func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int na, ma, nb, mb;     cin >> na >> ma;     char ch1[na + 5][ma + 5];     for (int i = 1; i <= na; i++) {       for (int j = 1; j <= ma; j++) {         cin >> ch1[i][j];       }     }     cin >> nb >> mb;     char ch2[nb + 5][mb + 5];     for (int i = 1; i <= nb; i++) {       for (int j = 1; j <= mb; j++) {         cin >> ch2[i][j];       }     }     int x = -1, y = -1, mx = -1;     for (int xx = -50; xx <= 50; xx++) {       for (int yy = -50; yy <= 50; yy++) {         int sum = 0;         for (int i = 1; i <= na; i++) {           for (int j = 1; j <= ma; j++) {             if (((i + xx) >= 1 && (i + xx) <= nb) &&                 ((j + yy) >= 1 && (j + yy) <= mb)) {               sum += (ch1[i][j] -  0 ) * (ch2[i + xx][j + yy] -  0 );             }           }         }         if (sum > mx) {           mx = sum;           x = xx;           y = yy;         }       }     }     cout << x <<     << y <<   n ;     return 0;   }   