Language: C++

#define _GLIBCXX_DEBUG
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int D;
ll G;
vector<int> p;
vector<int> c;
vector<bool> sel;
int ans = 1000000;
void dfs(ll total, int num){
    if(sel.size()==D) {
        if(total>=G){
            ans = min(ans, num);
            return;
        }else{
            for (int i = D-1; i >= 0; i--)
            {
                if(!sel[i]){
                    if((G-total)/((i+1)*100)<p[i]){
                        num += max((G-total)/((i+1)*100), 1);
                        ans = min(num, ans);
                    }
                    break;
                }
            }
            return;
        }
    }
    for (int i = 0; i < 2; i++)
    {
        sel.push_back(i);
        int it = sel.size();
        ll tmp = (i)? total+(it)*100*p[it-1]+c[it-1]:total;
        dfs(tmp, num+p[it-1]*i);
        sel.pop_back();
    }
    
}
int main() {
    cin >> D >> G;
  	p.resize(D);
  	c.resize(D);
    for (int i = 0; i < D; i++)
    {
        cin >> p[i] >> c[i];
    }
    dfs(0, 0);
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'void dfs(ll, int)':
a.cc:21:35: error: no matching function for call to 'max(ll, int)'
   21 |                         num += max((G-total)/((i+1)*100), 1);
      |                                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:21:35: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   21 |                         num += max((G-total)/((i+1)*100), 1);
      |                                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:21:35: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |                         num += max((G-total)/((i+1)*100), 1);
      |                                ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~