Submission #1152206

#	Time	Username	Problem	Language	Result	Execution time	Memory
1152206		dnnnda	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	64 ms	2464 KiB

Main

#include<bits/stdc++.h>
//#include<bits/extc++.h>
using namespace std;
//using namespace __gnu_pbds;
#define S second
#define F first
#define ll long long
//#pragma GCC optimize("Ofast, unroll-loop")
//#pragma GCC target("avx,avx2")
#pragma GCC optimize("O3")
const int inf=0x3f3f3f3f;
const ll inff=0x3f3f3f3f3f3f3f3f;
const int X=1000000007;

int a[500005];


signed main(){
    ios::sync_with_stdio(false), cin.tie(nullptr);
    int n, t; cin >> n >> t;
    for(int i=1 ; i<=n ; i++) cin >> a[i];
    for(int i=1 ; i<=n ; i++) a[i]%=t;
    sort(a+1,a+n+1);
    int mx=t-a[n]+a[1];
    for(int i=1 ; i<n ; i++) mx=max(mx,a[i+1]-a[i]);
    cout << (t-mx+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