Language: C++

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

#define INF 1e9+7
#define pf2 pop_front
#define pb2 pop_back
#define pb push_back
#define pf push_front
#define fi first
#define se second
#define sz size
#define eps 1e-7
#define fod find_by_order
#define fastio ios::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
#define ofk order_of_key
#define val(x) cout << "Value dari "<< #x << " adalah " << x  << "\n"
#define tr tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
typedef long long ll;
using namespace __gnu_pbds;
using namespace std;

int dx[8] = {1,0,-1,0,1,1,-1,-1};
int dy[8] = {0,1,0,-1,1,-1,1,-1};

void readf(string x){
	freopen((x+".in").c_str(),"r",stdin);
	freopen((x+".out").c_str(),"w",stdout);
}

void pr(string x){
	freopen((x+".in").c_str(),"w",stdout);
}


int read()
{
	bool min = 0;
	int  result = 0;
	char ch;
	ch = getchar();
	while(1)
	{
		if(ch == '-') break;
		if(ch >='0' && ch <= '9') break;
		ch = getchar();
	}
	if(ch == '-') min = 1;else result = ch-'0';
	while(1)
	{
		ch =getchar();
		if(ch< '0' || ch>'9') break;
		result = result * 10 + (ch-'0');
	}
	if(min) return -result;
	return result;
}
//Reynaldo's Template

int main(){
	string x;
	cin >> x;
	ll N = x.size();
	ll sum[N+5];
	sum[0] = 0;
	for(int i=1;i<=N;i++){
		sum[i] = i + sum[i-1];
	}
	ll ans = sum[N-1] + 1;
	ll cnt[27];
	memset(cnt,0,sizeof cnt);
	for(int i=0;i<x.size();i++){
		int a = (x[i] - 'a');
		cnt[a]++;
	}
	for(int i=0;i<26;i++){
		int gg = max(cnt[i],0);
		ans = ans - sum[gg];
	}
	cout << ans << "\n";
}



Compiler output:
a.cc: In function 'int main()':
a.cc:76:29: error: no matching function for call to 'max(ll&, int)'
   76 |                 int gg = max(cnt[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:76:29: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   76 |                 int gg = max(cnt[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:76:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   76 |                 int gg = max(cnt[i],0);
      |                          ~~~^~~~~~~~~~