제출 #1282226

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1282226		kaiboy	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	16 ms	4340 KiB

Main

#include <algorithm>
#include <iostream>

using namespace std;

const       int   N = 200000;
const long long INF = 0x3f3f3f3f3f3f3f3fLL;

int aa[N];
long long pp[N], qq[N];

int main() {
	ios_base::sync_with_stdio(false), cin.tie(NULL);
	int n; cin >> n;
	for (int i = 0; i < n; i++)
		cin >> aa[i];
	long long p = 0;
	for (int i = 1; i < n; i++)
		pp[i] = p += max(aa[i - 1] + 1 - aa[i], 0);
	long long q = 0;
	for (int i = n - 2; i >= 0; i--)
		qq[i] = q += max(aa[i + 1] + 1 - aa[i], 0);
	long long ans = INF;
	for (int i = 0; i < n; i++)
		ans = min(ans, max(pp[i], qq[i]));
	cout << ans << '\n';
	return 0;
}

• Subtask 1: 40 / 40
• Subtask 2: 60 / 60