[2016-04-01][poj][2533][Longest Ordered Subsequence]

• 时间:2016-04-01 21:35:02 星期五

• 题目编号:[2016-04-01][poj][2533][Longest Ordered Subsequence]

#include <cstdio>
#include <algorithm>
using namespace std;
int dp[1000 + 10],a[1000 + 10];
int main(){
        int n;
        while(~scanf("%d",&n)){      
                for(int i = 1;i <= n ; ++i){
                        scanf("%d",&a[i]);
                }
                for(int i = 1;i <= n ;++i){
                        dp[i] = 1;
                        for(int j = 1;j < i ; ++j){
                                if(a[j] < a[i]){
                                        dp[i] = max(dp[i],dp[j] + 1);
                                }
                        }
                }
                int ans= 0;
                for(int i = 1;i <= n;++i){
                        ans = max(ans,dp[i]);
                }
                printf("%d\n",ans);
        }
        return 0;
}

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