Language: C++

#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<math.h>
#include<complex>
#include<queue>
#include<deque>
#include<stack>
#include<map>
#include<set>
#include<bitset>
#include<functional>
#include<assert.h>
#include<numeric>
using namespace std;
#define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i )
#define rep(i,n) REP(i,0,n)
#define pll pair<ll,ll>
#define pint pll
using ll = long long;
const int inf=1e9+7;
const ll longinf=1LL<<60 ;
const ll mod=1e9+7 ;

ll all[200020];
ll dp[200020];

int main(){
  int n;
  cin >> n;
  ll a[n];
  rep(i,n){
    cin >> a[i];
    a[i]--;
  }
  rep(i,n)all[a[i]]++;
  rep(i,n){
    if(i==a[0])dp[0]+=max(((all[i]-1)*(all[i]-2))/2,0);
    else dp[0]+=(all[i]*(all[i]-1))/2;
  }
  rep(i,n){
    if(i==0)continue;
    dp[i]=dp[i-1];
    dp[i]+=all[a[i-1]]-1;
    dp[i]-=all[a[i]]-1;
  }
  rep(i,n)cout << dp[i] << endl;
return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:26: error: no matching function for call to 'max(ll, int)'
   40 |     if(i==a[0])dp[0]+=max(((all[i]-1)*(all[i]-2))/2,0);
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:40:26: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   40 |     if(i==a[0])dp[0]+=max(((all[i]-1)*(all[i]-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
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:3:
/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:40:26: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   40 |     if(i==a[0])dp[0]+=max(((all[i]-1)*(all[i]-2))/2,0);
      |                       ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~