Language: C++

#include<iostream>
#include<algorithm>
#include<map>
#include<vector>

using namespace std;

int main(){
  int n,m;
  map<int,long long>mp;
  vector<long long> a(n);
  int i,j;
  for(i=0;i<n;i++){
    cin >> a[i];
  }
  for(i=0;i<m;i++){
    int x,y;
    cin >> x >> y;
    if(mp[y]==0)a.push_back(y);
    mp[y]+=x;
  }
  sort(a.begin(),a.end());
  reverse(a.begin(),a.end());
  long long cnt=0,ret=0;
  i=0;
  while(cnt!=0){
    int x=mp[a[i]];
    if(x==0){
      cnt++;
      ret+=a[i];
    }else{
      cnt+=min(x,n-cnt);
      ret+=a[i]*min(x,n-cnt);
    }
    i++;
  }
  cout << ret << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:15: error: no matching function for call to 'min(int&, long long int)'
   32 |       cnt+=min(x,n-cnt);
      |            ~~~^~~~~~~~~
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:32:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   32 |       cnt+=min(x,n-cnt);
      |            ~~~^~~~~~~~~
/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:2:
/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:32:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   32 |       cnt+=min(x,n-cnt);
      |            ~~~^~~~~~~~~
a.cc:33:20: error: no matching function for call to 'min(int&, long long int)'
   33 |       ret+=a[i]*min(x,n-cnt);
      |                 ~~~^~~~~~~~~
/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:33:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   33 |       ret+=a[i]*min(x,n-cnt);
      |                 ~~~^~~~~~~~~
/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
/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:33:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   33 |       ret+=a[i]*min(x,n-cnt);
      |                 ~~~^~~~~~~~~