Submission #1127524

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127524		12345678	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	123 ms	8764 KiB

Main

#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=5e5+5;

ll n, x, t, res=LLONG_MAX;
vector<ll> v;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>t;
    for (int i=1; i<=n; i++) cin>>x, v.push_back(x%t), v.push_back(x%t+t);
    sort(v.begin(), v.end());
    for (int i=0; i<n; i++) res=min(res, (v[i+n-1]-v[i]+1)/2);
    cout<<res;
}

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