Submission #1157155

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157155		dubabuba	Room Temperature (JOI24_ho_t1)	C++20	50 / 100	1 ms	328 KiB

Main

#include <bits/stdc++.h>
using namespace std;

const int mxn = 5e5 + 10;
int n, m, a[mxn];
vector<int> vec;

int main() {
	cin >> n >> m;
	for(int i = 0; i < n; i++) {
		cin >> a[i];
		a[i] %= m;
		vec.push_back(a[i]);
	}

	sort(vec.begin(), vec.end());
	vec.erase(unique(vec.begin(), vec.end()), vec.end());
	vec.push_back(vec[0]);

	int ans = INT_MAX;
	for(int i = 1; i < vec.size(); i++) {
		int t = vec[i] - vec[i - 1];
		if(t < 0) t += m;
		t = min(t, m - t);
		ans = min(ans, (t + 1) / 2);
	}

	cout << ans << endl;
	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 5 / 5
• Subtask 3: 30 / 30
• Subtask 4: 0 / 35
• Subtask 5: 0 / 15