Cent saving

#include <bits/stdc++.h>

using namespace std;

int main(){
  cin.sync_with_stdio(0);
  cin.tie(0);
  
  int tests; cin >> tests;
  int p[101010];
  while(tests--){
    int n; cin >> n;
    int sum = 0;
    for(int i = 0; i < n; i++){
      cin >> p[i];
      if(p[i]%5 < 3)
	sum+=p[i]-p[i]%5;
      else
	sum+=p[i]+(5-p[i]%5);
    }
    //cout << "aluks " << sum << endl;
    int c[5] = {0};
    
    for(int i = 0; i < n; i++)
      c[p[i]%5]++;
    int mi34 = min(c[3], c[4]);
    
    sum-=5*mi34;
    //cout << "mi34 " << mi34 << " nyt " << sum << endl;
    c[3]-=mi34;
    c[4]-=mi34;
    
    sum-=(c[4]/3)*5;
    c[4]-=c[4]/3;
    sum+=c[4];
    //cout << "lop4 " << sum << endl;
    
    sum-=(c[3]/2)*5;
    c[3]-=c[3]/2;
    sum+=c[3]*2;
    //cout << "lop3 " << sum << endl;
    
    
    cout << sum << endl;
  }
    
    
  return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER