func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[503][503];   int max_row[503];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     int n, m, q, i, j, mxi, cnt, x, y;     cin >> n >> m >> q;     for (i = 1; i <= n; i++) {       mxi = 0, cnt = 0;       for (j = 1; j <= m; j++) {         cin >> a[i][j];         if (a[i][j])           cnt++;         else           cnt = 0;         mxi = ((mxi > cnt) ? mxi : cnt);       }       max_row[i] = mxi;     }     for (i = 0; i < q; i++) {       cin >> x >> y;       a[x][y] ^= 1;       cnt = 0, mxi = 0;       for (j = 1; j <= m; j++) {         if (a[x][j])           cnt++;         else           cnt = 0;         mxi = ((mxi > cnt) ? mxi : cnt);       }       max_row[x] = mxi;       mxi = 0;       for (j = 1; j <= n; j++) mxi = ((mxi > max_row[j]) ? mxi : max_row[j]);       cout << mxi << endl;     }   }   