Submission #1257170

#	Time	Username	Problem	Language	Result	Execution time	Memory
1257170		chautanphat	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	86 ms	2388 KiB

Main

#include <bits/stdc++.h>

using namespace std;

int main()
{    
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, t;
    cin >> n >> t;

    int a[n];
    for (int i = 0; i < n; i++) cin >> a[i];
    sort(a, a+n);

    for (int i = 0; i < n; i++) a[i] -= (a[i]-a[0])/t*t;

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

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