poj-2533 Longest Ordered Subsequence 【最长上升子序列】

标签：

题目链接：http://poj.org/problem?id=2533

Description

Input

Output

Sample Input

7
1 7 3 5 9 4 8

Sample Output

4

求最长上升子序列

#include<stdio.h>
#include<iostream>
#include<math.h>
#include<stdlib.h>
#include<ctype.h>
#include<algorithm>
#include<vector>
#include<string>
#include<queue>
#include<stack>
#include<set>
#include<map>

using namespace std;

int n,p[1010],dp[1010];

int main()
{
	while (scanf("%d", &n) != EOF)
	{
		for (int i = 1; i <= n; i++)
			scanf("%d",&p[i]);
		
		for (int i = 1; i <= n; i++)
		{
			dp[i] = 1;
			for (int j = 1; j < i; j++)
			{
				if (p[i] > p[j])
					dp[i] = max(dp[i],dp[j] + 1);
			}
		}
		int ans = -1;
		for (int i = 1; i <= n; i++)
			ans = max(ans,dp[i]);
		printf("%d\n",ans);
	}
	return 0;
}

poj-2533 Longest Ordered Subsequence 【最长上升子序列】

标签：

原文地址：http://blog.csdn.net/u014427196/article/details/44003711