Submission #1153252

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153252		Ak_16	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	143 ms	4320 KiB

Main

#include <iostream>
#include <algorithm>
using namespace std;
#define int long long

signed main() 
{
    int n,t;
    cin>>n>>t;
    int a[500005];
    for(int i=1; i<=n; i++){
      cin>>a[i];
      a[i] %= t;
    }
    sort(a+1, a+n+1);
    int ans = a[n] - a[1];
    
    for(int i=1; i<n; i++){
      ans = min(ans, a[i] + t - a[i+1]);
    }
    cout<<(ans+1)/2<<endl;
    return 0;
}

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