trener

input/code.cpp: In function 'int main()':
input/code.cpp:11:8: warning: array subscript has type 'char' [-Wchar-subscripts]
  t[s[0]]++;
        ^

#include <bits/stdc++.h>
using namespace std;
int t[1111];

int main() {
    int n;
    cin>>n;
    for(int i = 0; i <  n; ++i) {
	string s;
	cin>>s;
	t[s[0]]++;
    }
    int lol = 0;
    for(int i = 'a'; i <= 'z'; ++i) {
	if(t[i] >= 5) {
	    lol = 1;
	    cout<<(char)i;
	}
    }
    if(lol == 0) {
	cout<<"PREDAJA";
    }
    cout<<'\n';
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED