Submission #1265381

#	Time	Username	Problem	Language	Result	Execution time	Memory
1265381		flashmt	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	62 ms	2376 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n, t;
  cin >> n >> t;
  vector<int> a(n);
  for (int &x : a)
  {
    cin >> x;
    x %= t;
  }
  sort(begin(a), end(a));
  if (a[0] == a[n - 1])
  {
    cout << 0 << endl;
    return 0;
  }

  int ans = a[0] + t - a[n - 1];
  for (int i = 0; i + 1 < n; i++)
    ans = max(ans, a[i + 1] - a[i]);

  cout << (t - ans + 1) / 2 << endl;
}

• Subtask 1: 15 / 15
• Subtask 2: 5 / 5
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35
• Subtask 5: 15 / 15