Submission #1214166

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214166		trimkus	Room Temperature (JOI24_ho_t1)	C++20	100 / 100	85 ms	4568 KiB

Main

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


int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, k;
	cin >> n >> k;
	vector<int> a(n);
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
		a[i] %= k;
	}
	sort(begin(a), end(a));
	vector<int> diffs;
	for (int i = 1; i < n; ++i) {
		diffs.push_back((a[i] - a[0]) % k);
	}
	sort(begin(diffs), end(diffs));
	int res = (a.back() - a[0] + 1) / 2;
	for (int i = 1; i < n; ++i) {
		int mndiff = (a[i - 1] - a[i] + k + 1) / 2;
		res = min(res, mndiff);
	}
	//~ for (int i = 0; i < n; ++i) {
		//~ a.back() -= k;
		//~ sort(begin(a), end(a));
		//~ int mndiif = (a.back() - a[0] + 1) / 2;
		//~ res = min(res, mndiif);
	//~ }
	cout << res << "\n";
	
}

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