HDU 1087 Super Jumping! Jumping! Jumping!(DP)

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1087

题目大意:求出上升子序列的最大和

解题思路: 最长上升子序列

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
const int maxn = 1111;
__int64 dp[maxn];
int num[maxn];
int main ()
{
int n;
while(scanf("%d", &n), n)
{
for(int i = 1; i <= n; i++)
{
scanf("%d", &num[i]);
dp[i] = num[i];
}

for(int i = 1; i <= n; i++)
{
__int64 Max = 0;
for(int j = 1; j < i; j++)
{
if(num[j] < num[i])
Max = max(Max, dp[j]);
}
dp[i] += Max;
}

__int64 ans = 0;
for(int i = 1; i <= n; i++)
ans = max(ans, dp[i]);
printf("%I64d\n", ans);
}
return 0;
}