Submission #1172657

#	Time	Username	Problem	Language	Result	Execution time	Memory
1172657		Tsagana	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	63 ms	4168 KiB

Main

#include<bits/stdc++.h>

#define IOS ios_base::sync_with_stdio(false);cin.tie();cout.tie();
#define all(x) x.begin(), x.end()
#define int long long
#define pq priority_queue
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define pp pop_back
#define F first
#define S second

using namespace std;

void solve () {
	int n, t;
	cin >> n >> t;
	vector<int> a(n);
	for (auto &i: a) {cin >> i; i %= t;}
	sort(all(a));
	int mn = a[n-1] - a[0];
	for (int i = 0; i < n - 1; i++) {
		mn = min(mn, a[i] + t - a[i+1]);
	}
	cout << (mn + 1) / 2;
}
signed main() {IOS solve(); return 0;}

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