func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, k, ans, now;   int v[505][505];   int main() {     scanf( %d%d , &n, &k);     now = n * n;     for (int i = n; i >= 1; i--)       for (int h = n; h >= k; h--) v[i][h] = now--;     now = 1;     for (int i = 1; i <= n; i++)       for (int h = 1; h < k; h++) v[i][h] = now++;     for (int i = 1; i <= n; i++) ans += v[i][k];     printf( %d n , ans);     for (int i = 1; i <= n; i++) {       for (int h = 1; h <= n; h++) cout << v[i][h] <<    ;       cout <<   n ;     }   }   