Submission #1237670

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237670		t_holl	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	101 ms	8624 KiB

Main

#include <bits/stdc++.h>
#define int long long

#define MULTITEST false

using namespace std;

void solve () {
    int N; cin >> N;
    int T; cin >> T;

    vector<int> A;
    for (int i = 0; i < N; i ++) {
        int x;
        cin >> x;
        x %= T;
        
        A.push_back(x);
        A.push_back(x + T);
    }

    sort(A.begin(), A.end());

    int res = 1e18;
    for (int i = 0; i < N; i ++) {
        res = min(res, (A[i + N - 1] - A[i] + 1) >> 1);
    }

    cout << res << "\n";
}

signed main () {
    ios_base::sync_with_stdio(false); cin.tie(NULL);

    int T = 1;
    if (MULTITEST) cin >> T;

    for (int t = 0; t < T; t ++) solve();
}

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