8 -*- from collections import deque def main(): N = int(input()) Node = [set() for _ in range(N)] Edge = {} for i in range(N-1): a , b = map(int, input().split()) a-=1 b-=1 if b<a: a, b = b, a Edge[(a, b)]=i Node[a].add(b) Node[b].add(a) K = 0 for i, x in enumerate(Node): if len(x)>K: K = len(x) top = i q = deque() seen = [False]*(N-1) used = [set() for _ in range(N)] q.append(top) while len(q)>0: cur = q.popleft() col = 1 for i in Node[cur]: if cur>i: ed = (i, cur) else: ed = (cur, i) if seen[Edge[ed]]==False: while col in used[cur] or col in used[i]: col+=1 seen[Edge[ed]] = col used[cur].add(col) used[i].add(col) q.append(i) print(K) print('\n'.join(map(str, seen))) if __name__ == '__main__': main()
0
null
99,429,050,054,520
211
272
a = input()[::-1] add = 0 ans = [1] + [0] * 2018 ans_int = 0 d = 1 for i in range(len(a)): add = (add + int(a[i]) * d) % 2019 d = (10 * d) %2019 ans[add] += 1 for i in range(len(ans)): a =((ans[i] - 1) * ans[i]) /2 ans_int += a print(int(ans_int))
d,t,s= map(int,input().split(" ")) print("Yes" if t>=d*1.0/s else "No")
0
null
17,190,593,167,526
166
81
from decimal import Decimal a, b = map(float, input().split()) a = Decimal(str(a)) b = Decimal(str(b)) print(int(a * b))
MOD = 10**9 + 7 S = int(input()) dp = [0] * (S+1) dp[0] = 1 for i in range(1, S+1): for j in range(0, (i-3)+1): dp[i] += dp[j] dp[i] %= MOD print(dp[S])
0
null
9,562,075,098,670
133
79
from collections import defaultdict n = int(input()) a = list(map(int, input().split())) memo = defaultdict(int) ans = 0 for i, x in enumerate(a, 1): ans += memo[i - x] memo[x + i] += 1 print(ans)
N = int(input()) clips = [input().split() for _ in range(N)] X = input() FLG = 0 ans = 0 for title,time in clips: if FLG: ans += int(time) if title == X: FLG = 1 print(ans)
0
null
61,424,658,807,556
157
243
import math def main(): n, x, t = map(int, input().split()) print(math.ceil(n / x) * t) if __name__ == '__main__': main()
l = list(map(int, input().split())) n = l[0] # no of things he has to make x = l[1] # no of things he can make at a time t = l[2] # time taken for each set to be made = t # 20 12 6 = 12 count = 0 while n > 0: n -= x count += t print(count)
1
4,269,500,408,928
null
86
86
a, b = map(int, input().split()) print(a == b and "Yes" or "No")
n,m=input().split() if n==m: print("Yes") else: print("No")
1
83,275,202,660,320
null
231
231
from collections import deque s = deque(input()) q = int(input()) flag = 0 for _ in range(q): query = list(map(str, input().split())) if query[0] == "1": flag = 1 - flag else: if query[1] == "1": if flag == 0: s.appendleft(query[2]) else: s.append(query[2]) else: if flag == 0: s.append(query[2]) else: s.appendleft(query[2]) if flag == 1: s.reverse() print(*s, sep="")
S = input() Q= int(input()) r = False h = [] t = [] for i in range(Q): Query = input().split() if int(Query[0]) == 1: r = not r else: if int(Query[1]) == 1 and not r or int(Query[1]) == 2 and r: h.append(Query[2]) else: t.append(Query[2]) if not r: print(''.join(reversed(h))+S+''.join(t)) else: print(''.join(reversed(t))+S[::-1]+''.join(h))
1
57,282,768,967,400
null
204
204
from itertools import combinations n=int(input()) D=list(map(int,input().split())) ans=0 for a,b in combinations(range(n),2): ans+=D[a]*D[b] print(ans)
import sys # input = sys.stdin.readline def main(): N = int(input()) d = list(map(int,input().split())) ans = 0 for i in range(N): for j in range(N): if i !=j: ans += d[i]*d[j] print(int(ans/2)) if __name__ == "__main__": main()
1
168,107,715,587,172
null
292
292
N=int(input()) S=input() while True: x='' ans='' for i in S: if (x==''): x=i continue if x!=i: #print("p:",x,i,ans) ans+=x x=i #print("a:",x,i,ans) ans+=x #print('ans:',ans) if ans==S: break else: S=ans print(len(ans))
n=int(input()) s=input() ans=0 for i in range(n-1): if s[i]!=s[i+1]: ans+=1 ans+=1 print(ans)
1
170,212,198,206,572
null
293
293
#ALDS1_3-C Elementary data structures - Doubly Linked List import collections q = collections.deque() cmds={"insert":lambda cmd: q.appendleft(cmd[1]), "delete":lambda cmd: q.remove(cmd[1]) if (q.count(cmd[1]) > 0) else "none", "deleteFirst":lambda cmd: q.popleft(), "deleteLast": lambda cmd: q.pop() } n=int(input()) for i in range(n): cmd=input().split() cmds[cmd[0]](cmd) print(*q)
from collections import deque n = int(input()) l = deque() for _ in range(n): command = input().split() if command[0] == "insert": l.appendleft(command[1]) elif command[0] == "delete": try: ind = l.remove(command[1]) except ValueError: pass elif command[0] == "deleteFirst": l.popleft() elif command[0] == "deleteLast": l.pop() print (" ".join(l))
1
51,714,606,332
null
20
20
import sys s = sys.stdin.readline().rstrip() k = int(sys.stdin.readline()) cnt = 0 i = 0 l = len(s) if len(set(s)) == 1: print(int(l*k/2)) exit() while i < l-1: if s[i] == s[i+1]: cnt += 1 i += 2 continue i += 1 cnt1 = 0 i1 = 0 s *= 2 while i1 < l*2-1: if s[i1] == s[i1+1]: cnt1 += 1 i1 += 2 continue i1 += 1 print((cnt1 - cnt)*(k-1) + cnt)
S=input() K=int(input()) N=len(S) ans=None if len(set(S))==1: ans=N*K//2 else: li=[] i=0 while(i<N): j=i c=S[i] cnt=0 while(j<N and c==S[j]): cnt+=1 j+=1 li.append((c,cnt)) i=j res=0 if li[0][0]!=li[-1][0]: for x,y in li: res+=y//2 ans=res*K else: for i in range(1,len(li)-1): res+=li[i][1]//2 ans=res*K+li[0][1]//2+li[-1][1]//2+(li[0][1]+li[-1][1])//2*(K-1) print(ans)
1
176,218,488,423,968
null
296
296
n = int(input()) cnt_ac = 0 cnt_wa = 0 cnt_tle = 0 cnt_re = 0 for i in range(n): s = input() if s == 'AC': cnt_ac += 1 elif s == 'WA': cnt_wa += 1 elif s == 'TLE': cnt_tle += 1 elif s == "RE": cnt_re += 1 print('AC x ', cnt_ac) print('WA x ', cnt_wa) print('TLE x ', cnt_tle) print('RE x ', cnt_re)
n=int(input()) S=[] for i in range(n): S.append(input()) print('AC', 'x', S.count('AC')) print('WA', 'x', S.count('WA')) print('TLE', 'x', S.count('TLE')) print('RE', 'x', S.count('RE'))
1
8,639,223,475,808
null
109
109
a,b,c = sorted(map(int,raw_input().split())) print a,b,c
list = [int(a) for a in input().split()] list.sort() print(*list)
1
431,677,613,610
null
40
40
k = int(input()) a = [0] * (10**6+1) a[1] = 7 % k for i in range(2, k+1): a[i] = (a[i-1]*10+7) % k for i in range(1, k+1): if a[i] == 0: print(i) break else: print(-1)
import sys k = int(input()) a = dict() cnt = 0 base = 0 while True: cnt += 1 base = (base*10+7)%k if base == 0: break if base in a: cnt = -1 break else: a[base] = 1 print(cnt)
1
6,117,648,704,288
null
97
97
m1,d1 = map(int,input().split()) m2,d2 = map(int,input().split()) if m1 in [1,3,5,7,8,10,12] and d1==31: print(1) elif m1 in [4,6,9,11] and d1==30: print(1) elif m1==2 and d1 in [28,29]: print(1) else: print(0)
m,d=map(int,input().split()) n,e=map(int,input().split()) print(1 if m!=n else 0)
1
124,320,632,520,868
null
264
264
#!/usr/bin/env python3 import sys import numpy as np input = sys.stdin.readline def ST(): return input().rstrip() def I(): return int(input()) def MI(): return map(int, input().split()) def LI(): return list(MI()) S = ST() cnt = np.zeros(2019) cnt[0] = 1 res = 0 tmp = 1 for s in S[::-1]: res += int(s) * tmp res %= 2019 cnt[res] += 1 tmp *= 10 tmp %= 2019 ans = 0 for c in cnt[cnt >= 2]: ans += c * (c - 1) // 2 print(int(ans))
N=int(input()) s=input() ans=s.count('ABC') print(ans)
0
null
65,191,724,379,572
166
245
n=int(input()) a=[int(x) for x in input().rstrip().split()] now=1 mod=10**9+7 def lcm(a,b):#最小公倍数 ori_a=a ori_b=b while b!=0: a,b=b,a%b return (ori_a*ori_b)//a for i in a: now=lcm(i,now) # print(now) print(sum([now//i for i in a])%mod)
MOD = 10**9 + 7 class modint(): def __init__(self, value): self.value = value % MOD def __int__(self): return int(self.value) def __float__(self): return float(self.value) def __str__(self): return str(self.value) def __repr__(self): return str(self.value) def __add__(self, other): return (modint(self.value + other.value) if isinstance(other, modint) else modint(self.value + other)) def __sub__(self, other): return (modint(self.value - other.value) if isinstance(other, modint) else modint(self.value - other)) def __mul__(self, other): return (modint(self.value * other.value) if isinstance(other, modint) else modint(self.value * other)) def __truediv__(self, other): return (modint(self.value * pow(other.value, MOD - 2, MOD)) if isinstance(other, modint) else modint(self.value * pow(other, MOD - 2, MOD))) def __pow__(self, other): return (modint(pow(self.value, other.value, MOD)) if isinstance(other, modint) else modint(pow(self.value, other, MOD))) def __eq__(self, other): return (self.value == other.value if isinstance(other, modint) else self.value == (other % MOD)) def __ne__(self, other): return (self.value == other.value if isinstance(other, modint) else self.value == (other % MOD)) def __radd__(self, other): return (modint(other.value + self.value) if isinstance(other, modint) else modint(other + self.value)) def __rsub__(self, other): return (modint(other.value - self.value) if isinstance(other, modint) else modint(other - self.value)) def __rmul__(self, other): return (modint(other.value * self.value) if isinstance(other, modint) else modint(other * self.value)) def __rtruediv__(self, other): return (modint(other.value * pow(self.value, MOD - 2, MOD)) if isinstance(other, modint) else modint(other * pow(self.value, MOD - 2, MOD))) def __rpow__(self, other): return (modint(pow(other.value, self.value, MOD)) if isinstance(other, modint) else modint(pow(other, self.value, MOD))) def modinv(self): return modint(pow(self.value, MOD - 2, MOD)) def main(): import sys input = sys.stdin.buffer.readline N = int(input()) A = [int(i) for i in input().split()] def gcd(x, y): if y == 0: return x while y != 0: x, y = y, x % y return x def lcm(x, y): return x*y//gcd(x, y) num = 1 for a in A: num = lcm(num, a) n = modint(num) ans = 0 for i, a in enumerate(A): ans += n/a print(ans) if __name__ == '__main__': main()
1
87,772,384,920,668
null
235
235
import math N= int(input()) ans = math.ceil(N/2)-1 print(ans)
print((int(input())-1)>>1)
1
152,746,988,589,120
null
283
283
#import numpy as np import sys, math from itertools import permutations, combinations from collections import defaultdict, Counter, deque from math import factorial#, gcd from bisect import bisect_left #bisect_left(list, value) sys.setrecursionlimit(10**7) enu = enumerate MOD = 10**9+7 def input(): return sys.stdin.readline()[:-1] pl = lambda x: print(*x, sep='\n') N, K = map(int, input().split()) d = [0]*(K+1) for i in range(1, K+1): val = K//i d[i] = pow(val, N, MOD) # print(d) for i in range(K, 0, -1): # print('i', i) for j in range(K//i, 1, -1): # print(' j', j) # print(i, i*j) d[i] -= d[i*j] # print(d) res = 0 for i, v in enu(d): res += i*v res %= MOD print(res)
N, K = list(map(int, input().split())) mod = 10**9+7 ans = [0]*(K+1) s = 0 for i in range(K, 0, -1): ans[i] = pow(K//i, N, mod) for j in range(2*i, K+1, i): ans[i] -= ans[j] s += ans[i]*i%mod print(s%mod)
1
36,617,947,518,402
null
176
176
n,k = map(int,input().split()) a = list(map(int,input().split())) l=0 r=10**9 def check(x): now = 0 for i in range(n): now += (a[i] - 1 )// x return now <= k while r-l > 1: x = (l+r) //2 if check(x): r = x else: l = x print(r)
import sys, math from functools import lru_cache import numpy as np import heapq from collections import defaultdict sys.setrecursionlimit(10**9) MOD = 10**9+7 def input(): return sys.stdin.readline()[:-1] def mi(): return map(int, input().split()) def ii(): return int(input()) def i2(n): tmp = [list(mi()) for i in range(n)] return [list(i) for i in zip(*tmp)] def sieve(n): res = [i for i in range(n)] i = 2 while i*i < n: if res[i] < i: i += 1 continue j = i*i while j < n: if res[j] == j: res[j] = i j += i i += 1 return res def factor(n, min_factor): res = set() while n > 1: res.add(min_factor[n]) n //= min_factor[n] return res def main(): N = ii() A = np.array(list(mi())) m = max(A) s = sieve(m+1) d = defaultdict(bool) g = np.gcd.reduce(A) if g > 1: print('not coprime') return for a in A: f = factor(a, s) for v in f: if d[v]: print('setwise coprime') return d[v] = True print('pairwise coprime') if __name__ == '__main__': main()
0
null
5,324,647,815,718
99
85
class Dice: def __init__(self, top, front, right, left, back, bottom): self.TOP = top self.BOTTOM = bottom self.FRONT = front self.BACK = back self.LEFT = left self.RIGHT = right def move(self, direction): if direction == "N": self.move_N() elif direction == "E": self.move_E() elif direction == "S": self.move_S() elif direction == "W": self.move_W() elif direction == "SIDE": self.move_SIDE() else: raise Exception def move_N(self): tmp = self.TOP self.TOP = self.FRONT self.FRONT = self.BOTTOM self.BOTTOM = self.BACK self.BACK = tmp def move_S(self): tmp = self.TOP self.TOP = self.BACK self.BACK = self.BOTTOM self.BOTTOM = self.FRONT self.FRONT = tmp def move_W(self): tmp = self.TOP self.TOP = self.RIGHT self.RIGHT = self.BOTTOM self.BOTTOM = self.LEFT self.LEFT = tmp def move_E(self): tmp = self.TOP self.TOP = self.LEFT self.LEFT = self.BOTTOM self.BOTTOM = self.RIGHT self.RIGHT = tmp def move_SIDE(self): tmp = self.FRONT self.FRONT = self.RIGHT self.RIGHT = self.BACK self.BACK = self.LEFT self.LEFT = tmp def get_right(t, f): dice = Dice(top, front, right, left, back, bottom) has_top = False for _ in range(4): dice.move("N") if dice.TOP == t: has_top = True break if not has_top: for _ in range(4): dice.move("E") if dice.TOP == t: has_top = True break for _ in range(4): dice.move("SIDE") if dice.FRONT == f: return dice.RIGHT top, front, right, left, back, bottom = map(int,input().split()) dice = Dice(top, front, right, left, back, bottom) n = int(input()) for _ in range(n): t, f = map(int, input().split()) l = None if top == t and front == f: r = right else: r = get_right(t, f) print(r)
def memolize(f): cache = {} def helper(x): if x not in cache: cache[x] = f(x) return cache[x] return helper @memolize def fib(n): if n == 0: return 1 elif n == 1: return 1 return fib(n - 1) + fib(n - 2) n = int(input()) print(fib(n))
0
null
132,281,718,460
34
7
import sys import math def gcd(x,y): if(x%y==0): return y else: return(gcd(y,x%y)) try: while True: a,b= map(int, input().split()) max1=gcd(a,b) min1=(a*b)//gcd(a,b) print(str(max1)+' '+str(min1)) except EOFError: pass
n = int(input()) low = [0]*n high = [0]*n for i in range(n): a, b = [int(x) for x in input().split(" ")] low[i] = a high[i] = b low.sort() high.sort() if n%2 == 1: print(high[n//2]-low[n//2]+1) else: x = (low[(n-1)//2] + low[n//2])/2 y = (high[(n-1)//2] + high[n//2])/2 print(int(2*y - 2*x + 1))
0
null
8,594,012,151,452
5
137
import sys # \n def input(): return sys.stdin.readline().rstrip() def main(): N, K = map(int, input().split()) A = list(map(int, input().split())) F = list(map(int, input().split())) A.sort(reverse=True) # 0(NlogN) F.sort() # O(NlogN) def train(X, Y, T): # O(N) ans: 回数 ans = 0 for i in range(len(X)): ans += max(0, X[i] - T // Y[i]) return ans ok = 10**18+1 #時間 ng = -1 while ok - ng > 1: mid = (ok + ng) // 2 #時間 ans = train(A,F,mid) #kaisuu if ans >K: ng =mid else: ok =mid print(ok) if __name__ == "__main__": main()
N,K=map(int,input().split()) A=list(map(int,input().split())) F=list(map(int,input().split())) A.sort() F.sort(reverse=True) l=-1 r=10**13 while r-l!=1: m=(l+r)//2 x=0 for i in range(N): x+=max(0,A[i]-m//F[i]) if x<=K: r=m else: l=m print(r)
1
165,205,461,894,300
null
290
290
data = [] for i in range(10): data.append(int(raw_input())) data.sort(reverse = True) print data[0] print data[1] print data[2]
import itertools n = int(input()) l = list(map(int, input().split())) p_list = list(itertools.permutations(l, 3)) results = [x for x in p_list if max(x) < (sum(x) - max(x)) and len(x) == len(set(x))] print(int(len(results) / 6))
0
null
2,563,482,338,232
2
91
#import sys #import numpy as np import math #from fractions import Fraction import itertools from collections import deque from collections import Counter import heapq #from fractions import gcd #input=sys.stdin.readline import bisect n,m,k=map(int,input().split()) a=list(map(int,input().split())) b=list(map(int,input().split())) ar=[0]*(n+1) br=[0]*(m+1) ans=0 for i in range(n): ar[i+1]=ar[i]+a[i] for i in range(m): br[i+1]=br[i]+b[i] for i in range(m+1): sup=k-br[i] if sup<0: break res=bisect.bisect_right(ar,sup)+i-1 ans=max(res,ans) print(ans)
N=list(map(int,input().split())) temp = sum(N) if temp%9 == 0:print("Yes") else:print("No")
0
null
7,548,077,322,930
117
87
n, k = map(int, input().split()) lists = [] for _ in range(k): d = int(input()) having = list(map(int, input().split())) for i in having: lists.append(i) sets = set(lists) ans = n - len(sets) print(ans)
n = input() n = n.split() k = int(n[1]) n = int(n[0]) c = [0] for f in range(n-1): c.append(0) for b in range(k): d = int(input()) a = input() a = a.split() for e in range(d): c[int(a[e])-1] = 1 h = 0 for g in range(n): if c[g] == 0: h = h + 1 print(h)
1
24,612,903,499,900
null
154
154
n = int(input()) num = [int(i) for i in input().split()] print("{0} {1} {2}".format(min(num),max(num),sum(num)))
a,b = map(int, input().split()) print("%d %d %0.10f" %(a//b, a%b, a/b) )
0
null
657,758,385,478
48
45
from itertools import accumulate N, K = list(map(int, input().split())) P = list(map(lambda x: int(x) - 1, input().split())) C = list(map(int, input().split())) ans = -10**18-1 seen = [False]*N for i in range(N): if seen[i]: continue loop = [] now = i while seen[now] == False: seen[now] = True loop.append(C[now]) now = P[now] loop_size = len(loop) loop_score = sum(loop) cumsum = list(accumulate(loop+loop)) for j in range(1, min(K, loop_size)+1): for l in range(loop_size): r = l+j subseq = cumsum[r] - cumsum[l] ans = max(ans, subseq, subseq+loop_score*((K-j)//loop_size)) print(ans)
def mod_max(loop, mod): if mod == 0: return 0 loop_len = len(loop) mm = min(loop) for start in range(loop_len): current_sum = 0 for i in range(mod): current_sum += loop[(start + i) % loop_len] mm = max(current_sum, mm) return mm def main(): n, k = map(int, input().split()) p = [int(i) - 1 for i in input().split()] c = [int(i) for i in input().split()] seen = set() loop_list = [] for start in range(n): v = start loop = [] while v not in seen: seen.add(v) loop.append(c[v]) v = p[v] seen.add(v) if loop: loop_list.append(loop) ans = min(c) for loop in loop_list: loop_len = len(loop) loop_num = k // loop_len loop_mod = k % loop_len loop_sum = sum(loop) ans = max(mod_max(loop, min(loop_len, k)), ans) if loop_num > 0: ans = max(loop_sum * loop_num + mod_max(loop, loop_mod), ans) ans = max(loop_sum * (loop_num - 1) + mod_max(loop, loop_len), ans) print(ans) if __name__ == '__main__': main()
1
5,446,358,323,120
null
93
93
import sys n, m, l = [ int( val ) for val in sys.stdin.readline().split( " " ) ] matrixA = [ [ int( val ) for val in sys.stdin.readline().split( " " ) ] for row in range( n ) ] matrixB = [ [ int( val ) for val in sys.stdin.readline().split( " " ) ] for row in range( m ) ] matrixC = [ [ 0 for row in range( l ) ] for row in range( n ) ] output = [] for i in range( n ): for j in range( l ): for k in range( m ): matrixC[i][j] += ( matrixA[i][k] * matrixB[k][j] ) output.append( "{:d}".format( matrixC[i][j] ) ) output.append( " " ) output.pop() output.append( "\n" ) output.pop() print( "".join( output ) )
n,m,l=map(int,input().split()) A=[list(map(int,input().split())) for i in range(n)] B=[list(map(int,input().split())) for i in range(m)] C=[[0]*l for i in range(n)] for x in range(n): for y in range(l): for z in range(m): C[x][y] += A[x][z]*B[z][y] for row in range(n): print("%d"%(C[row][0]),end="") for col in range(1,l): print(" %d"%(C[row][col]),end="") print()
1
1,437,243,838,628
null
60
60
x=int(input()) y=str(input()) if len(y) > x: print(y[:x] + '...') else: print(y)
import sys input = sys.stdin.readline sys.setrecursionlimit(10 ** 7) from time import time from random import randint from copy import deepcopy start_time = time() def calcScore(t, s, c): scores = [0]*26 lasts = [0]*26 for i in range(1, len(t)): scores[t[i]] += s[i][t[i]] dif = i - lasts[t[i]] scores[t[i]] -= c[t[i]] * dif * (dif-1) // 2 lasts[t[i]] = i for i in range(26): dif = len(t) - lasts[i] scores[i] -= c[i] * dif * (dif-1) // 2 return scores def greedy(c, s): day_lim = len(s) socres = [0]*26 t = [0]*day_lim lasts = [0]*26 for i in range(1, day_lim): pls = [v for v in socres] mns = [v for v in socres] for j in range(26): pls[j] += s[i][j] mns[j] -= c[j] * (i - lasts[j]) sum_mns = sum(mns) pt = sum_mns - mns[0] + pls[0] idx = 0 for j in range(1, 26): tmp = sum_mns - mns[j] + pls[j] if pt < tmp: pt = tmp idx = j t[i] = idx lasts[idx] = i for j in range(26): if j == idx: socres[j] = pls[j] else: socres[j] = mns[j] return socres, t def subGreedy(c, s, t, day): day_lim = len(s) socres = [0]*26 t = [0]*day_lim lasts = [0]*26 for i in range(1, day_lim): if day <= i: pls = [v for v in socres] mns = [v for v in socres] for j in range(26): pls[j] += s[i][j] mns[j] -= c[j] * (i - lasts[j]) sum_mns = sum(mns) pt = sum_mns - mns[0] + pls[0] idx = 0 for j in range(1, 26): tmp = sum_mns - mns[j] + pls[j] if pt < tmp: pt = tmp idx = j t[i] = idx lasts[idx] = i for j in range(26): if j == idx: socres[j] = pls[j] else: socres[j] = mns[j] else: scores[t[i]] += s[i][t[i]] lasts[t[i]] = i for j in range(26): dif = i - lasts[j] scores[j] -= c[j] * dif return socres, t D = int(input()) c = list(map(int, input().split())) s = [[0]*26 for _ in range(D+1)] for i in range(1, D+1): s[i] = list(map(int, input().split())) scores, t = greedy(c, s) sum_score = sum(scores) while time() - start_time < 1.86: typ = randint(1, 90) if typ <= 70: for _ in range(100): tmp_t = deepcopy(t) tmp_t[randint(1, D)] = randint(0, 25) tmp_scores = calcScore(tmp_t, s, c) sum_tmp_score = sum(tmp_scores) if sum_score < sum_tmp_score: sum_score = sum_tmp_score t = deepcopy(tmp_t) scores = deepcopy(tmp_scores) elif typ <= 90: for _ in range(30): tmp_t = deepcopy(t) dist = randint(1, 20) p = randint(1, D-dist) q = p + dist tmp_t[p], tmp_t[q] = tmp_t[q], tmp_t[p] tmp_scores = calcScore(tmp_t, s, c) sum_tmp_score = sum(tmp_scores) if sum_score < sum_tmp_score: sum_score = sum_tmp_score t = deepcopy(tmp_t) scores = deepcopy(tmp_scores) elif typ <= 100: tmp_t = deepcopy(t) day = randint(D//4*3, D) tmp_scores, tmp_t = subGreedy(c, s, tmp_t, day) sum_tmp_score = sum(tmp_scores) if sum_score < sum_tmp_score: sum_score = sum_tmp_score t = tmp_t scores = tmp_scores for v in t[1:]: print(v+1)
0
null
14,723,290,690,208
143
113
S = str(input()) l = ['SUN','MON','TUE','WED','THU','FRI','SAT'] for i in range(7): if S == l[i]: print(7-i)
s = input() days = ["", "SAT", "FRI", "THU", "WED", "TUE", "MON", "SUN"] print(days.index(s))
1
132,949,092,152,772
null
270
270
alps = 'abcdefghijklmnopqrstuvwxyz' n = int(input()) if n == 1: print('a') exit() ansl = [] curr_n = n for i in range(15, -1, -1): if n <= pow(26,i): continue val = curr_n//pow(26,i) ansl.append(val) curr_n -= val*pow(26,i) for j in range(100): for i in range(len(ansl)-1): if ansl[i+1] == 0: ansl[i+1] = 26 ansl[i] -= 1 ans = '' for a in ansl: if a == 0: continue ans += alps[a-1] print(ans)
n=int(input()) def ans(x): a=26 b=1 k=1 ch=0 while ch==0: if b<= x <= b+a**k-1: ch+=1 return k,x-(b-1) else: b=b+a**k k+=1 s,t=ans(n) ans1='' c='abcdefghijklmnopqrstuvwxyz' for i in range(1,s+1): q=0 f=26**(s-i) if i!=s: cc=0 while cc==0: e=t-f*(q+1) if e>0: q+=1 else: cc+=1 if q==25: break t-=f*q g=c[q] ans1=ans1+g else: g=c[t-1] ans1=ans1+g print(ans1)
1
11,859,521,240,800
null
121
121
n, x, t = map(int, input().split()) answer = -(-n // x) * t print(answer)
X, K, D = map(int,input().split()) X = abs(X) if X > K*D: print( X - K*D ) else: a = X//D K -= a X -= D*a if K%2 == 0: print(X) else: print(abs(X-D))
0
null
4,714,917,812,812
86
92
import bisect, collections, copy, heapq, itertools, math, string, sys input = lambda: sys.stdin.readline().rstrip() sys.setrecursionlimit(10**7) INF = float('inf') def I(): return int(input()) def F(): return float(input()) def SS(): return input() def LI(): return [int(x) for x in input().split()] def LI_(): return [int(x)-1 for x in input().split()] def LF(): return [float(x) for x in input().split()] def LSS(): return input().split() def resolve(): S = SS() len_S = len(S) ans = 0 for i in range(len_S // 2): if S[i] != S[len_S-1-i]: ans += 1 print(ans) if __name__ == '__main__': resolve()
S=list(input()) T=S.copy() T.reverse() count=0 for i in range(len(S)): if S[i]!=T[i]:count+=1 print(count//2)
1
120,284,500,415,278
null
261
261
N = int(input()) if N%2 ==1: print(0) else: ans = 0 cnt = 10 while N >= cnt: ans += N//cnt cnt *= 5 print(ans)
import math r = float(input()) pi =math.pi print('%.10f %.10f'%(r*r*pi,2*r*pi))
0
null
58,128,942,315,518
258
46
N,K=list(map(int, input().split())) H=list(map(int, input().split())) if K>=N: print(0) exit() H.sort(reverse=True) H=H[K:] print(sum(H))
N, K = map(int, input().split()) H = map(int, input().split()) if K >= N: print(0) exit() H = list(H) H.sort() print(sum(x for x in H[0 : N - K]))
1
79,209,646,409,096
null
227
227
t=input() tla=list(t) tlb=list(t) pd1=0 pd2=0 for i in range(len(tla)): if tla[i]=="?": if i==0: pass elif i==len(tla)-1: tla[i]="D" elif tla[i-1]=="P": tla[i]="D" elif tla[i+1]=="D": tla[i]="P" elif tla[i+1]=="?": tla[i]="P" else: tla[i]="D" if tla[i]=="D": if i==0: pass elif tla[i-1]=="P": pd1+=1 d1=tla.count('D') s1=d1+pd1 for i in range(len(tlb)): if tlb[i]=="?": tlb[i]="D" if tlb[i]=="D": if i==0: pass elif tlb[i-1]=="P": pd2+=1 d2=tlb.count('D') s2=d2+pd2 if s1>s2: print(''.join(tla)) else: print(''.join(tlb))
import sys input=sys.stdin.readline count=0 res="" str=input() list=[] for i in range(len(str)): list.append(str[i]) for i in range(len(str)): if str[i]=="?": if i==0: if list[1]=="D": list[0]="P" else: list[0]="D" elif i+1==len(str): list[i]="D" else: if list[i-1]=="P": list[i]="D" else: if list[i+1]=="D" or list[i+1]=="?": list[i]="P" else: list[i]="D" for i in range(len(str)): res+=list[i] print(res)
1
18,474,416,001,600
null
140
140
import sys input = sys.stdin.readline INF = 10**18 sys.setrecursionlimit(10**6) def li(): return [int(x) for x in input().split()] N, X, MOD = li() n = X nums = [X] loop_start_i = -INF for i in range(1, N): n = pow(n, 2, MOD) if n in nums: loop_start_i = nums.index(n) break nums.append(n) # total %= MOD loop_length = len(nums) - loop_start_i loop_cnt = (N - loop_start_i) // loop_length r = (N - loop_start_i) % loop_length sum_per_loop = sum(nums[loop_start_i:]) ans = sum(nums[:loop_start_i]) + sum_per_loop * loop_cnt + sum(nums[loop_start_i:loop_start_i+r]) print(ans)
import sys def input(): return sys.stdin.readline().rstrip() N, X, M = map(int, input().split()) numlist = [-1] * M num = X ans = num roop_start = -1 for i in range(N-1): new_num = (num * num) % M if numlist[num] == -1: numlist[num] = new_num ans += new_num num = new_num else: roop_start = num break num = roop_start if roop_start == -1: print(ans) else: roop_sum = [num] for i in range(N-1): new_num = numlist[num] numlist[num] = -1 if numlist[new_num] == -1: break else: roop_sum.append(roop_sum[-1] + new_num) num = new_num if numlist[X] != -1: count = 0 ans = 0 for i in range(M): if numlist[i] != -1: ans += i count += 1 N -= count else: ans = 0 size = len(roop_sum) div = N // size rest = N % size ans += div * roop_sum[-1] if rest != 0: ans += roop_sum[rest-1] print(ans)
1
2,830,258,933,828
null
75
75
def A(): s = input() if s == 'SSS': print(3) elif s=='RSS' or s=='SSR': print(2) elif s=='RRR': print(0) else: print(1) def B(): n = int(input()) a = list(map(int, input().split())) cnt = 0 for i in range(n): for j in range(i+1, n): if a[i] == a[j]: continue for k in range(j+1, n): if a[i]==a[k] or a[j] == a[k]: continue s = a[i] + a[j] + a[k] if s > 2 * max(a[i], a[j], a[k]): cnt += 1 print(cnt) def C(): x, k, d = map(int, input().split()) if abs(x) > k * d: print(abs(x) - k*d) else: tm = abs(x) // d x = abs(x) % d k -= tm if k % 2 == 0: print(x) else: print(d-x) B()
v=input() v=int(v) print(v**3)
0
null
2,660,778,829,888
91
35