CSES - HIIT Open 2016 - Results
Submission details
Task:Cent saving
Sender:Oispa Kaljaa
Submission time:2016-05-28 14:25:11 +0300
Language:C++
Status:READY
Result:
Test results
testverdicttime
#10.06 sdetails
#20.06 sdetails

Code

#include <bits/stdc++.h>

#define i64 long long
using namespace std;

int main(){
  cin.sync_with_stdio(0);
  cin.tie(0);
  
  int tests; cin >> tests;
  i64 p[101010];
  while(tests--){
    int n; cin >> n;
    i64 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);
    }
    i64 c[5] = {0};
    
    for(int i = 0; i < n; i++)
      c[p[i]%5]++;
    i64 be = 0;
    i64 m34 = min(c[3], c[4]);
    be = max(be, m34*5+(c[3]-m34)/2*5+(c[4]-m34)/2*5);
    be = max(be, c[3]/2*5+c[4]/2*5+(((c[3]&1) & (c[4]&1))*5));
    cout << sum-be << endl;
  }
    
    
  return 0;
}

Test details

Test 1

Verdict:

input
100
1000
528433894 255789530 559301042 ...

correct output
475191144965
460688647850
478543444030
475238936090
456736521510
...

user output
475191144950
460688647840
478543444010
475238936090
456736521500
...

Test 2

Verdict:

input
1
100000
666086355 190481330 514353517 ...

correct output
47176864928795

user output
47176864928575