func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int k[n][n];     for (int j = 0; j < n; j++)       for (int i = 0; i < n; i++) k[i][j] = (i)*n + j + 1;     for (int i = 0; i < n; i += 2) reverse(k[i], k[i] + n);     for (int j = n - 1; j >= 0; j--) {       for (int i = 0; i < n; i++) cout << k[i][j] <<    ;       cout << endl;     }     return 0;   }   