Language: C++

#include <bits/stdc++.h>
using namespace std;

void Main()
{
    int n;
    cin >> n;
    int a[n];
    long count[n+1] = {0};
    for(int i=0; i<n; ++i){
        cin >> a[i];
        count[a[i]] += 1;
    }
    long ans[n+1];
    long total = 0;
    long ans_k[n+1];
    for(int i=1; i<=n; ++i){
        int c1 = max(count[i], 0);
        int c2 = max(count[i]-1, 0);
        int c3 = max(count[i]-2, 0);
        ans[i] = c1*c2/2;
        ans_k[i] = c1*c2/2 - c2*c3/2;
        total += ans[i];
    }
    long ans_ak[n+1] = {0};
    for(int i=1; i<=n; ++i){
        ans_ak[i] = total - ans_k[i];
    }
    for(int k=0; k<n; ++k){
        cout << ans_ak[a[k]] << endl;
    }
}

int main(int argc, char **argv)
{
    Main();
    return 0;
}


Compiler output:
a.cc: In function 'void Main()':
a.cc:18:21: error: no matching function for call to 'max(long int&, int)'
   18 |         int c1 = max(count[i], 0);
      |                  ~~~^~~~~~~~~~~~~
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:18:21: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   18 |         int c1 = max(count[i], 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:
/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:18:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   18 |         int c1 = max(count[i], 0);
      |                  ~~~^~~~~~~~~~~~~
a.cc:19:21: error: no matching function for call to 'max(long int, int)'
   19 |         int c2 = max(count[i]-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:19:21: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   19 |         int c2 = max(count[i]-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:19:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   19 |         int c2 = max(count[i]-1, 0);
      |                  ~~~^~~~~~~~~~~~~~~
a.cc:20:21: error: no matching function for call to 'max(long int, int)'
   20 |         int c3 = max(count[i]-2, 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:20:21: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   20 |         int c3 = max(count[i]-2, 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:20:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   20 |         int c3 = max(count[i]-2, 0);
      |                  ~~~^~~~~~~~~~~~~~~