Language: C++

#include <bits/stdc++.h>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <math.h>
#include <stdio.h>
#include <climits>
#include <cfloat>
#include <string>
#include <unordered_map>
using namespace std;



int main(){
	long long int n;
	cin >> n;
	vector<long long int> a(n), b(n);
	for(long long int i=0;i<n;i++){
		b.at(i) = 0;
	}
	for(long long int i=0;i<n;i++){
		cin >> a.at(i);
		b.at((a.at(i)-1))++;
	}
	long long int num = 0;
	for(long long int i=0;i<n;i++){
		if(b.at(i) >= 2){
			long long int m = (b.at(i)*(b.at(i)-1))/2;
			num += m;
		}
	}
	for(long long int i=0;i<n;i++){
		long long int ans = num;
		long long int p = max(b.at(a.at(i)-1)*(b.at(a.at(i)-1)-1)/2,0);
		long long int q = max((b.at(a.at(i)-1)-1)*(b.at(a.at(i)-1)-2)/2,0);
		ans -= p;
		ans += q;
		cout << ans << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:38: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type, int)'
   35 |                 long long int p = max(b.at(a.at(i)-1)*(b.at(a.at(i)-1)-1)/2,0);
      |                                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:35:38: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   35 |                 long long int p = max(b.at(a.at(i)-1)*(b.at(a.at(i)-1)-1)/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
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:35:38: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   35 |                 long long int p = max(b.at(a.at(i)-1)*(b.at(a.at(i)-1)-1)/2,0);
      |                                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:36:38: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type, int)'
   36 |                 long long int q = max((b.at(a.at(i)-1)-1)*(b.at(a.at(i)-1)-2)/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:36:38: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   36 |                 long long int q = max((b.at(a.at(i)-1)-1)*(b.at(a.at(i)-1)-2)/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:36:38: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   36 |                 long long int q = max((b.at(a.at(i)-1)-1)*(b.at(a.at(i)-1)-2)/2,0);
      |                                   ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~