Submission #1369689

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369689		Charizard2021	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	121 ms	4324 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    long long n, t;
    cin >> n >> t;
    vector<long long> a(1 + n);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        a[i] %= t;
    }
    sort(a.begin() + 1, a.end());
    long long res = 0;
    for(int i = 1; i < n; i++){
        res = max(res, a[i + 1] - a[i]);
    }
    res = max(res, a[1] - a[n] + t);
    res = t - res;
    cout << (res + 1)/2 << "\n";
}

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