Language: C++

#include <bits/stdc++.h>
#include <cmath>
using namespace std;
int main(){
  long int A,B,C,X,Y,s;cin>>A>>B>>C>>X>>Y;s=A*X+B*Y;
  for(long int i=0;i<=2*max(X,Y);i++){
    s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
  }
  cout<<s<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: no matching function for call to 'max(long int, int)'
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |             ~~~^~~~~~~~~~~~~
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:1:
/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:7:16: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |             ~~~^~~~~~~~~~~~~
/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:7:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |             ~~~^~~~~~~~~~~~~
a.cc:7:35: error: no matching function for call to 'max(long int, int)'
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |                                ~~~^~~~~~~~~~~~~
/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:7:35: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |                                ~~~^~~~~~~~~~~~~
/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
/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:7:35: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
    7 |     s=min(s,max(X-(i-1)/2,0)*A+max(Y-(i-1)/2,0)*B);
      |                                ~~~^~~~~~~~~~~~~