Submission #1313190

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313190		boclobanchat	Bigger segments (IZhO19_segments)	C++20	37 / 100	1595 ms	2284 KiB

segments

#include<bits/stdc++.h>
using namespace std;
const int MAXN=5e5+5;
long long pref[MAXN];
pair<int,long long> dp[MAXN];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>pref[i];
		pref[i]+=pref[i-1];
	}
	for(int i=1;i<=n;i++)
	{
		dp[i]={1,pref[i]};
		for(int j=i;j;j--) if(pref[i]-pref[j-1]>=dp[j-1].second)
		{
			dp[i]={dp[j-1].first+1,pref[i]-pref[j-1]};
			break;
		}
	}
	cout<<dp[n].first;
}

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27