Submission #1126875

#	Time	Username	Problem	Language	Result	Execution time	Memory
1126875		fzyzzz_z	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	95 ms	2376 KiB

Main

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

using ll = long long; 

int32_t main() {
    ios_base::sync_with_stdio(false); 
    cin.tie(0); 

    int n, t; 
    cin >> n >> t; 
    vector<int> a(n); 
    for (auto & x: a) {
        cin >> x; 
        x %= t; 
    }
    sort(a.begin(), a.end());  
    int ans = 1e9; 
    for (int i = 0; i < n; ++i) {
        int x = a[i], y = a[(i + 1) % n]; 
        if (x > y) x -= t; 
        assert(x <= y); 
        ans = min(ans, (t - (y - x) + 1) / 2); 
    }
    if (a[0] == a.back()) ans = 0;  
    
    cout << ans << '\n';
    return 0; 
}

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