Submission #284993

#	Time	Username	Problem	Language	Result	Execution time	Memory
284993		lukameladze	Discharging (NOI20_discharging)	C++14	9 / 100	1086 ms	8516 KiB

Discharging

# include <bits/stdc++.h>
using namespace std;
long long b[1000005], n,a[1000005],mn,mx,raod,x,w;
pair <long long ,long long > dp[1000005];
int main()
{
	cin>>n;
	for (int i=1; i<=n; i++)
	{
		cin>>a[i];
	}
	dp[0]={0,0};
	dp[1]={a[1],a[1]};
	for (int i=2; i<=n; i++)
	{
		dp[i].first=1e18;
		x=0;
		for (int j=i; j>=1; j--)
		{
			raod=i-j+1;
			x=max(x,a[j]);
			w=dp[j-1].second+x;
			if (dp[j-1].first+raod*w<dp[i].first)
			{
			     dp[i].first=dp[j-1].first+raod*w;
			     dp[i].second=w;
			}
			
		}
	}
	cout<<dp[n].first;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 11
• Subtask 5: 0 / 14
• Subtask 6: 0 / 28