func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m;   int p[30];   char A[30], ch[205];   int d[405][405];   int now[205], minv[205], minc[205];   int fan(int x) { return (x > n) ? (x - n) : (x + n); }   int main() {     scanf( %s , A);     int tot = strlen(A);     for (int i = 0; i < tot; ++i) {       p[i] = A[i] ==  V ;     }     minv[0] = minc[0] = 26;     for (int i = 0; i < tot; ++i) {       if (p[i]) {         minv[0] = i;         break;       }     }     for (int i = 0; i < tot; ++i) {       if (p[i] == 0) {         minc[0] = i;         break;       }     }     scanf( %d%d , &n, &m);     int x, y;     char chx[2], chy[2];     for (int i = 0; i < m; ++i) {       scanf( %d%s%d%s , &x, chx, &y, chy);       if (chx[0] ==  V ) x += n;       if (chy[0] ==  V ) y += n;       d[x][y] = 1;       d[fan(y)][fan(x)] = 1;     }     for (int i = 1; i <= 2 * n; ++i) {       d[i][i] = 1;     }     for (int k = 1; k <= 2 * n; ++k) {       for (int i = 1; i <= 2 * n; ++i) {         for (int j = 1; j <= 2 * n; ++j) {           d[i][j] |= d[i][k] & d[k][j];         }       }     }     for (int i = 1; i <= n; ++i) {       minv[i] = minv[0];       minc[i] = minc[0];       for (int j = 1; j <= n; ++j) {         if (d[i][j] && d[i][j + n]) {           minc[i] = 26;         }         if (d[i + n][j] && d[i + n][j + n]) {           minv[i] = 26;         }       }     }     scanf( %s , ch + 1);     for (int i = n + 1; i >= 1; --i) {       memset(now, -1, sizeof(now));       int iminv = 26, iminc = 26;       if (minv[i] != 26)         for (int j = ch[i] -  a  + 1; j < tot; ++j) {           if (p[j]) {             iminv = j;             break;           }         }       if (minc[i] != 26)         for (int j = ch[i] -  a  + 1; j < tot; ++j) {           if (p[j] == 0) {             iminc = j;             break;           }         }       int flag = 1;       for (int j = 1; j < i; ++j) {         now[j] = ch[j] -  a ;       }       for (int j = 1; j < i; ++j) {         int type = p[now[j]];         if (type == 0 && minc[j] == 26) {           flag = 0;           break;         }         if (type == 1 && minv[j] == 26) {           flag = 0;           break;         }         for (int k = 1; k <= n; ++k) {           if (d[j + type * n][k]) {             if (now[k] != -1) {               if (p[now[k]] != 0) {                 flag = 0;                 break;               }             } else {               if (k != i)                 now[k] = minc[k];               else                 now[k] = iminc;             }           }           if (d[j + type * n][k + n]) {             if (now[k] != -1) {               if (p[now[k]] != 1) {                 flag = 0;                 break;               }             } else {               if (k != i)                 now[k] = minv[k];               else                 now[k] = iminv;             }           }         }       }       for (int j = i; j <= n; ++j) {         if (now[j] != -1) continue;         if (j != i) {           now[j] = min(minv[j], minc[j]);         } else {           now[j] = min(iminv, iminc);         }         int type = p[now[j]];         for (int k = 1; k <= n; ++k) {           if (d[j + type * n][k]) {             if (now[k] != -1) {               if (p[now[k]] != 0) {                 flag = 0;                 break;               }             } else {               if (k != i)                 now[k] = minc[k];               else                 now[k] = iminc;             }           }           if (d[j + type * n][k + n]) {             if (now[k] != -1) {               if (p[now[k]] != 1) {                 flag = 0;                 break;               }             } else {               if (k != i)                 now[k] = minv[k];               else                 now[k] = iminv;             }           }         }       }       for (int i = 1; i <= n; ++i) {         if (now[i] == 26) {           flag = 0;           break;         }       }       if (flag) {         for (int i = 1; i <= n; ++i) {           printf( %c , now[i] +  a );         }         return 0;       }     }     puts( -1 );     return 0;   }   