func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m;   int main() {     cin.tie(0);     ios_base::sync_with_stdio(0);     cin >> n >> m;     int finalPos[4 * n];     memset(finalPos, -1, sizeof(finalPos));     for (int i = (2 * n) + 1, j = 0; i <= m; i++, j += 2) {       finalPos[j] = i;     }     for (int i = 1, j = 1; i <= (2 * n) && i <= m; i++, j += 2) finalPos[j] = i;     for (int i = 0; i < (4 * n); i++) {       if (finalPos[i] != -1) cout << finalPos[i] <<    ;     }     cout << endl;     return 0;   }   