Language: C++

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>

#define pb push_back
#define int long long
#define ld long double
using namespace std;
const int M = 1000000007;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int n, a;
    cin >> n >> a;
    __int128 ANS = n + a;
    for (int x = 2; x <= min(n, 2e6); x++) {
        int p = 1;
        int lol = 0;
        while (p <= n) {
            int rest = (n + p - 1) / p;
            int kek = 0;
            int heh = 1;
            while (heh < rest) {
                heh *= x;
                kek++;
            }
            __int128 bruh = x * kek + (x - 1) * lol + a * (kek + lol);
            ANS = min(ANS, bruh);
            p *= (x - 1);
            lol++;
            if (x == 2) break;
        }
    }
    ANS -= a;
    cout << (int) ANS << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:29: error: no matching function for call to 'min(long long int&, double)'
   34 |     for (int x = 2; x <= min(n, 2e6); x++) {
      |                          ~~~^~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:34:29: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'double')
   34 |     for (int x = 2; x <= min(n, 2e6); x++) {
      |                          ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:34:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   34 |     for (int x = 2; x <= min(n, 2e6); x++) {
      |                          ~~~^~~~~~~~