Datasets:
File size: 70,613 Bytes
cf9aaba 9081779 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const double PI = acos(-1.0);\n const double EPS = 1e-7;\n const long long BIG_PRIME7 = 1000000007;\n const long long BIG_PRIME9 = 1000000009;\n int gcd(int x, int y) { return y ? gcd(y, x % y) : x; }\n char ch = 'a';\n int j, n, m, L, i;\n int N, C;\n int x, y, z, k;\n string f, s;\n int a[101], b[101];\n int main() {\n cin >> x;\n for (i = 0; i < x; i++) {\n cin >> k;\n if (k & 1) z++;\n }\n if (!(z & 1))\n cout << (x - z);\n else\n cout << z;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = 111111;\n int last[3 * N], pre[3 * N], v[3 * N], cnt[3 * N], cur = 0;\n inline void add(int a, int b) {\n pre[cur] = last[a];\n v[cur] = b;\n last[a] = cur;\n cur++;\n }\n set<int>* who[N];\n inline set<int>* merge(set<int>*& a, set<int>*& b) {\n if (a->size() < b->size()) {\n return merge(b, a);\n } else {\n for (set<int>::iterator it = b->begin(); it != b->end(); it++) {\n if (a->find(-*it) != a->end()) {\n a->erase(-*it);\n } else {\n a->insert(*it);\n }\n }\n b->clear();\n return a;\n }\n }\n int used[N];\n void dfs(int u) {\n used[u] = true;\n for (int i = last[u]; i >= 0; i = pre[i])\n if (!used[v[i]]) {\n dfs(v[i]);\n cnt[i ^ 1] = cnt[i] = who[v[i]]->size();\n who[u] = merge(who[u], who[v[i]]);\n }\n }\n set<int>* mem[N];\n int main() {\n memset(last, -1, sizeof(last));\n int n;\n scanf( %d , &n);\n for (int i = (0); i <= ((n - 1) - 1); i++) {\n int u, v;\n scanf( %d%d , &u, &v);\n u--;\n v--;\n add(u, v);\n add(v, u);\n }\n for (int i = (0); i <= ((n)-1); i++) mem[i] = who[i] = new set<int>();\n int k;\n scanf( %d , &k);\n for (int i = (1); i <= ((k)); i++) {\n int u, v;\n scanf( %d%d , &u, &v);\n u--;\n v--;\n if (u != v) {\n who[u]->insert(i);\n who[v]->insert(-i);\n }\n }\n dfs(0);\n for (int i = 0; i < cur; i += 2) {\n if (i) printf( );\n printf( %d , cnt[i]);\n }\n puts( );\n for (int i = (0); i <= ((n)-1); i++) delete (mem[i]);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int MOD = 1e9 + 7;\n const int INF = 1e9 + 7;\n const int base = 1e9;\n const int MAX = 1e5;\n const double EPS = 1e-9;\n const double PI = acos(-1.);\n int main() {\n ios_base::sync_with_stdio(0);\n cin.tie(0);\n cout.tie(0);\n int n, *a, *res, j = 0;\n cin >> n;\n a = new int[n];\n res = new int[n];\n set<int> cnt;\n for (int i = 0; i < n; i++) {\n cin >> a[i];\n }\n for (int i = n - 1; i >= 0; i--) {\n if (!cnt.count(a[i])) {\n cnt.insert(a[i]);\n res[j] = a[i];\n j++;\n }\n }\n cout << j << endl;\n for (int i = j - 1; i >= 0; i--) {\n cout << res[i] << ' ';\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n string s;\n int n, m;\n int f[150][150][250][2];\n int main() {\n cin >> s;\n n = s.size();\n scanf( %d , &m);\n f[0][m][n][1] = true;\n for (int i = 0; i < n; i++)\n for (int j = 0; j <= m; j++)\n for (int k = 0; k <= n * 2; k++)\n for (int l = 0; l < 2; l++)\n if (f[i][j][k][l])\n if (s[i] == 'T') {\n f[i + 1][j][k][1 - l] = true;\n if (j != 0 && k - 1 + 2 * l >= 0)\n f[i + 1][j - 1][k - 1 + 2 * l][l] = true;\n } else {\n if (k - 1 + 2 * l >= 0) f[i + 1][j][k - 1 + 2 * l][l] = true;\n if (j != 0) f[i + 1][j - 1][k][1 - l] = true;\n }\n int i = 0;\n for (int j = 0; j <= m; j++)\n if (j % 2 == 0)\n for (int k = 0; k <= n * 2; k++)\n for (int l = 0; l < 2; l++)\n if (f[n][j][k][l]) {\n if (k - n < 0 && n - k > i) i = n - k;\n if (k - n > 0 && k - n > i) i = k - n;\n }\n printf( %d\n , i);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n struct cell {\n bool up, down, right, left;\n int degree;\n cell() { up = down = left = right = degree = 0; }\n void reset() { up = down = left = right = degree = 0; }\n };\n struct qcell {\n int x, y, degree;\n qcell() {\n x = y = -1;\n degree = 0;\n }\n qcell(int xx, int yy, int deg) {\n x = xx;\n y = yy;\n degree = deg;\n }\n };\n char pitch[2001][2001];\n cell info[2001][2001];\n int n, m;\n int empty_cells = 0;\n bool update(int x, int y) {\n int degree = 0;\n if (x >= 0 && x < n && y >= 0 && y < m) {\n degree = info[x][y].degree;\n if (pitch[x][y] != '.')\n info[x][y].reset();\n else {\n info[x][y].up = (x - 1 >= 0 && pitch[x - 1][y] == '.');\n info[x][y].down = (x + 1 < n && pitch[x + 1][y] == '.');\n info[x][y].left = (y - 1 >= 0 && pitch[x][y - 1] == '.');\n info[x][y].right = (y + 1 < m && pitch[x][y + 1] == '.');\n info[x][y].degree = (info[x][y].up + info[x][y].down + info[x][y].left +\n info[x][y].right);\n }\n }\n return degree != info[x][y].degree;\n }\n void do_push(int x, int y, queue<qcell> &q) {\n if (x >= 0 && x < n && y >= 0 && y < m)\n if (pitch[x][y] == '.')\n if (info[x][y].degree == 1) q.push(qcell(x, y, 1));\n }\n void occupy(int x, int y, queue<qcell> &q) {\n int xx = x, yy = y;\n char dir = 'U';\n if (info[x][y].down) dir = 'D';\n if (info[x][y].left) dir = 'L';\n if (info[x][y].right) dir = 'R';\n if (dir == 'U') {\n pitch[x][y] = 'v';\n pitch[x - 1][y] = '^';\n xx = x - 1;\n } else if (dir == 'D') {\n pitch[x][y] = '^';\n pitch[x + 1][y] = 'v';\n xx = x + 1;\n } else if (dir == 'L') {\n pitch[x][y] = '>';\n pitch[x][y - 1] = '<';\n yy = y - 1;\n } else {\n pitch[x][y] = '<';\n pitch[x][y + 1] = '>';\n yy = y + 1;\n }\n update(x, y);\n update(xx, yy);\n if (do_push) {\n if (update(x - 1, y)) do_push(x - 1, y, q);\n if (update(x + 1, y)) do_push(x + 1, y, q);\n if (update(x, y - 1)) do_push(x, y - 1, q);\n if (update(x, y + 1)) do_push(x, y + 1, q);\n if (update(xx - 1, yy)) do_push(xx - 1, yy, q);\n if (update(xx + 1, yy)) do_push(xx + 1, yy, q);\n if (update(xx, yy - 1)) do_push(xx, yy - 1, q);\n if (update(xx, yy + 1)) do_push(xx, yy + 1, q);\n }\n empty_cells -= 2;\n }\n int main() {\n cin >> n >> m;\n for (int i = 0; i < n; i++)\n for (int j = 0; j < m; j++) {\n cin >> pitch[i][j];\n if (pitch[i][j] == '.') empty_cells++;\n }\n queue<qcell> q;\n for (int i = 0; i < n; i++)\n for (int j = 0; j < m; j++) {\n update(i, j);\n if (info[i][j].degree == 1) q.push(qcell(i, j, info[i][j].degree));\n }\n bool unique_sol = 1;\n while (1) {\n if (q.empty()) break;\n qcell f = q.front();\n q.pop();\n if (info[f.x][f.y].degree == 0) {\n if (pitch[f.x][f.y] == '.') {\n unique_sol = false;\n break;\n }\n } else\n occupy(f.x, f.y, q);\n }\n if (unique_sol)\n if (empty_cells != 0) unique_sol = 0;\n if (!unique_sol)\n cout << Not unique << endl;\n else\n for (int i = 0; i < n; i++) {\n for (int j = 0; j < m; j++) cout << pitch[i][j];\n cout << endl;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int INF = 0x3f3f3f3f;\n int main() {\n ios::sync_with_stdio(false);\n int t;\n cin >> t;\n while (t--) {\n string s, t;\n cin >> s >> t;\n vector<int> each[26];\n int n, m;\n n = s.length();\n m = t.length();\n for (int i = 0; i < n; ++i) {\n each[s[i] - 'a'].push_back(i);\n }\n int las = INF, res = 0;\n for (int i = 0; i < m; ++i) {\n if (upper_bound(each[t[i] - 'a'].begin(), each[t[i] - 'a'].end(), las) !=\n each[t[i] - 'a'].end()) {\n las =\n *upper_bound(each[t[i] - 'a'].begin(), each[t[i] - 'a'].end(), las);\n } else {\n if (each[t[i] - 'a'].empty()) {\n res = -1;\n break;\n } else {\n res++;\n las = each[t[i] - 'a'][0];\n }\n }\n }\n cout << res << endl;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n int n, h, a, road_width = 0;\n cin >> n >> h;\n for (int i = 0; i < n; i++) {\n cin >> a;\n if (a > h)\n road_width += 2;\n else\n road_width++;\n }\n cout << road_width << \n ;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int abs(int a, int b) {\n if (a > b)\n return a - b;\n else\n return b - a;\n }\n int main() {\n int n, c, i, b, count = 0, index1 = 1, index2 = 1, flag = 0;\n cin >> n >> c;\n char *s;\n s = new char[n + 2];\n for (i = 1; i <= n; i++) {\n cin >> s[i];\n }\n int *d = new int[n + 1];\n for (i = 1; i <= n / 2; i++) {\n b = abs((int)s[i], (int)s[n - i + 1]);\n if (b < 13)\n d[i] = d[n - i + 1] = b;\n else\n d[i] = d[n - i + 1] = 26 - b;\n }\n if (c > n / 2) c = 1 + n - c;\n for (i = 1; i <= n / 2; i++) {\n if (d[i] > 0) {\n index1 = i;\n break;\n }\n }\n for (i = n / 2; i >= 1; i--) {\n if (d[i] > 0) {\n index2 = i;\n flag = 1;\n break;\n }\n }\n if (c <= index1) {\n count = index2 - c;\n } else if (c <= index2) {\n if (c - index1 > index2 - c)\n count = 2 * (index2 - c) + c - index1;\n else\n count = 2 * (c - index1) + index2 - c;\n } else\n count = c - index1;\n for (i = index1; i <= index2; i++) {\n count += d[i];\n }\n if (flag == 1)\n cout << count;\n else\n cout << 0;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n int any_table[11][11];\n struct DammedPascalNUmber {\n int tb[13][13];\n DammedPascalNUmber() {\n int i, j;\n for (i = 0; i <= 12; i++)\n for (j = 0; j <= i; j++) {\n int &r = tb[i][j];\n if (j == 0 || i == 0)\n r = 1;\n else\n r = tb[i - 1][j - 1] + tb[i - 1][j];\n }\n }\n int count(int n, int m) { return tb[n][m]; }\n } pas;\n int any(int dig, int amo) {\n if (dig < amo) return 0;\n if (amo < 0) return 0;\n if (dig == 0) return 1;\n int &r = any_table[dig][amo];\n int i;\n if (r >= 0) return r;\n r = 1;\n for (i = 0; i < amo; i++) r *= 2;\n for (; i < dig; i++) r *= 8;\n r *= pas.count(dig, amo);\n return r;\n }\n int check(int m, int n) {\n int i, j, t, r = 0;\n for (i = 1; i <= m; i++) {\n char str[15];\n t = 0;\n sprintf(str, %d , i);\n for (j = 0; str[j]; j++)\n if (str[j] == '4' || str[j] == '7') t++;\n if (t == n) r++;\n }\n return r;\n }\n int a[13];\n int dfs(int party, int quta) {\n int r = 0, i;\n if (party == 6) {\n return 1;\n }\n for (i = quta; i >= 0; i--)\n if (a[i] > 0) {\n int t = a[i];\n a[i]--;\n r = (1LL * r + 1LL * t * 1LL * dfs(party + 1, quta - i) +\n 1LL * 1000000007) %\n 1000000007;\n a[i]++;\n }\n return r;\n }\n void test(int n, int m) { printf( any(%d,%d)=%d\n , n, m, any(n, m)); }\n void test2(int m, int n) {\n printf( (%d,%d)=%d a[%d]=%d\n , m, n, check(m, n), n, a[n]);\n }\n int main() {\n memset(any_table, -1, sizeof(any_table));\n int m, s, i, j, k, sn, lucked;\n while (~scanf( %d , &m)) {\n memset(a, 0, sizeof(a));\n char str[15];\n sprintf(str, %d , m);\n for (sn = 0; str[sn]; sn++)\n ;\n for (j = sn; j > 0; j--) {\n a[j] = 0;\n lucked = 0;\n for (i = 0; i < sn; i++) {\n int p = 0, q = 0;\n k = str[i] - '0' - 1;\n for (; k >= 0; k--)\n if (k == 4 || k == 7)\n q++;\n else\n p++;\n if (p) a[j] += p * any(sn - i - 1, j - lucked);\n if (q) a[j] += q * any(sn - i - 1, j - lucked - 1);\n if (str[i] == '4' || str[i] == '7') {\n lucked++;\n }\n if (i == sn - 1 && lucked == j) a[j]++;\n }\n }\n a[0] = m;\n for (i = 1; i <= sn; i++) a[0] -= a[i];\n int ans = 0;\n for (i = 1; i <= sn; i++)\n if (a[i]) {\n ans = (1LL * ans + 1LL * a[i] * dfs(0, i - 1) + 1LL * 1000000007) %\n 1000000007;\n }\n printf( %d\n , ans);\n }\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int maxn = 1e5 + 10;\n const double pi = acos(-1);\n const int inf = 1 << 30;\n const int mod = 1e9 + 9;\n struct point {\n int x, flag;\n bool operator<(const point &a) const { return flag > a.flag; }\n } s, q;\n bool check(long long a[], int n, long long h, int x) {\n priority_queue<int, vector<int>, less<int> > qwe;\n for (int i = 1; i <= min(n, x); i++) qwe.push(a[i]);\n int f = 1, pos;\n while (!qwe.empty()) {\n pos = qwe.top();\n qwe.pop();\n if (f) h -= pos;\n f ^= 1;\n }\n if (h >= 0ll)\n return true;\n else\n return false;\n }\n int main() {\n int n;\n long long h, a[maxn];\n scanf( %d %lld , &n, &h);\n for (int i = 1; i <= n; i++) scanf( %lld , &a[i]);\n int l = 0, r = n, ans = 0;\n while (l <= r) {\n int mid = (l + r) >> 1;\n if (check(a, n, h, mid))\n l = mid + 1, ans = mid;\n else\n r = mid - 1;\n }\n printf( %d\n , ans);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n const int64_t mod = 998244353;\n int gcd(int64_t a, int64_t b) {\n while (a != 0 && b != 0) {\n if (a >= b)\n a = a % b;\n else\n b = b % a;\n }\n return a + b;\n }\n struct Fraction {\n int64_t numerator;\n int64_t devider;\n Fraction(int64_t n = 0, int64_t d = 1) : numerator(n), devider(d){};\n const Fraction& operator+(const Fraction& rv) {\n if (rv.devider == devider) {\n numerator += rv.numerator;\n numerator %= mod;\n return *this;\n } else {\n numerator *= rv.devider;\n numerator %= mod;\n numerator += rv.numerator * devider;\n numerator %= mod;\n devider *= rv.devider;\n devider %= mod;\n return *this;\n }\n }\n const Fraction& operator*(const Fraction& rv) {\n numerator *= rv.numerator;\n devider *= rv.devider;\n numerator %= mod;\n devider %= mod;\n return *this;\n }\n };\n struct Item {\n Item(Fraction f, int64_t s, int64_t v) : possibility(f), sum(s), val(v){};\n Fraction possibility;\n int64_t sum;\n int64_t val;\n };\n void extended_euclid(int64_t a, int64_t b, int64_t& x, int64_t& y, int64_t& d) {\n int64_t q, r, x1, x2, y1, y2;\n if (b == 0) {\n d = a, x = 1, y = 0;\n return;\n }\n x2 = 1, x1 = 0, y2 = 0, y1 = 1;\n while (b > 0) {\n q = a / b, r = a - q * b;\n x = x2 - q * x1, y = y2 - q * y1;\n a = b, b = r;\n x2 = x1, x1 = x, y2 = y1, y1 = y;\n }\n d = a, x = x2, y = y2;\n }\n int main() {\n int64_t n, m;\n std::cin >> n >> m;\n std::vector<std::pair<int64_t, bool>> data;\n int64_t posWeight = 0, negWeight = 0;\n for (int64_t i = 0; i < n; ++i) {\n int64_t a;\n std::cin >> a;\n if (a == 0)\n data.push_back(std::make_pair(-1, false));\n else\n data.push_back(std::make_pair(-1, true));\n }\n for (auto& i : data) {\n int64_t w;\n std::cin >> w;\n i.first = w;\n if (i.second)\n posWeight += w;\n else\n negWeight += w;\n }\n std::vector<Item> posVec{\n Item(Fraction(1, 1), posWeight + negWeight, posWeight)},\n negVec{Item(Fraction(1, 1), posWeight + negWeight, negWeight)};\n for (int64_t i = 0; i < m; ++i) {\n std::vector<Item> newPos, newNeg;\n for (auto j : posVec) {\n if (!newPos.size()) {\n Fraction f(j.val, j.sum);\n f = f * j.possibility;\n newPos.push_back(Item(f, j.sum + 1, j.val + 1));\n } else {\n Fraction f(j.val, j.sum);\n f = f * j.possibility;\n newPos.rbegin()->possibility = newPos.rbegin()->possibility + f;\n }\n if (j.sum > j.val) {\n Fraction f(j.sum - j.val, j.sum);\n f = f * j.possibility;\n newPos.push_back(Item(f, j.sum - 1, j.val));\n }\n }\n for (auto j : negVec) {\n if (!newNeg.size() && j.val > 1) {\n Fraction f(j.val, j.sum);\n f = f * j.possibility;\n newNeg.push_back(Item(f, j.sum - 1, j.val - 1));\n } else if (j.val > 1) {\n Fraction f(j.val, j.sum);\n f = f * j.possibility;\n newNeg.rbegin()->possibility = newNeg.rbegin()->possibility + f;\n }\n Fraction f(j.sum - j.val, j.sum);\n f = f * j.possibility;\n newNeg.push_back(Item(f, j.sum + 1, j.val));\n }\n posVec = newPos;\n negVec = newNeg;\n }\n Fraction pos, neg;\n for (auto i : posVec) pos = pos + Fraction(i.val, 1) * i.possibility;\n for (auto i : negVec) neg = neg + Fraction(i.val, 1) * i.possibility;\n for (auto i : data) {\n Fraction res;\n if (i.second)\n res = Fraction(i.first, posWeight) * pos;\n else\n res = Fraction(i.first, negWeight) * neg;\n int64_t g = gcd(res.numerator, res.devider);\n res.numerator /= g;\n res.devider /= g;\n int64_t d, x, y;\n extended_euclid(res.devider, mod, x, y, d);\n std::cout << (((x % mod + mod) % mod) * res.numerator) % mod << std::endl;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = 100005;\n int n, m, x, y, f[N], fa[N], ch[N][2];\n char op[5];\n long long a[N], siz[N], ssiz[N], ans[N], sans[N], sqsiz[N], all[N];\n bool isroot(int u) { return ch[fa[u]][0] != u && ch[fa[u]][1] != u; }\n int which(int u) { return u == ch[fa[u]][1]; }\n void pushup(int o) {\n int lc = ch[o][0], rc = ch[o][1];\n siz[o] = siz[lc] + siz[rc] + ssiz[o];\n all[o] = all[lc] + all[rc] + a[o] * ssiz[o];\n ans[o] = ans[lc] + ans[rc] + sans[o];\n ans[o] += (ssiz[o] * ssiz[o] - sqsiz[o]) * a[o];\n ans[o] += 2 * siz[rc] * ssiz[o] * a[o];\n ans[o] += 2 * all[lc] * (siz[o] - siz[lc]);\n }\n void rotate(int x) {\n int y = fa[x], z = fa[y], md = which(x);\n if (!isroot(y)) {\n ch[z][which(y)] = x;\n }\n fa[x] = z;\n ch[y][md] = ch[x][!md];\n fa[ch[y][md]] = y;\n ch[x][!md] = y;\n fa[y] = x;\n pushup(y);\n pushup(x);\n }\n void splay(int u) {\n while (!isroot(u)) {\n if (!isroot(fa[u])) {\n rotate(which(u) == which(fa[u]) ? fa[u] : u);\n }\n rotate(u);\n }\n }\n void access(int u) {\n for (int v = 0; u; v = u, u = fa[u]) {\n splay(u);\n int rc = ch[u][1];\n ssiz[u] += siz[rc];\n sans[u] += ans[rc];\n sqsiz[u] += siz[rc] * siz[rc];\n ch[u][1] = v;\n ssiz[u] -= siz[v];\n sans[u] -= ans[v];\n sqsiz[u] -= siz[v] * siz[v];\n pushup(u);\n }\n }\n void link(int u, int v) {\n access(v);\n splay(v);\n access(u);\n splay(u);\n fa[u] = v;\n ssiz[v] += siz[u];\n sans[v] += ans[u];\n sqsiz[v] += siz[u] * siz[u];\n pushup(v);\n }\n void cut(int u, int v) {\n access(u);\n access(v);\n splay(v);\n splay(u);\n fa[u] = 0;\n ssiz[v] -= siz[u];\n sans[v] -= ans[u];\n sqsiz[v] -= siz[u] * siz[u];\n pushup(v);\n }\n bool check(int u, int v) {\n access(v);\n splay(v);\n splay(u);\n if (isroot(v)) {\n return false;\n }\n return true;\n }\n int main() {\n scanf( %d , &n);\n for (int i = 2; i <= n; i++) {\n scanf( %d , &f[i]);\n }\n for (int i = 1; i <= n; i++) {\n scanf( %lld , &a[i]);\n ans[i] = all[i] = a[i];\n }\n for (int i = 1; i <= n; i++) {\n siz[i] = 1;\n ssiz[i] = 1;\n }\n for (int i = 2; i <= n; i++) {\n link(i, f[i]);\n }\n access(1);\n splay(1);\n printf( %.10lf\n , 1.0 * ans[1] / n / n);\n scanf( %d , &m);\n while (m--) {\n scanf( %s%d%d , op, &x, &y);\n if (op[0] == 'P') {\n if (check(x, y)) {\n swap(x, y);\n }\n cut(x, f[x]);\n f[x] = y;\n link(x, f[x]);\n access(1);\n splay(1);\n printf( %.10lf\n , 1.0 * ans[1] / n / n);\n } else {\n access(x);\n splay(x);\n a[x] = y;\n pushup(x);\n printf( %.10lf\n , 1.0 * ans[x] / n / n);\n }\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n ios_base::sync_with_stdio(false);\n cin.tie(NULL);\n long long x, y, n, m, t, q, a, b, count = 0;\n cin >> n >> m;\n long long arr[n];\n for (x = 0; x < n; x++) cin >> arr[x];\n a = 0;\n for (x = 0; x < n; x++) {\n a = a + arr[x];\n cout << a / m << ;\n a = a % m;\n }\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int qread() {\n char c;\n int s = 0, f = 1;\n while ((c = getchar()) < '0' || c > '9') (c == '-') && (f = -1);\n do s = s * 10 + c - '0';\n while ((c = getchar()) >= '0' && c <= '9');\n return s * f;\n }\n int n, m;\n const int mod = 1e9 + 7;\n int a[100011], pos[100011], bin[100011], inv[100011], sum[100011],\n lp = 0, val[100011], vv[100011], svv[100011];\n struct Ques {\n int l, r, id;\n bool operator<(const Ques &b) const { return r < b.r; }\n } q[100011];\n int ans[100011];\n int WWW(long long v) { return v > 2000000001 ? 2000000001 : v; }\n int main() {\n n = qread();\n m = qread();\n bin[0] = inv[0] = 1;\n for (int i = 1; i <= n; i++)\n a[i] = qread(), bin[i] = (bin[i - 1] << 1) % mod,\n inv[i] = 1ll * inv[i - 1] * ((mod + 1) >> 1) % mod,\n sum[i] = ((sum[i - 1] + 1ll * a[i] * bin[i]) % mod + mod) % mod;\n for (int i = 1; i <= m; i++) {\n q[i].l = qread();\n q[q[i].id = i].r = qread();\n }\n sort(q + 1, q + 1 + m);\n pos[lp = 1] = 1;\n int j = 1;\n val[1] = a[1] * 2;\n vv[1] = svv[1] = ((a[1] * 2) % mod + mod) % mod;\n while (j <= m && q[j].r == 1) ans[q[j].id] = (a[1] + mod) % mod, j++;\n for (int i = 2; i <= n; i++) {\n if (a[i] <= 0)\n pos[++lp] = i, val[lp] = 2 * a[i],\n vv[lp] = (a[i] * 2ll % mod + mod) % mod,\n svv[lp] = (svv[lp - 1] + vv[lp]) % mod;\n else {\n int cur =\n WWW(0ll + val[lp] + bin[pos[lp] - pos[lp - 1] + 1] * 1ll * a[i]);\n int cvv = (vv[lp] + bin[pos[lp] - pos[lp - 1] + 1] * 1ll * a[i]) % mod;\n lp--;\n while (lp && cur > 0) {\n cur = WWW(0ll + val[lp] +\n (pos[lp] - pos[lp - 1] > 31 ? 2000000001\n : bin[pos[lp] - pos[lp - 1]]) *\n 1ll * cur);\n cvv = (vv[lp] + bin[pos[lp] - pos[lp - 1]] * 1ll * cvv) % mod;\n lp--;\n }\n val[++lp] = cur;\n pos[lp] = i;\n vv[lp] = cvv;\n svv[lp] = (svv[lp - 1] + vv[lp]) % mod;\n }\n while (j <= m && q[j].r == i) {\n if (q[j].l == q[j].r) {\n ans[q[j].id] = (a[i] + mod) % mod;\n j++;\n continue;\n }\n int l = q[j].l + 1, Ans = (a[q[j].l] + mod) % mod;\n int L = 1, R = lp;\n while (L < R) {\n int mid = (L + R) >> 1;\n if (pos[mid] >= l)\n R = mid;\n else\n L = mid + 1;\n }\n Ans = (Ans + svv[lp] - svv[L]) % mod;\n Ans = (Ans + mod) % mod;\n Ans = (Ans + (sum[pos[L]] - sum[l - 1] + mod) * 1ll * inv[l - 1]) % mod;\n ans[q[j].id] = Ans;\n j++;\n }\n }\n for (int i = 1; i <= m; i++) printf( %d\n , ans[i]);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const long long mod = 1000000007;\n const long long inf = 1000000000000000000;\n int main() {\n long long t;\n cin >> t;\n while (t--) {\n long long n;\n cin >> n;\n vector<pair<long long, long long> > p(n);\n for (auto& x : p) cin >> x.first >> x.second;\n sort(p.begin(), p.end());\n pair<long long, long long> now = {0, 0};\n bool f = 1;\n string ans = ;\n for (int i = 0; i < n; i++) {\n if (p[i].first >= now.first && p[i].second >= now.second) {\n long long r = p[i].first - now.first, u = p[i].second - now.second;\n while (r--) ans += 'R';\n while (u--) ans += 'U';\n now = p[i];\n } else {\n f = 0;\n break;\n }\n }\n if (f)\n cout << YES\n << ans << endl;\n else\n cout << NO\n ;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n int n, m;\n scanf( %d %d , &n, &m);\n for (int i = 0; i < n; i++) {\n if (i % 2 == 0) {\n for (int j = 1; j <= m; j++) {\n printf( # );\n }\n } else if (i % 4 == 1) {\n for (int j = 1; j < m; j++) {\n printf( . );\n }\n printf( # );\n } else if (i % 4 == 3) {\n printf( # );\n for (int j = 1; j < m; j++) {\n printf( . );\n }\n }\n printf( \n );\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = 2e5 + 65, mod = 1e9 + 7;\n vector<int> g[N];\n int w[N];\n int col[N], pr[N];\n int sz[N][2];\n long long ans = 0;\n void dfs(int v, int par = -1, int c = 0) {\n pr[v] = par;\n ++sz[v][c];\n col[v] = c;\n for (int u : g[v])\n if (u != par) {\n dfs(u, v, c ^ 1);\n sz[v][0] += sz[u][0];\n sz[v][1] += sz[u][1];\n }\n }\n int main() {\n int n;\n scanf( %d , &n);\n for (int i = 0; i < n; ++i) scanf( %d , w + i);\n for (int i = 1; i < n; ++i) {\n int u, v;\n scanf( %d %d , &u, &v);\n --u, --v;\n g[u].push_back(v);\n g[v].push_back(u);\n }\n ans = 0;\n dfs(0);\n for (int v = 0; v < n; ++v) {\n vector<pair<int, int> > vs;\n for (int u : g[v])\n if (u != pr[v]) vs.emplace_back(sz[u][0], sz[u][1]);\n if (pr[v] != -1) vs.emplace_back(sz[0][0] - sz[v][0], sz[0][1] - sz[v][1]);\n long long cnt = n;\n if (col[v]) {\n for (pair<int, int> e : vs) {\n cnt = (cnt + 1LL * e.second * (n - e.first - e.second)) % mod;\n cnt = (cnt - 1LL * e.first * (n - e.first - e.second)) % mod;\n }\n } else {\n for (pair<int, int> e : vs) {\n cnt = (cnt - 1LL * e.second * (n - e.first - e.second)) % mod;\n cnt = (cnt + 1LL * e.first * (n - e.first - e.second)) % mod;\n }\n }\n cnt %= mod;\n if (cnt < 0) cnt += mod;\n ans = (ans + cnt * w[v]) % mod;\n }\n ans %= mod;\n if (ans < 0) ans += mod;\n cout << ans << endl;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int inf = 1 << 28;\n const double INF = 1e12, EPS = 1e-9;\n int n, m, k;\n bool star[600][600];\n int sum[600][600];\n char in[600][600];\n void run() {\n cin >> n >> m >> k;\n for (int i = 0; i < n; i++) cin >> in[i];\n for (int i = 0; i < n; i++)\n for (int j = 0; j < m; j++) {\n if (in[i][j] == '1' && in[i + 1][j] == '1' && in[i + 2][j] == '1' && j &&\n in[i + 1][j - 1] == '1' && in[i + 1][j + 1] == '1')\n star[i][j] = 1;\n }\n long long ans = 0;\n for (int i = 0; i < n; i++)\n for (int j = 0; j < m; j++)\n sum[i + 1][j + 1] =\n star[i][j] + sum[i][j + 1] + sum[i + 1][j] - sum[i][j];\n for (int a = 0; a < n; a++)\n for (int b = a + 3; b <= n; b++) {\n int l = 0, r = 2, cnt = 0;\n for (; l < m; l++) {\n while (r <= m && cnt < k) {\n r++;\n cnt += sum[b - 2][r - 1] - sum[a][r - 1] -\n (sum[b - 2][r - 2] - sum[a][r - 2]);\n }\n if (cnt < k || r > m) break;\n ans += m - r + 1;\n cnt -= sum[b - 2][l + 2] - sum[a][l + 2] -\n (sum[b - 2][l + 1] - sum[a][l + 1]);\n }\n }\n cout << ans << endl;\n }\n int main() { run(); }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n void readi(int &x) {\n int v = 0, f = 1;\n char c = getchar();\n while (!isdigit(c) && c != '-') c = getchar();\n if (c == '-')\n f = -1;\n else\n v = v * 10 + c - '0';\n while (isdigit(c = getchar())) v = v * 10 + c - '0';\n x = v * f;\n }\n void readll(long long &x) {\n long long v = 0ll, f = 1ll;\n char c = getchar();\n while (!isdigit(c) && c != '-') c = getchar();\n if (c == '-')\n f = -1;\n else\n v = v * 10 + c - '0';\n while (isdigit(c = getchar())) v = v * 10 + c - '0';\n x = v * f;\n }\n void readc(char &x) {\n char c;\n while ((c = getchar()) == ' ')\n ;\n x = c;\n }\n void writes(string s) { puts(s.c_str()); }\n void writeln() { writes( ); }\n void writei(int x) {\n if (!x) putchar('0');\n char a[25];\n int top = 0;\n while (x) {\n a[++top] = (x % 10) + '0';\n x /= 10;\n }\n while (top) {\n putchar(a[top]);\n top--;\n }\n }\n void writell(long long x) {\n if (!x) putchar('0');\n char a[25];\n int top = 0;\n while (x) {\n a[++top] = (x % 10) + '0';\n x /= 10;\n }\n while (top) {\n putchar(a[top]);\n top--;\n }\n }\n inline long long inc(int &x) { return ++x; }\n inline long long inc(long long &x) { return ++x; }\n inline long long inc(int &x, long long y) { return x += y; }\n inline long long inc(long long &x, long long y) { return x += y; }\n inline double inc(double &x, double y) { return x += y; }\n inline long long dec(int &x) { return --x; }\n inline long long dec(long long &x) { return --x; }\n inline long long dec(int &x, long long y) { return x -= y; }\n inline long long dec(long long &x, long long y) { return x -= y; }\n inline double dec(double &x, double y) { return x -= y; }\n inline long long mul(int &x) { return x = ((long long)x) * x; }\n inline long long mul(long long &x) { return x = x * x; }\n inline long long mul(int &x, long long y) { return x *= y; }\n inline long long mul(long long &x, long long y) { return x *= y; }\n inline double mul(double &x, double y) { return x *= y; }\n inline long long divi(const int &x) {\n long long ans, l, r, mid;\n ans = 0;\n l = 0;\n r = 0x3fffffff;\n while (l < r) {\n mid = (l + r) / 2;\n if (mid * mid <= x) {\n ans = mid;\n l = mid + 1;\n } else\n r = mid;\n }\n return ans;\n }\n inline long long divi(const long long &x) {\n long long ans, l, r, mid;\n ans = 0;\n l = 0;\n r = 0x3fffffff;\n while (l < r) {\n mid = (l + r) / 2;\n if (mid * mid <= x) {\n ans = mid;\n l = mid + 1;\n } else\n r = mid;\n }\n return ans;\n }\n inline long long divi(int &x, long long y) { return x /= y; }\n inline long long divi(long long &x, long long y) { return x /= y; }\n inline double divi(double &x, double y) { return x /= y; }\n inline long long mod(int &x, long long y) { return x %= y; }\n inline long long mod(long long &x, long long y) { return x %= y; }\n int n, m, i, j, ct[100005], x, y, vis[100005];\n vector<int> e[100005];\n struct vt {\n int id, deg;\n } a[100005];\n bool cmp(vt x, vt y) { return x.deg > y.deg; }\n bool dfs(int x) {\n if (vis[x] == 1) return 1;\n if (vis[x] == 2) return 0;\n vis[x] = 1;\n for (__typeof((e[x]).begin()) it = (e[x]).begin(); it != (e[x]).end(); it++)\n if (dfs(*it)) return 1;\n vis[x] = 2;\n return 0;\n }\n bool check(int x) {\n memset(vis, 0, sizeof(vis));\n vis[x] = 2;\n int i;\n for (i = 1; i <= n; i++) {\n if (!vis[i] && dfs(i)) {\n for (i = 1; i <= n; i++)\n if (vis[i] != 1) ct[i] = 1;\n return 0;\n }\n }\n return 1;\n }\n int main() {\n double st = clock();\n ios_base::sync_with_stdio(false);\n ;\n cin >> n >> m;\n if ((1) <= ((m)))\n for (((i)) = (1); ((i)) <= ((m)); ((i))++) {\n cin >> x >> y;\n e[x].push_back(y);\n }\n if ((1) <= ((n)))\n for (((i)) = (1); ((i)) <= ((n)); ((i))++) {\n a[i].id = i;\n a[i].deg = e[i].size();\n }\n stable_sort(a + 1, a + n + 1, cmp);\n if ((1) <= ((n)))\n for (((i)) = (1); ((i)) <= ((n)); ((i))++) {\n if ((clock() - st) / CLOCKS_PER_SEC > 0.9) break;\n x = a[i].id;\n if (ct[x] || !check(x)) continue;\n cout << x;\n return 0;\n }\n cout << -1 ;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const long long mxn = 1003, inf = 1e18 + 18;\n int n, m, lcp[mxn][mxn], rk[mxn][mxn], ri[mxn], tot;\n long long k, f[mxn];\n string s;\n struct S {\n int l, r;\n } a[mxn * mxn];\n inline bool cmp(S a, S b) {\n int p = a.l + lcp[a.l][b.l], q = b.l + lcp[a.l][b.l];\n if (p > a.r or q > b.r) return a.r - a.l < b.r - b.l;\n return s[p] < s[q];\n }\n inline long long add(long long a, long long b) {\n return a + b > inf ? inf : a + b;\n }\n inline long long calc(int md) {\n for (int i = 1; i <= n; ++i) {\n ri[i] = i;\n for (; ri[i] <= n and rk[i][ri[i]] < md;) ++ri[i];\n }\n memset(f, 0, sizeof(f)), f[n + 1] = 1;\n for (int i = 1; i <= m; ++i) {\n for (int j = n; j; --j) f[j] = add(f[j], f[j + 1]);\n for (int j = 1; j <= n; ++j) f[j] = ri[j] <= n ? f[ri[j] + 1] : 0;\n f[n + 1] = 0;\n }\n return f[1];\n }\n int main() {\n cin >> n >> m >> k >> s, s = ' ' + s;\n for (int i = n; i; --i)\n for (int j = n; j; --j)\n if (s[i] == s[j]) lcp[i][j] = lcp[i + 1][j + 1] + 1;\n for (int i = 1; i <= n; ++i)\n for (int j = i; j <= n; ++j) a[++tot] = (S){i, j};\n sort(a + 1, a + tot + 1, cmp);\n for (int i = 1; i <= tot; ++i) rk[a[i].l][a[i].r] = i;\n int l = 1, r = tot, md;\n for (; l <= r;) {\n md = l + r >> 1;\n if (calc(md) >= k)\n l = md + 1;\n else\n r = md - 1;\n }\n for (int i = a[r].l; i <= a[r].r; ++i) putchar(s[i]);\n }\n "}
{"func_code_string": "#include <algorithm>\n #include <cmath>\n #include <cstdio>\n #include <cstring>\n #include <iostream>\n #include <map>\n #include <set>\n #include <unordered_map>\n \n using namespace std;\n typedef long long LL;\n const int N = 3e5 + 10, mod = 998244353;\n string g[N];\n int dp[N];\n \n int fastPow(int a, int k) {\n int res = 1;\n while (k) {\n if (k & 1) res = (LL)res * a % mod;\n k >>= 1;\n a = (LL)a * a % mod;\n }\n return res;\n }\n \n int main() {\n ios::sync_with_stdio(false);\n int n, m, sum = 0, res = 0;\n n = 300000;\n for (int i = 2; i <= n; i++) {\n if (i & 1) sum = (sum + 1) % mod;\n dp[i] = ((LL)dp[i - 1] * 2 % mod + sum + !(i & 1)) % mod;\n sum = (sum << 1) % mod;\n }\n sum = 0;\n cin >> n >> m;\n for (int i = 0; i < n; i++) {\n cin >> g[i];\n for (auto c : g[i])\n if (c == 'o') sum++;\n }\n for (int i = 0; i < n; i++) {\n int cnt = 0, len = 0;\n while (cnt <= m) {\n if (cnt == m || g[i][cnt] == '*') {\n if (len) {\n res = (res + (LL)dp[len] *\n fastPow(2, sum - len) % mod) %\n mod;\n len = 0;\n }\n } else {\n len++;\n }\n cnt++;\n }\n }\n for (int i = 0; i < m; i++) {\n int cnt = 0, len = 0;\n while (cnt <= n) {\n if (cnt == n || g[cnt][i] == '*') {\n if (len) {\n res = (res + (LL)dp[len] *\n fastPow(2, sum - len) % mod) %\n mod;\n len = 0;\n }\n } else {\n len++;\n }\n cnt++;\n }\n }\n cout << res << endl;\n return 0;\n }"}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int maxn = 100 + 10;\n char s[maxn];\n int f(char ch) {\n if (ch == 'A') return 1;\n if (ch == 'B') return 2;\n if (ch == 'C') return 4;\n return 0;\n }\n int main() {\n scanf( %s , s + 1);\n int l = strlen(s + 1);\n for (int i = 1; i <= l - 2; ++i) {\n int t = f(s[i]) | f(s[i + 1]) | f(s[i + 2]);\n if (t == 7) {\n cout << Yes << endl;\n return 0;\n }\n }\n cout << No ;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n vector<int> tree[500001];\n bool intree[500001];\n vector<int> tmp(0);\n bool isleaf(int node) {\n if (tree[node].size() == 1 && intree[(tree[node])[0]]) return true;\n return false;\n }\n void DFS(int lvl, int node) {\n intree[node] = true;\n if (isleaf(node)) {\n tmp.push_back(lvl);\n }\n for (int i = 0; i < tree[node].size(); i++) {\n if (!intree[(tree[node])[i]]) {\n DFS(lvl + 1, (tree[node])[i]);\n }\n }\n }\n int main() {\n ios_base::sync_with_stdio(false);\n int N;\n cin >> N;\n for (int i = 1; i <= N; i++) intree[i] = false;\n int x, y;\n for (int i = 0; i < N - 1; i++) {\n cin >> x >> y;\n tree[x].push_back(y);\n tree[y].push_back(x);\n }\n intree[1] = true;\n int ans = 0, c;\n for (int i = 0; i < (tree[1]).size(); i++) {\n tmp.clear();\n DFS(0, (tree[1])[i]);\n sort(tmp.begin(), tmp.end());\n c = tmp.size();\n for (int j = 0; j < c; j++) {\n ans = max(ans, tmp[j] + c - j);\n }\n }\n cout << ans << endl;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n ios_base::sync_with_stdio(false);\n int n;\n cin >> n;\n vector<string> v(n);\n for (int i = 0; i < n; i++) cin >> v[i];\n for (int i = 1; i < n - 1; i++) {\n for (int j = 1; j < n - 1; j++) {\n if (v[i][j] == '#' and v[i + 1][j] == '#' and v[i][j + 1] == '#' and\n v[i][j - 1] == '#' and v[i - 1][j] == '#') {\n v[i][j] = 'a';\n v[i + 1][j] = 'a';\n v[i][j + 1] = 'a';\n v[i][j - 1] = 'a';\n v[i - 1][j] = 'a';\n }\n }\n }\n int c = 0;\n for (int i = 0; i < n; i++)\n for (int j = 0; j < n; j++)\n if (v[i][j] == '#') {\n c = 1;\n break;\n }\n if (c)\n cout << NO << endl;\n else\n cout << YES << endl;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const long long N = 1e5 + 5;\n int32_t main() {\n ios::sync_with_stdio(0);\n cin.tie(0);\n cout.tie(0);\n ;\n long long n;\n cin >> n;\n long long con = -1;\n long long a[n + 5];\n for (long long i = 1; i <= n; i++) {\n cin >> a[i];\n }\n long long i = 1;\n for (i = 1; i < n; i++) {\n if (a[i + 1] == a[i]) {\n con = i;\n break;\n }\n }\n if (con == -1) {\n for (con = 1; con < n; con++) {\n if (a[con] > a[con + 1]) {\n break;\n }\n }\n }\n for (i = 1; i < con; i++) {\n if (a[i + 1] < a[i]) {\n cout << NO \n << \n ;\n return 0;\n }\n }\n while (a[con] == a[con + 1]) {\n con++;\n }\n for (i = con; i < n; i++) {\n if (a[i + 1] >= a[i]) {\n cout << NO \n << \n ;\n return 0;\n }\n }\n cout << YES \n << \n ;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using ll = long long;\n using namespace std;\n int main() {\n ios::sync_with_stdio(false);\n int N, K;\n cin >> N >> K;\n ll total = N + 1;\n total += N;\n total += min(2 * (K - 1) + (N - K), 2 * (N - K) + K - 1);\n cout << total << \n ;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int k, n[20], a[20][5010], g[32768], f[32768], hsh[301781], ps[301781],\n ans1[20], ans2[20], vis[20], TMS;\n pair<int, int> md[32768];\n long long sm[20];\n int get(int x) {\n int y = (x + 1000000001) % 301781;\n while (hsh[y] && hsh[y] ^ x + 1000000001) y = (y + 1) % 301781;\n return y;\n }\n void dg(int x, int s1, int s2) {\n if (x == k) {\n f[s2 + s1] |= f[s1] * g[s2];\n return;\n }\n dg(x + 1, s1, s2);\n dg(x + 1, s1, s2 + (1 << x));\n dg(x + 1, s1 + (1 << x), s2);\n }\n int main() {\n scanf( %d , &k);\n long long S = 0;\n for (int i = 0; i < k; ++i) {\n scanf( %d , n + i);\n for (int j = 0; j < n[i]; ++j) {\n int x;\n scanf( %d , &x);\n a[i][j] = x;\n sm[i] += x;\n S += x;\n int w = get(x);\n ps[w] = i;\n hsh[w] = x + 1000000001;\n }\n }\n if (S % k != 0) {\n printf( No );\n return 0;\n }\n S /= k;\n for (int i = 0; i < k; ++i)\n for (int j = 0; j < n[i]; ++j) {\n int st = 1 << i, nw = i;\n long long c = S - (sm[i] - a[i][j]);\n int P = 1;\n ++TMS;\n for (;;) {\n vis[nw] = TMS;\n if (abs(c) > 1000000000) {\n P = 0;\n break;\n }\n int w = get(c);\n if (!hsh[w]) {\n P = 0;\n break;\n }\n st |= 1 << ps[w];\n if (ps[w] == i) {\n P = c == a[i][j];\n break;\n }\n c = S - (sm[ps[w]] - c);\n nw = ps[w];\n if (vis[nw] == TMS) {\n P = 0;\n break;\n }\n }\n if (P) {\n md[st] = make_pair(i, j);\n g[st] = 1;\n }\n }\n f[0] = 1;\n dg(0, 0, 0);\n if (f[(1 << k) - 1]) {\n printf( Yes\n );\n int ST = (1 << k) - 1;\n while (ST) {\n for (int _ = ST; _; _ = (_ - 1) & ST)\n if (g[_] * f[ST - _]) {\n int i = md[_].first, j = md[_].second, nw = i;\n long long c = S - (sm[i] - a[i][j]), ls = a[i][j];\n for (;;) {\n int w = get(c);\n ans1[ps[w]] = c;\n ans2[ps[w]] = nw;\n if (ps[w] == i) break;\n ls = c;\n nw = ps[w];\n c = S - (sm[ps[w]] - c);\n }\n ST -= _;\n break;\n }\n }\n for (int i = 0; i < k; ++i) printf( %d %d\n , ans1[i], ans2[i] + 1);\n } else {\n printf( No );\n }\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n ios_base::sync_with_stdio(false);\n cin.tie(NULL);\n long long int test = 1;\n for (; test > 0; --test) {\n long long int n, a, b, c, d, c1 = 1, c2, c3, c4;\n cin >> n >> a >> b >> c >> d;\n c2 = c1 + b - c;\n c3 = c2 + a - d;\n c4 = c3 + c - b;\n long long int m = 1 - min(min(c1, c2), min(c3, c4)),\n m1 = max(max(c1, c2), max(c3, c4));\n if (m1 + abs(m) > n)\n cout << 0 << endl;\n else\n cout << (n - (m1 + abs(m)) + 1) * n << endl;\n }\n return (0);\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const long long int MAX = 1000000007;\n const long long int MAXN = 100010;\n int main() {\n ios_base::sync_with_stdio(false);\n cin.tie(NULL);\n cout.tie(NULL);\n long long int t;\n cin >> t;\n while (t--) {\n long long int n, k;\n cin >> n >> k;\n if (n % 2 == 0 && k % 2 == 1)\n cout << NO << endl;\n else if (n % 2 == 1 && k % 2 == 0)\n cout << NO << endl;\n else {\n if (k * k <= n)\n cout << YES << endl;\n else\n cout << NO << endl;\n }\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int d[250003];\n int main() {\n int i, j, k, n, m, t, a[501][501], b[501][501];\n cin >> t;\n while (t--) {\n cin >> n >> m;\n for (i = 0; i < n; i++)\n for (j = 0; j < m; j++) cin >> a[i][j], d[a[i][j]] = i;\n for (i = 0; i < m; i++)\n for (j = 0; j < n; j++) cin >> b[i][j];\n for (i = 0; i < n; i++) {\n for (j = 0; j < m; j++) {\n cout << a[d[b[0][i]]][j] << ;\n }\n cout << endl;\n }\n }\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n vector<pair<long long int, pair<long long int, long long int> > > P;\n int level[1007];\n double ans = 0;\n bool contains(pair<long long int, pair<long long int, long long int> > A,\n pair<long long int, pair<long long int, long long int> > B) {\n return (A.second.first - B.second.first) * (A.second.first - B.second.first) +\n (A.second.second - B.second.second) *\n (A.second.second - B.second.second) <\n (A.first) * (A.first);\n }\n int main() {\n long long int i, j, k, l, m, n, x, y, z, a, b, r;\n scanf( %lld , &n);\n for (i = 0; i < n; i++) {\n scanf( %lld , &x);\n scanf( %lld , &y);\n scanf( %lld , &r);\n P.push_back(make_pair(r, make_pair(x, y)));\n }\n sort(P.begin(), P.end());\n for (i = n - 1; i >= 0; i--) {\n for (j = n - 1; j > i; j--) {\n if (contains(P[j], P[i])) {\n level[i] = max(level[i], level[j] + 1);\n }\n }\n if (level[i] == 0) level[i] = 1;\n }\n for (i = 0; i < n; i++) {\n if (level[i] <= 2)\n ans += (P[i].first * P[i].first);\n else {\n if (level[i] % 2 == 1)\n ans -= (P[i].first * P[i].first);\n else\n ans += (P[i].first * P[i].first);\n }\n }\n printf( %.10lf\n , ans * 3.14159265358979);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n inline long long power(long long a, long long b) {\n long long x = 1;\n a = a % 1000000007ULL;\n while (b) {\n if (b & 1) x = (x * a) % 1000000007ULL;\n a = (a * a) % 1000000007ULL;\n b >>= 1;\n }\n return x;\n }\n inline long long inv(long long a) { return power(a, 1000000007ULL - 2); }\n long long gcd(long long a, long long b) { return a ? gcd(b % a, a) : b; }\n const int N = 2e5 + 5;\n vector<int> adj[N];\n int n, dis[N];\n bool vis[N];\n int cnt[N], p[N];\n int tdis[N];\n vector<int> d[N];\n void dfs(int u, int dd, int par) {\n vis[u] = true;\n if (dd < 3)\n tdis[u] = dd;\n else\n tdis[u] = N;\n dis[u] = dd;\n d[dd].push_back(u);\n p[u] = par;\n for (auto v : adj[u]) {\n if (!vis[v]) dfs(v, dd + 1, u);\n }\n }\n int main() {\n ios_base::sync_with_stdio(false);\n cin >> n;\n int u, v;\n for (int i = 1; i < n; i++) {\n cin >> u >> v;\n adj[u].push_back(v);\n adj[v].push_back(u);\n }\n dfs(1, 0, 0);\n int maxx = 0;\n for (int i = 0; i < n; i++) {\n if (d[i].size() == 0) break;\n maxx = i;\n }\n int ans = 0;\n for (int i = maxx; i > 1; i--) {\n for (auto v : d[i]) {\n if (dis[v] < 2 || tdis[v] == 2) continue;\n ans++;\n tdis[p[v]] = 2;\n for (auto j : adj[p[v]]) tdis[j] = 2;\n }\n }\n cout << ans << endl;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int mod = 998244353;\n long long a[300001];\n long long n, m, k;\n int b[300001];\n void solve() {\n cin >> n;\n for (int i = 0; i < n; ++i) {\n int x;\n cin >> x;\n a[x]++;\n b[a[x]] += a[x];\n k = (b[a[x]] >= i && b[a[x]] != n) ? b[a[x]] : k;\n }\n cout << k + 1;\n }\n int main() {\n ios_base::sync_with_stdio(false);\n cin.tie(NULL);\n cout.tie(NULL);\n int t = 1;\n while (t--) {\n solve();\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n char str[2020];\n long l;\n cin >> l;\n cin >> str;\n int i, j, hs = 0, ts = 0;\n for (i = 0; i < l; i++) {\n if (str[i] == 'H')\n hs++;\n else\n ts++;\n str[l + i] = str[i];\n }\n int res = 1000000000;\n int t;\n for (i = 0; i < l; i++) {\n t = 0;\n for (j = 0; j < hs; j++) {\n if (str[i + j] == 'T') t++;\n }\n if (t < res) res = t;\n t = 0;\n for (j = 0; j < ts; j++) {\n if (str[i + j] == 'H') t++;\n }\n if (t < res) res = t;\n }\n cout << res;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n long long a[1000000 + 100], f2, x1, x2, b[1000000 + 100], razl, sol, pok1, pok2;\n double f1;\n int main() {\n for (int i = 1; i <= 4; i++) cin >> a[i];\n f1 = sqrt(1 + 8 * a[1]) * 1.0;\n f2 = sqrt(1 + 8 * a[1]);\n if (f1 != f2) {\n printf( Impossible\n );\n return 0;\n }\n f1 = sqrt(1 + 8 * a[4]) * 1.0;\n f2 = sqrt(1 + 8 * a[4]);\n if (f1 != f2) {\n printf( Impossible\n );\n return 0;\n }\n x1 = 1 + sqrt(1 + 8 * a[1]);\n x1 /= 2;\n x2 = 1 + sqrt(1 + 8 * a[4]);\n x2 /= 2;\n if (a[1] == 0 && a[2] == 0 && a[3] == 0) x1 = 0;\n if (a[4] == 0 && a[2] == 0 && a[3] == 0) x2 = 0;\n if (a[2] + a[3] != x1 * x2) {\n printf( Impossible\n );\n return 0;\n }\n for (int i = 1; i <= x1; i++) b[i] = 0;\n for (int i = x1 + 1; i <= x1 + x2; i++) b[i] = 1;\n sol = x1 * x2;\n pok1 = x1;\n pok2 = x1 + x2;\n while (sol != a[2]) {\n if (sol - x2 > a[2])\n swap(b[pok1], b[pok2]), pok1--, pok2--, sol -= x2;\n else {\n swap(b[pok1], b[pok1 + sol - a[2]]);\n break;\n }\n }\n if (x1 + x2 == 0) printf( 0 );\n for (int i = 1; i <= x1 + x2; i++) cout << b[i];\n printf( \n );\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n void mohammed() {\n ios::sync_with_stdio(0);\n ios_base::sync_with_stdio(0);\n cin.tie(0), cout.tie(0);\n }\n int main() {\n mohammed();\n int n, x, y;\n cin >> n;\n map<int, int> mp;\n map<int, int>::iterator it;\n for (int i = 0; i < n; i++) {\n cin >> x >> y;\n mp[x]++;\n mp[y + 1]--;\n }\n x = 0;\n for (it = mp.begin(); it != mp.end(); it++) {\n it->second += x;\n if (it->second > 2) {\n cout << NO ;\n return 0;\n }\n x = it->second;\n }\n cout << YES ;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const double pi = acos(-1.0);\n template <typename T, typename U>\n inline void amin(T &x, U y) {\n if (y < x) x = y;\n }\n template <typename T, typename U>\n inline void amax(T &x, U y) {\n if (x < y) x = y;\n }\n template <class L, class R>\n ostream &operator<<(ostream &os, pair<L, R> P) {\n return os << ( << P.first << , << P.second << )\n ;\n }\n template <class T>\n ostream &operator<<(ostream &os, set<T> V) {\n os << [ ;\n for (auto vv : V) os << vv << , ;\n return os << \b\b]\n ;\n }\n template <class T>\n ostream &operator<<(ostream &os, vector<T> V) {\n os << [ ;\n for (auto vv : V) os << vv << , ;\n return os << \b\b]\n ;\n }\n template <class K, class X>\n ostream &operator<<(ostream &os, map<K, X> V) {\n os << [ ;\n for (auto vv : V) os << vv << , ;\n return os << \b\b]\n ;\n }\n long int ceildiv(long int n, long int f) {\n if (n % f) {\n return n / f + 1;\n } else\n return n / f;\n }\n string checkTicket(vector<long> first, vector<long> second) {\n int n = first.size();\n if (first[0] < second[0]) {\n for (int i = 0; i < n; i += 1) {\n if (first[i] >= second[i]) {\n return NO\n ;\n }\n }\n } else if (first[0] > second[0]) {\n for (int i = 0; i < n; i += 1) {\n if (first[i] <= second[i]) {\n return NO\n ;\n }\n }\n } else {\n return NO\n ;\n }\n return YES\n ;\n }\n int main() {\n long int n;\n cin >> n;\n string s;\n cin >> s;\n vector<long> first, second;\n for (int i = 0; i < n; i++) {\n first.push_back(s[i] - '0');\n }\n for (int i = n; i < 2 * n; i++) {\n second.push_back(s[i] - '0');\n }\n sort(first.begin(), first.end());\n sort(second.begin(), second.end());\n cerr << first << second;\n cout << checkTicket(first, second);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = 200005;\n int t[N];\n int p[N];\n int p2[N];\n int main() {\n std::ios::sync_with_stdio(0);\n cin.tie(0);\n cout.tie(0);\n int n;\n long long sum = 0;\n cin >> n;\n for (int i = 0; i <= n; i++) {\n cin >> t[i];\n sum += t[i];\n }\n bool amb = 0;\n for (int i = 1; i <= n; i++) {\n if (t[i] > 1 && t[i - 1] > 1) amb = 1;\n }\n if (!amb) {\n cout << perfect ;\n return 0;\n }\n cout << ambiguous << '\n';\n long long par = 1, k = 2;\n p[1] = 0;\n p2[1] = 0;\n for (int i = 1; i <= n; i++) {\n long long temp = k;\n for (int j = 0; j < t[i]; j++) {\n p[k] = par;\n p2[k] = par;\n k++;\n }\n par = temp;\n }\n k = 2;\n for (int i = 1; i <= n; i++) {\n if (t[i] > 1 && t[i - 1] > 1) {\n p2[k]++;\n break;\n } else\n k += t[i];\n }\n for (int i = 1; i <= sum; i++) cout << p[i] << ;\n cout << '\n';\n for (int i = 1; i <= sum; i++) cout << p2[i] << ;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n int n;\n cin >> n;\n long long sum1 = 0, sum2 = 0;\n long temp;\n for (int i = 0; i < n; i++) {\n cin >> temp;\n sum1 += temp;\n }\n for (int i = 0; i < n - 1; i++) {\n cin >> temp;\n sum2 += temp;\n }\n cout << sum1 - sum2 << \n ;\n for (int i = 0; i < n - 2; i++) {\n cin >> temp;\n sum2 -= temp;\n }\n cout << sum2;\n return (0);\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = (1 << 20) + 15;\n long long dp[N];\n pair<int, int> id[100];\n int bit[100], c[100], st[N];\n int main() {\n int u, a, mi, n, m, i, j, b, x, p = 0, idd;\n long long k, temp;\n long long ret = 4e18;\n scanf( %d%d%d , &n, &m, &b);\n for (i = 0; i < n; ++i) {\n scanf( %d%d%d , &c[i], &id[i].first, &mi);\n a = 0;\n for (j = 0; j < mi; ++j) scanf( %d , &u), a |= 1 << (u - 1);\n bit[i] = a;\n id[i].second = i;\n }\n memset(dp, -1, sizeof(dp));\n sort(id, id + n);\n dp[0] = 0;\n ++p;\n for (i = 0; i < n; ++i) {\n k = id[i].first, idd = id[i].second;\n if (dp[bit[idd]] != -1 && dp[bit[idd]] <= c[idd]) continue;\n x = p;\n for (j = 0; j < p; ++j) {\n u = st[j] | bit[idd];\n if (dp[u] == -1 && u != (1 << m) - 1) st[x++] = u;\n if (dp[u] == -1 || dp[u] > dp[st[j]] + c[idd]) dp[u] = dp[st[j]] + c[idd];\n }\n if (dp[(1 << m) - 1] != -1) ret = min(ret, k * b + dp[(1 << m) - 1]);\n p = x;\n }\n if (ret == 4e18) ret = -1;\n cout << ret << endl;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int cnt[1000100], a[1000100];\n int main() {\n int n, k, ans;\n scanf( %d , &n);\n scanf( %d , &k);\n for (long long i = 0; i < n; i++) scanf( %d , &a[i]);\n int l = 0, r = 0, al, ar;\n set<int> x;\n cnt[a[0]]++;\n x.insert(a[0]);\n ans = 1;\n al = 0, ar = 0;\n while (l < n && r < n) {\n r++;\n x.insert(a[r]);\n cnt[a[r]]++;\n while ((long long)x.size() > k && l <= r) {\n cnt[a[l]]--;\n if (cnt[a[l]] == 0) x.erase(a[l]);\n l++;\n }\n r = max(l, r);\n if (r >= n) break;\n if (r - l + 1 > ans) {\n al = l;\n ar = r;\n ans = r - l + 1;\n }\n }\n printf( %d %d\n , al + 1, ar + 1);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int M = 105;\n int l[M], r[M], t[M], c[M], res[M], p[M];\n int main() {\n int n, m;\n cin >> n >> m;\n for (int i = 0; i < m; ++i) {\n cin >> l[i] >> r[i] >> t[i] >> c[i];\n }\n for (int i = 1; i <= n; ++i) p[i] = INT_MAX;\n for (int i = 0; i < m; ++i)\n for (int j = l[i]; j <= r[i]; ++j)\n if (t[i] < p[j]) p[j] = t[i], res[j] = i;\n int sum = 0;\n for (int i = 1; i <= n; ++i)\n if (p[i] != INT_MAX) sum += c[res[i]];\n cout << sum << endl;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const long double EPS = 1e-9, pi = acos(-1);\n const long long N = 1e5 + 5;\n long long r[N], h[N], n, F[N], dp[N];\n bool cmp(pair<long long, long long> a, pair<long long, long long> b) {\n if (a.first == b.first) {\n return a.second < b.second;\n } else\n return a.first < b.first;\n }\n void add(long long d, long long id) {\n while (id <= n) {\n F[id] = max(F[id], d);\n id += (id & -id);\n }\n }\n long long get(long long i) {\n long long res = 0;\n while (i) {\n res = max(res, F[i]);\n i -= (i & -i);\n }\n return res;\n }\n signed main() {\n ios_base::sync_with_stdio(0);\n cin.tie(0);\n cin >> n;\n for (long long i = 1; i <= n; ++i) cin >> r[i] >> h[i];\n vector<pair<long long, long long> > A;\n A.clear();\n for (long long i = 1; i <= n; ++i) {\n A.push_back({r[i] * r[i] * h[i], i});\n }\n sort(A.begin(), A.end(), cmp);\n long long res = 0, id = 0, prev = A[0].first;\n for (long long i = 0; i < n; ++i) {\n if (prev != A[i].first) {\n while (id < i) {\n add(dp[id], A[id].second);\n id++;\n }\n }\n dp[i] = get(A[i].second) + A[i].first;\n res = max(res, dp[i]);\n prev = A[i].first;\n }\n cout << fixed << setprecision(9) << pi * res << endl;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n int t;\n cin >> t;\n string str;\n for (int i = 0; i < t; i++) {\n cin >> str;\n long long int res = 0;\n long long int arr[str.size()];\n if (str[0] == '+') {\n arr[0] = 1;\n } else {\n arr[0] = -1;\n }\n for (int j = 1; j < str.size(); j++) {\n if (str[j] == '+') {\n arr[j] = arr[j - 1] + 1;\n } else {\n arr[j] = arr[j - 1] - 1;\n }\n }\n int x = -1;\n for (int j = 0; j < str.size(); j++) {\n if (arr[j] == x) {\n res = res + j + 1;\n x--;\n }\n }\n res = res + str.size();\n cout << res << endl;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n template <typename T>\n void MACRO_VAR_Scan(T& t) {\n std::cin >> t;\n }\n template <typename First, typename... Rest>\n void MACRO_VAR_Scan(First& first, Rest&... rest) {\n std::cin >> first;\n MACRO_VAR_Scan(rest...);\n }\n template <typename T>\n void MACRO_VEC_ROW_Init(int n, T& t) {\n t.resize(n);\n }\n template <typename First, typename... Rest>\n void MACRO_VEC_ROW_Init(int n, First& first, Rest&... rest) {\n first.resize(n);\n MACRO_VEC_ROW_Init(n, rest...);\n }\n template <typename T>\n void MACRO_VEC_ROW_Scan(int p, T& t) {\n std::cin >> t[p];\n }\n template <typename First, typename... Rest>\n void MACRO_VEC_ROW_Scan(int p, First& first, Rest&... rest) {\n std::cin >> first[p];\n MACRO_VEC_ROW_Scan(p, rest...);\n }\n template <typename T>\n inline T CHMAX(T& a, const T b) {\n return a = (a < b) ? b : a;\n }\n template <typename T>\n inline T CHMIN(T& a, const T b) {\n return a = (a > b) ? b : a;\n }\n void CHECKTIME(std::function<void()> f) {\n auto start = std::chrono::system_clock::now();\n f();\n auto end = std::chrono::system_clock::now();\n auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start))\n .count();\n std::cerr << [Time: << res << ns ( << res / (1.0e9) << s)]\n ;\n }\n template <class T>\n std::vector<std::vector<T>> VV(int n, int m, T init = T()) {\n return std::vector<std::vector<T>>(n, std::vector<T>(m, init));\n }\n template <typename S, typename T>\n std::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {\n os << ( << p.first << , << p.second << ) ;\n return os;\n }\n using ll = long long;\n using ull = unsigned long long;\n using ld = long double;\n using PAIR = std::pair<ll, ll>;\n using PAIRLL = std::pair<ll, ll>;\n constexpr ll INFINT = 1 << 30;\n constexpr ll INFINT_LIM = (1LL << 31) - 1;\n constexpr ll INFLL = 1LL << 60;\n constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62);\n constexpr double EPS = 1e-9;\n constexpr ll MOD = 1000000007;\n constexpr double PI = 3.141592653589793238462643383279;\n template <class T, size_t N>\n void FILL(T (&a)[N], const T& val) {\n for (auto& x : a) x = val;\n }\n template <class ARY, size_t N, size_t M, class T>\n void FILL(ARY (&a)[N][M], const T& val) {\n for (auto& b : a) FILL(b, val);\n }\n template <class T>\n void FILL(std::vector<T>& a, const T& val) {\n for (auto& x : a) x = val;\n }\n template <class ARY, class T>\n void FILL(std::vector<std::vector<ARY>>& a, const T& val) {\n for (auto& b : a) FILL(b, val);\n }\n namespace FFT {\n const double pi = std::acos(-1);\n std::vector<std::complex<double>> tmp;\n size_t sz = 1;\n std::vector<std::complex<double>> fft(std::vector<std::complex<double>> a,\n bool inv = false) {\n size_t mask = sz - 1;\n size_t p = 0;\n for (size_t i = sz >> 1; i >= 1; i >>= 1) {\n auto& cur = (p & 1) ? tmp : a;\n auto& nex = (p & 1) ? a : tmp;\n std::complex<double> e = std::polar(1., 2 * pi * i * (inv ? -1 : 1) / sz);\n std::complex<double> w = 1;\n for (size_t j = 0; j < sz; j += i) {\n for (size_t k = 0; k < i; ++k) {\n nex[j + k] =\n cur[((j << 1) & mask) + k] + w * cur[(((j << 1) + i) & mask) + k];\n }\n w *= e;\n }\n ++p;\n }\n if (p & 1) std::swap(a, tmp);\n if (inv)\n for (size_t i = 0; i < sz; ++i) a[i] /= sz;\n return a;\n }\n std::vector<ll> mul(std::vector<ll> a, std::vector<ll> b) {\n size_t m = a.size() + b.size() - 1;\n sz = 1;\n while (m > sz) sz <<= 1;\n tmp.resize(sz);\n std::vector<std::complex<double>> A(sz), B(sz);\n for (size_t i = 0; i < a.size(); ++i) A[i].real(a[i]);\n for (size_t i = 0; i < b.size(); ++i) B[i].real(b[i]);\n A = fft(A);\n B = fft(B);\n for (size_t i = 0; i < sz; ++i) A[i] *= B[i];\n A = fft(A, true);\n a.resize(m);\n for (size_t i = 0; i < m; ++i) a[i] = std::round(A[i].real());\n return a;\n }\n }; // namespace FFT\n signed main() {\n std::ios::sync_with_stdio(false);\n std::cin.tie(0);\n ;\n ll n, x;\n MACRO_VAR_Scan(n, x);\n ;\n std::vector<ll> a(n);\n for (auto& i : a) std::cin >> i;\n ;\n for (ll i = 0; i < ll(n); ++i) a[i] = a[i] < x;\n std::vector<ll> b;\n {\n ll cnt = 0;\n for (ll i = 0; i < ll(n + 1); ++i) {\n if (i == n || a[i]) {\n b.emplace_back(cnt);\n cnt = 0;\n } else {\n ++cnt;\n }\n }\n }\n ll m = b.size();\n {\n ll ans = 0;\n for (ll i = 0; i < ll(m); ++i) {\n ans += (ll)b[i] * (b[i] + 1) / 2;\n }\n std::cout << (ans);\n ;\n }\n {\n for (ll i = 0; i < ll(m); ++i) ++b[i];\n auto bb(b);\n std::reverse((bb).begin(), (bb).end());\n auto c = FFT::mul(b, bb);\n std::vector<ll> ans(n, 0);\n ll p = 0;\n for (ll i = ll(m - 1) - 1; i >= 0; --i) {\n ans[p++] = c[i];\n }\n for (ll i = 0; i < ll(n); ++i) {\n std::cout << ;\n std::cout << (ans[i]);\n ;\n }\n std::cout << \n ;\n ;\n }\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int main() {\n int n, k;\n cin >> n >> k;\n for (int i = 0; i < k; i++) {\n if (n % 10 != 0) {\n n = n - 1;\n } else if (n % 10 == 0) {\n n = n / 10;\n }\n }\n cout << n;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int N = 5e5 + 100;\n template <class nmsl>\n inline void read(nmsl &x) {\n x = 0;\n char ch = getchar(), w = 0;\n while (!isdigit(ch)) w = (ch == '-'), ch = getchar();\n while (isdigit(ch)) x = (x << 1) + (x << 3) + (ch ^ 48), ch = getchar();\n x = w ? -x : x;\n }\n long long n, f[N], size[N], root[N], hd[N], bianshu, ans;\n struct abc {\n int nxt, to;\n } qwq[N * 2];\n inline void addedg(int lai, int qu) {\n qwq[++bianshu].nxt = hd[lai];\n qwq[bianshu].to = qu;\n hd[lai] = bianshu;\n }\n inline void first_dp(int u, int father) {\n size[u] = 1;\n for (register int i = hd[u]; i; i = qwq[i].nxt) {\n int v = qwq[i].to;\n if (v == father) continue;\n first_dp(v, u);\n size[u] += size[v];\n f[u] += f[v];\n }\n f[u] += size[u];\n return;\n }\n inline void dp(int u, int father) {\n f[u] = 0;\n for (register int i = hd[u]; i; i = qwq[i].nxt) {\n int v = qwq[i].to;\n f[u] += f[v];\n }\n long long tot = f[u] + n;\n ans = max(ans, tot);\n for (register int i = hd[u]; i; i = qwq[i].nxt) {\n int v = qwq[i].to;\n if (v == father) continue;\n size[u] = n - size[v];\n f[u] = tot - f[v] - size[v];\n dp(v, u);\n }\n }\n int main() {\n read(n);\n for (register int i = 1, qa, qb; i < n; i++)\n read(qa), read(qb), addedg(qa, qb), addedg(qb, qa);\n first_dp(1, 0);\n ans = f[1];\n dp(1, 0);\n cout << ans;\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n const int M = 3000;\n int n, m;\n pair<pair<int, int>, int> v[M];\n map<pair<pair<int, int>, int>, vector<pair<pair<int, int>, int> > > Q;\n int gcd(int a, int b) { return !b ? a : gcd(b, a % b); }\n pair<pair<int, int>, int> get(int x1, int y1, int x2, int y2) {\n int x = x2 - x1, y = y2 - y1;\n if (x == 0)\n y = 1;\n else if (y == 0)\n x = 1;\n else {\n int d = gcd(x, y);\n x /= d, y /= d;\n }\n if (x < 0) x = -x, y = -y;\n return make_pair(make_pair(x, y), y1 * x - x1 * y);\n }\n int sign(double x) {\n if (fabs(x) < 1E-6) return 0;\n return (x > 0) ? 1 : -1;\n }\n double dist(int x1, int y1, int x2, int y2) {\n return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));\n }\n bool cmp(pair<pair<int, int>, int> a, pair<pair<int, int>, int> b) {\n if (a.first != b.first) return a.first < b.first;\n return a.second > b.second;\n }\n int main() {\n Q.clear();\n scanf( %d%d , &n, &m);\n for (int i = 0; i < (n); i++) {\n int x1, y1, x2, y2;\n scanf( %d%d%d%d , &x1, &y1, &x2, &y2);\n x1 *= 2, y1 *= 2, x2 *= 2, y2 *= 2;\n if (make_pair(x1, y1) > make_pair(x2, y2)) {\n swap(x1, x2);\n swap(y1, y2);\n }\n pair<pair<int, int>, int> tmp = get(x1, y1, x2, y2);\n Q[tmp].push_back(make_pair(make_pair(x1, y1), 1));\n Q[tmp].push_back(make_pair(make_pair(x2, y2), -1));\n }\n for (int i = 0; i < (m); i++) {\n scanf( %d%d%d , &v[i].first.first, &v[i].first.second, &v[i].second);\n for (int j = 0; j < (i); j++) {\n if (v[i].second != v[j].second) continue;\n int x1 = v[i].first.first, y1 = v[i].first.second, r = v[i].second;\n int x2 = v[j].first.first, y2 = v[j].first.second;\n if (sign(2 * r - dist(x1, y1, x2, y2)) >= 0) continue;\n int x0 = x1 + x2, y0 = y1 + y2;\n int x = x2 * 2 - x0, y = y2 * 2 - y0;\n pair<pair<int, int>, int> tmp = get(x0, y0, x0 - y, y0 + x);\n if (Q.find(tmp) == Q.end()) continue;\n Q[tmp].push_back(make_pair(make_pair(x0, y0), 0));\n }\n }\n int ret = 0;\n for (__typeof(Q.begin()) it = Q.begin(); it != Q.end(); it++) {\n sort(it->second.begin(), it->second.end(), cmp);\n int now = 0;\n for (__typeof(it->second.begin()) t = it->second.begin();\n t != it->second.end(); t++) {\n if (t->second == 0) ret += now;\n now += t->second;\n }\n }\n printf( %d\n , ret);\n return 0;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n int mpow(int base, int exp);\n void solve() {\n long double n;\n cin >> n;\n long double sum = 0;\n while (n) {\n long double d;\n d = (1) * 1.0 / n;\n sum += d;\n n--;\n }\n cout << sum << '\n';\n }\n int main() {\n ios_base::sync_with_stdio(false);\n cin.tie(NULL);\n cout.tie(NULL);\n ;\n solve();\n return 0;\n }\n int mpow(int base, int exp) {\n base %= 1000000007;\n int result = 1;\n while (exp > 0) {\n if (exp & 1) result = ((long long int)result * base) % 1000000007;\n base = ((long long int)base * base) % 1000000007;\n exp >>= 1;\n }\n return result;\n }\n "}
{"func_code_string": "#include <bits/stdc++.h>\n using namespace std;\n long long unsigned int countDivisors(long long unsigned int n) {\n long long unsigned int cnt = 0;\n for (long long unsigned int i = 1; i <= sqrt(n); i++) {\n if (n % i == 0) {\n if (n / i == i)\n ++cnt;\n else\n cnt += 2;\n }\n }\n return cnt;\n }\n int Search(string pat, string txt) {\n int n = txt.size();\n int m = pat.size();\n for (int i = 0; i <= n - m; i++) {\n int j;\n for (j = 0; j < m; j++) {\n if (txt[i + j] != pat[j]) {\n break;\n }\n }\n if (j == m) {\n return i;\n }\n }\n return -1;\n }\n int findFirst(const std::vector<long long int> &array, int key, int low,\n int high) {\n int ans = -1;\n while (low <= high) {\n int mid = low + (high - low) / 2;\n if (key == array[mid]) {\n ans = mid;\n high = mid - 1;\n } else if (key > array[mid])\n low = mid + 1;\n else\n high = mid - 1;\n }\n return ans;\n }\n int findLast(const std::vector<long long int> &array, int key, int low,\n int high) {\n int ans = -1;\n while (low <= high) {\n int mid = low + (high - low) / 2;\n if (key == array[mid]) {\n ans = mid;\n low = mid + 1;\n } else if (key > array[mid])\n low = mid + 1;\n else\n high = mid - 1;\n }\n return ans;\n }\n int d, x, y;\n void extendedEuclid(int a, int b) {\n if (b == 0) {\n d = 1;\n x = 1;\n y = 0;\n } else {\n extendedEuclid(b, a % b);\n int temp = x;\n x = y;\n y = temp - (a / b) * y;\n }\n }\n int main() {\n std::ios::sync_with_stdio(false);\n cin.tie(NULL);\n cout.tie(NULL);\n ;\n int t;\n t = 1;\n for (int tc = 0; tc < t; tc++) {\n int n;\n cin >> n;\n vector<int> arr(n), brr(n, 0), v;\n for (int i1 = 0; i1 < n; i1++) cin >> arr[i1];\n int pos = 0;\n for (int i = 0; i < n; i++) {\n int indx = n - arr[i];\n brr[indx] = 1;\n while (brr[pos] == 1 && pos < n) {\n cout << (n - pos) << ;\n pos++;\n }\n cout << endl;\n }\n }\n return 0;\n }\n "}
|