Submission #528101

#	Time	Username	Problem	Language	Result	Execution time	Memory
528101		Jasiekstrz	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	100 / 100	29 ms	6940 KiB

Main

#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=2e5;
long long t[N+10];
long long p[N+10];
long long s[N+10];
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n;
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>t[i];
	for(int i=1;i<=n+1;i++)
		p[i]=p[i-1]+max(0LL,t[i-1]-t[i]+1);
	for(int i=n;i>=0;i--)
		s[i]=s[i+1]+max(0LL,t[i+1]-t[i]+1);
	long long ans=p[n+1];
	for(int i=0;i<=n+1;i++)
		ans=min(ans,max(p[i],s[i]));
	cout<<ans<<"\n";
	return 0;
}

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