Submission #1208933

#	Time	Username	Problem	Language	Result	Execution time	Memory
1208933		pinbu	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	60 ms	4248 KiB

Main

#include <bits/stdc++.h>
using namespace std;

const int N = 500005, oo = 1e9;

int n, T, a[2 * N];

signed main(void) {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    
    cin >> n >> T;
    for (int i = n + 1; i <= n * 2; i++) {
    	cin >> a[i];
    	a[i] %= T;
    }
    sort(a + n + 1, a + n * 2 + 1);
    for (int i = 1; i <= n; i++) {
    	a[i] = a[i + n] - T;
    }
    int ans = oo;
    for (int i = 1; i <= n + 1; i++) {
    	ans = min(ans, (a[i + n - 1] - a[i] + 1) >> 1);
    }
    cout << ans;
    
    return 0;
}

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