func_code_string: #include <bits/stdc++.h>   using namespace std;   char a[51][51], b[51][51];   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     int ax, ay, bx, by, xx, yy, s = 0, ans = 0;     cin >> ax >> ay;     for (int i = 1; i <= ax; i++) {       for (int j = 1; j <= ay; j++) cin >> a[i][j];     }     cin >> bx >> by;     for (int i = 1; i <= bx; i++) {       for (int j = 1; j <= by; j++) cin >> b[i][j];     }     for (int x = -50; x <= 50; x++) {       for (int y = -50; y <= 50; y++) {         s = 0;         for (int i = 1; i <= ax; i++) {           for (int j = 1; j <= ay; j++) {             if (((i + x >= 1) && (i + x <= bx)) &&                 ((j + y >= 1) && (j + y <= by))) {               s += (a[i][j] -  0 ) * (b[i + x][j + y] -  0 );             }           }         }         if (s >= ans) {           ans = s;           xx = x;           yy = y;         }       }     }     cout << xx <<     << yy;     return 0;   }   