Submission #1296807

#	Time	Username	Problem	Language	Result	Execution time	Memory
1296807		nguyenkhangninh99	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	74 ms	4176 KiB

Main

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

#define int long long

void solve(){
    int n, t; cin >> n >> t;
    vector<int> a(n + 1);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        a[i] %= t;
    }
    sort(a.begin() + 1, a.end());
    int ans = (a[n] - a[1] + 1) / 2;
    for(int i = 2; i <= n; i++) ans = min(ans, (t + a[i - 1] - a[i] + 1) / 2);
    cout << ans;
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    solve();
}

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