Submission #1313097

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313097		boclobanchat	Money (IZhO17_money)	C++20	0 / 100	0 ms	332 KiB

money

#include<bits/stdc++.h>
using namespace std;
const int MAXN=1e6+5;
int fen[MAXN],A[MAXN];
void update(int i,int n,int val) { for(;i<=n;i+=i&-i) fen[i]=max(fen[i],val); }
int get(int i) { int ans=0;for(;i;i-=i&-i) ans=max(ans,fen[i]);return ans; }
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>>A[i];
		A[i]=1e6-A[i]+1;
		update(A[i],1e6,get(A[i]-1)+1);
	}
	cout<<get(1e6);
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 20
• Subtask 4: 0 / 55