Submission #991209

#	Time	Username	Problem	Language	Result	Execution time	Memory
991209		model_code	Room Temperature (JOI24_ho_t1)	C++17	100 / 100	158 ms	2408 KiB

Main

#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int main() {
	//入力
	int N, T;
	cin >> N >> T;
	vector<int> A(N);
	for (int i = 0; i < N; i++) {
		cin >> A[i];
	}

    // A[i] mod T にしてソート
	for (int i = 0; i < N; i++) {
		A[i] %= T;
	}
	sort (A.begin(), A.end());

    //「カバーされない円環上の部分」を全探索
	int len_min = A[N-1] - A[0];
	for (int i = 0; i < N-1; i++) {
		len_min = min(len_min, T - (A[i+1] - A[i]));
	}

    // 2 で割って切り上げた値を出力
	cout << (len_min + 1) / 2 << endl;

	return 0;
}

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