제출 #493786

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
493786		PixelCat	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	26 ms	5160 KiB

Main

#include <bits/stdc++.h>
#define For(i,a,b) for(int i=a;i<=b;i++)
#define Forr(i,a,b) for(int i=a;i>=b;i--)
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
#define INF (1000000000000000ll);
#define int ll
using namespace std;
using ll=long long;
using pii=pair<int,int>;

int a[200020];
int l[200020];
int r[200020];

int32_t main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	// nachoneko sama & miku sama bless me >/////<
	int n; cin>>n;
	For(i,1,n) cin>>a[i];
	For(i,2,n) l[i]=l[i-1]+max(0ll,a[i-1]-a[i]+1);
	Forr(i,n-1,1) r[i]=r[i+1]+max(0ll,a[i+1]-a[i]+1);
	int ans=INF;
	For(i,1,n) ans=min(ans,max(l[i],r[i]));
	cout<<ans<<"\n";
	return 0;
}

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