Submission #1154796

#	Time	Username	Problem	Language	Result	Execution time	Memory
1154796		nguyenphong233	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	168 ms	8208 KiB

Main

// 23 - 12 - 23 

#include<bits/stdc++.h>

using namespace std;

#define read() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define day() time_t now = time(0);char* x = ctime(&now);cerr<<"Right Now Is : "<<x<<"\n"

#define int long long
#define ii pair<int,int>
#define X first
#define Y second 

const long long MAX = (int)5e5 + 5;
const long long INF = (int)1e9;
const long long MOD = (int)1e9 + 7;

int n,t;
int a[MAX * 2];

signed main(){
	
	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 + 1 + n);
	//for(int i = 1;i <= n;i++)cout << a[i] << " \n";
	int res = INF;
	for(int i = 1;i <= n;i++){
		res = min(res,(a[i + n - 1] - a[i] + 1) / 2);
		a[i + n] = a[i] + t;
	}
	
	cout << res;
	
	
}

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