제출 #1139350

#제출 시각아이디문제언어결과실행 시간메모리
1139350jj_masterRoom Temperature (JOI24_ho_t1)C++20
5 / 100
2 ms2376 KiB
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 5;
void sol()
{
    int n, t, mx;
    cin >> n >> t;
    int a[N];
    int ans = INT_MAX;
    for(int i=1;i<=n;i++) {
        cin >> a[i];
        a[i] %= t;
    }
    sort(a + 1, a + n + 1);
    mx = a[n];
    for(int i=0;i<=n;i++) {
        ans = min(ans, mx - a[i]);
        mx = a[i] + t;
    }
    cout << (ans + 1) / 2 << '\n';
}

int main() 
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	sol();
	return 0;
}
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