func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 500010;   const int M = 16;   const int inf = 0x3f3f3f3f;   const int S = 1 << 15;   map<string, int> mp;   int vs[15], n, m;   char s[N][12], sx[12];   int dp[S], cnt[S][16];   int cal(int st) {     int res = 0;     while (st) {       if (st & 1) res++;       st >>= 1;     }     return res;   }   void prepare() {     for (int i = 0; i < S; ++i) {       int tmp = i;       for (int j = 0; j < M; ++j) {         tmp >>= 1;         cnt[i][j] = cal(tmp);       }     }   }   int stx[N], pre[M];   int main() {     prepare();     ios::sync_with_stdio(0);     scanf( %d , &n);     for (int i = 0; i < n; ++i) {       scanf( %s , sx);       mp[sx] = i;     }     int ans1 = -1, ans2 = 0, ans3 = 0;     scanf( %d , &m);     for (int i = 0; i < m; ++i) {       int k;       scanf( %d , &k);       memset(vs, 0, sizeof vs);       for (int j = 0; j < k; ++j) {         scanf( %s , s[j]);         if (mp.find(s[j]) == mp.end()) continue;         vs[mp[s[j]]] = 1;       }       int f = 0;       for (int j = 0; j < n && !f; ++j)         if (!vs[j]) f = 1;       if (f) continue;       int v = 0;       memset(dp, 0x3f, sizeof dp);       dp[0] = 0;       int pre = 0;       for (int j = 0; j < k; ++j) {         if (mp.find(s[j]) == mp.end()) continue;         int id = mp[s[j]], vst = 1 << id;         if (pre & (1 << id)) continue;         pre = (pre & ((1 << id) - 1) | (1 << id));         for (int st = stx[j] & (vst - 1); st < (1 << n); ++st)           if ((st & vst) == 0) {             dp[st | vst] = min(dp[st | vst], dp[st] + cnt[st][id]);           }       }       int tmp = n * (n - 1) / 2 - dp[(1 << n) - 1] + 1;       if (ans1 == -1 || tmp > ans2 || (tmp == ans2 && dp[(1 << n) - 1] < ans3)) {         ans1 = i;         ans2 = tmp;         ans3 = dp[(1 << n) - 1];       }     }     if (ans1 == -1)       puts( Brand new problem! );     else {       printf( %d n , ans1 + 1);       printf( %s ,  [: );       for (int i = 0; i < ans2; ++i) putchar( | );       puts( :] );     }     return 0;   }   