func_code_string: #include <bits/stdc++.h>   using namespace std;   const double pi = acos(-1.0);   long long chess[5][2004][2004];   int main() {     ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);     int N, r1, r2, c1, c2;     cin >> N;     for (int i = 1; i < N + 1; i += 1)       for (int j = 1; j < N + 1; j += 1)         cin >> chess[0][i][j],             chess[1][i][j] = chess[0][i][j] + chess[1][i - 1][j - 1],             chess[2][i][j] = chess[0][i][j] + chess[2][i - 1][j + 1];     for (int i = N; i >= 1; i -= 1)       for (int j = N; j >= 1; j -= 1)         chess[3][i][j] = chess[0][i][j] + chess[3][i + 1][j + 1],         chess[4][i][j] = chess[0][i][j] + chess[4][i + 1][j - 1];     long long ec = -1, oc = -1, t;     for (int i = 1; i < N + 1; i += 1)       for (int j = 1; j < N + 1; j += 1) {         t = chess[0][i][j] + chess[1][i - 1][j - 1] + chess[2][i - 1][j + 1] +             chess[3][i + 1][j + 1] + chess[4][i + 1][j - 1];         if (i + j & 1 && oc < t)           r1 = i, c1 = j, oc = t;         else if ((i + j & 1) == 0 && ec < t)           r2 = i, c2 = j, ec = t;       }     cout << oc + ec <<   n  << r1 <<     << c1 <<     << r2 <<     << c2 <<   n ;   }   