제출 #1150456

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1150456		henriess	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	16 ms	5084 KiB

Main

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

	

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    long long n;cin >> n;
    vector<long long> A(n);
    for(int i = 0;i<n;i++){
		cin >> A[i];
	}
	
	//sequence has to be increasing then decreasing 
	
	vector<long long> L(n);
	vector<long long> R(n);
	for(int i = 1;i<n;i++){
		L[i] = L[i-1] + max(0LL,A[i-1]-A[i] + 1);
	}
	for(int i = n-2;i>=0;i--){
		R[i] = R[i+1] + max(0LL,A[i+1] - A[i] + 1);
	}
	long long ans = LLONG_MAX;
	for(int i = 0;i<n;i++){
		ans = min(ans,max(R[i],L[i]));
	}
	cout << ans;
}

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