제출 #1257170

#제출 시각아이디문제언어결과실행 시간메모리
1257170chautanphatRoom Temperature (JOI24_ho_t1)C++20
100 / 100
86 ms2388 KiB
#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;
}
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