Submission #702117

#	Time	Username	Problem	Language	Result	Execution time	Memory
702117		ld_minh4354	Financial Report (JOI21_financial)	C++14	48 / 100	2102 ms	107664 KiB

Main

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

#define int long long
#define fi first
#define se second
#define pb push_back
#define debug(x) cout<<#x<<": "<<x<<"\n"



signed main()
{
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//	freopen("input.000","r",stdin);
//	freopen("output.000","w",stdout);
//	srand((unsigned)time(NULL));
//	rand()
	
	int n,a[300005],dp[300005],i,max_dist,c,d,j,ans;
	bool reach[7005][7005];
	
	cin>>n>>d;
	for (i=1;i<n+1;i++) cin>>a[i];
	
	for (i=1;i<n;i++)
	{
		max_dist=0;c=0;
		reach[i][i+1]=(a[i]<a[i+1]);
		for (j=i+1;j<n;j++)
		{
			if (a[i]<a[j])
			{
				c++;max_dist=max(max_dist,c);
			}
			else c=0;
			
			reach[i][j+1]=(max_dist<d and a[i]<a[j+1]);
		}
	}
	
	dp[1]=1;
	for (i=2;i<n+1;i++)
	{
		dp[i]=1;
		for (j=1;j<i;j++) if (reach[j][i]) dp[i]=max(dp[i],dp[j]+1);
	}
	
	ans=1;
	for (i=2;i<n+1;i++) ans=max(ans,dp[i]);
	cout<<ans;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 20 / 20
• Subtask 4: 0 / 12
• Subtask 5: 0 / 5
• Subtask 6: 0 / 35