/ SeriousOJ /

Record Detail

Compile Error

foo.c:1:10: fatal error: iostream: No such file or directory
    1 | #include <iostream>
      |          ^~~~~~~~~~
compilation terminated.

Code

#include <iostream>
using namespace std;

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int tt;
  cin >> tt;
  while (tt--) {
    int n;
    cin >> n;
    int cnt[3] = {0, 0, 0};
    for (int i = 0; i < n; i++) {
      int x;
      cin >> x;
      cnt[x % 3]++;
    }
    int ans = cnt[0] + cnt[1] + cnt[2];
    int tot = cnt[1] + 2 * cnt[2];
    if (tot % 3 == 1) {
      if (cnt[1])
        ans--;
      else
        ans -= 2;
    } else if (tot % 3 == 2) {
      if (cnt[2])
        ans--;
      else
        ans -= 2;
    }
    cout << ans << '\n';
  }
  return 0;
}

Information

Submit By
Type
Submission
Problem
P1013 Divisible by 3
Language
C99 (GCC 13.2.0)
Submit At
2024-10-03 21:30:01
Judged At
2024-11-11 02:44:21
Judged By
Score
0
Total Time
0ms
Peak Memory
0 Bytes