제출 #1161951

#제출 시각아이디문제언어결과실행 시간메모리
1161951knot222Room Temperature (JOI24_ho_t1)C++20
100 / 100
147 ms4316 KiB
#include <bits/stdc++.h>
using namespace std;
#define ll long long int
int main()
{
    int N,T;cin>>N>>T;
    ll ar[N];
    for (int i=0;i<N;i++) {
        cin>>ar[i];
        ar[i]=ar[i]%T;
    }
    sort(ar, ar+N);
    ll best = (ar[N-1]-ar[0])/2+((ar[N-1]-ar[0])%2);

    for (int i=1;i<N;i++) {
        ar[i] = ar[i]-T;
        best = min(best, (ar[i-1]-ar[i])/2+((ar[i-1]-ar[i])%2));
        ar[i]+=T;
    }
    cout << best;
    return 0;
}
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