Submission #1147363

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147363		koukirocks	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	62 ms	4168 KiB

Main

#include <bits/stdc++.h>
#define speed ios_base::sync_with_stdio(0);cin.tie(0)
#define all(x) x.begin()+1, x.end()

using namespace std;
typedef long long ll;

int main() {
    speed;
    int n,T;
    cin>>n>>T;
    vector<ll> a(n+1);
    for (int i=1;i<=n;i++) {
        cin>>a[i];
        a[i]%=T;
    }
    sort(all(a));
    ll ans=a[n]-a[1];
    for (int i=2;i<=n;i++) {
        ans=min(ans,a[i-1]+T-a[i]);
    }
    cout<<(ans+1)/2<<"\n";
    return 0;
}

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