func_code_string: #include <bits/stdc++.h>   using namespace std;   long long m;   inline long long Nr(long long n) {     long long cnt = 0, k, lim, put;     for (k = 2; 1LL * k * k * k <= n; ++k) {       put = 1LL * k * k * k;       lim = n / put;       if (1LL * lim * put > n) --lim;       if (1LL * (lim + 1) * put <= n) ++lim;       cnt += lim;     }     return cnt;   }   int main() {     int i, j, x, y;     cin >> m;     long long st = 0, dr = 100000000000000000LL, mij, sol = -1;     while (st <= dr) {       mij = (st + dr) / 2;       long long x = Nr(mij);       if (x > m)         dr = mij - 1;       else if (x < m)         st = mij + 1;       else {         sol = mij;         dr = mij - 1;       }     }     cout << sol;     return 0;   }   