poj 2533

2015/2/12

最長上升子序列。

水過。

#include<map>
#include<queue>
#include<stack>
#include<cmath>
#include<vector>
#include<climits>
#include<stdio.h>
#include<string.h>
#include<iostream>
#include<algorithm>

using namespace std;
typedef long long ll;  

#define mod 10007
#define lson pos<<1,l,mid
#define sc(n) scanf("%d",&n)
#define rson pos<<1|1,mid+1,r
#define pr(n) printf("%d\n",n)
#define met(n,m) memset(n, m, sizeof(n))
#define F(x,y,i) for(int i = x;i > y; i--)
#define f(x,y,i) for(int i = x;i < y; i++)
#define ff(x,y,i) for(int i = x;i <= y; i++)
#define FF(x,y,i) for(int i = x;i >= y; i--) 

const int N=100500;
const int inf = INT_MAX;

int Max(int a,int b)
{
	return a>b?a:b;
}

int Min(int a,int b)
{
	return  a<b?a:b;
}


int s[1005],dp[1005];

int main()  
{  
    int n, m, tot, x;
    while(~scanf("%d",&n))
    {
    	f(0,n,i)
    	{
	    	sc(s[i]);
	    	dp[i] = 1;
	    }
	    int maxn = 1;
	    f(0,n,i)
	    f(0,i,j)
	    {
    		if(s[i] > s[j])
    		{
		    	dp[i] = Max(dp[i],dp[j]+1);
		    }
		    maxn = Max(maxn,dp[i]);
    	}
		  pr(maxn);  	
    }
    return 0;  
}