Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#define MAX 100010

using namespace std;

int w,h;
vector<pair<int,int> > v;
long long a,b;
long long ans;

int main() {
    cin >> w >> h;
    for (int i = 0; i < w; i++) {
        int p;
        cin >> p;
        v.push_back(make_pair(p,0));
    }
    for (int i = 0; i < h; i++) {
        int p;
        cin >> p;
        v.push_back(make_pair(p,1));
    }

    sort(v.begin(),v.end());

    for (auto p : v) {
        long long c = p.first;
        if (p.second == 0) {
            ans += c * (w - max(b-1,0));
            a++;
        } else {
            ans += c * (w - max(a-1,0));
            b++;
        }
    }

    cout << ans << '\n';
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:32: error: no matching function for call to 'max(long long int, int)'
   31 |             ans += c * (w - max(b-1,0));
      |                             ~~~^~~~~~~
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: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:31:32: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |             ans += c * (w - max(b-1,0));
      |                             ~~~^~~~~~~
/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,
                 from a.cc:2:
/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:31:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |             ans += c * (w - max(b-1,0));
      |                             ~~~^~~~~~~
a.cc:34:32: error: no matching function for call to 'max(long long int, int)'
   34 |             ans += c * (w - max(a-1,0));
      |                             ~~~^~~~~~~
/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:34:32: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   34 |             ans += c * (w - max(a-1,0));
      |                             ~~~^~~~~~~
/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:34:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   34 |             ans += c * (w - max(a-1,0));
      |                             ~~~^~~~~~~