func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 105;   int answer[N][4];   int main() {     int n, m;     cin >> n >> m;     int k = 0;     for (int i = 1; i <= n; ++i) {       if (k == m) break;       answer[i][0] = ++k;       if (k == m) break;       answer[i][3] = ++k;     }     for (int i = 1; i <= n; ++i) {       if (k == m) break;       answer[i][1] = ++k;       if (k == m) break;       answer[i][2] = ++k;     }     for (int i = 1; i <= n; ++i) {       if (answer[i][1]) cout << answer[i][1] <<    ;       if (answer[i][0]) cout << answer[i][0] <<    ;       if (answer[i][2]) cout << answer[i][2] <<    ;       if (answer[i][3]) cout << answer[i][3] <<    ;     }   }   