func_code_string: #include <bits/stdc++.h>   #pragma comment(linker,  /STACK:268435456 )   using namespace std;   long long _gcd(long long a, long long b) {     if (b == 0) return a;     _gcd(b, a % b);   }   int main() {     int n, m, k, a[20500][10], res[20500] = {0}, b[20500][10] = {0};     cin >> n >> m >> k;     for (int i = 0; i < n; ++i)       for (int j = 0; j < m; ++j) cin >> a[i][j];     for (int i = 0; i < k; ++i) {       int l, r;       cin >> l >> r;       l--;       r--;       b[0][r]++;       b[l][r]--;       b[l + 1][r]++;       b[n][r]--;     }     for (int i = 0; i < m; ++i) {       for (int j = 1; j < n; ++j) b[j][i] += b[j - 1][i];     }     for (int i = 0; i < n; ++i) {       for (int j = 0; j < m; ++j)         if (a[i][j] == 1) res[i] += b[i][j];     }     for (int i = 0; i < n; ++i) cout << res[i] <<    ;   }   