Submission #1132793

#	Time	Username	Problem	Language	Result	Execution time	Memory
1132793		not_amir	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	63 ms	4168 KiB

Main

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

typedef long long ll;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    ll n, t;
    cin >> n >> t;
    if (t == 1) {
        cout << 0;
        return 0;
    }
    vector<ll> a(n);
    for (ll& i : a) cin >> i, i %= t;
    sort(a.begin(), a.end());
    ll mx = 0;
    for (int i = 0; i < n - 1; i++)
        mx = max(mx, a[i + 1] - a[i]);
    mx = max(mx, t - a[n - 1] + a[0]);
    cout << (t - mx + 1) / 2;
}

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