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#include<bits/stdc++.h>
using namespace std;
template<class T>inline T read(T&x)
{
char c;
while((c=getchar())<=32)if(c==EOF)return 0;
bool ok=false;
if(c=='-')ok=true,c=getchar();
for(x=0; c>32; c=getchar())
x=x*10+c-'0';
if(ok)x=-x;
return 1;
}
template<class T> inline T read_(T&x,T&y)
{
return read(x)&&read(y);
}
template<class T> inline T read__(T&x,T&y,T&z)
{
return read(x)&&read(y)&&read(z);
}
template<class T> inline void write(T x)
{
if(x<0)putchar('-'),x=-x;
if(x<10)putchar(x+'0');
else write(x/10),putchar(x%10+'0');
}
template<class T>inline void writeln(T x)
{
write(x);
putchar('\n');
}
//-------ZCC IO template------
const int maxn=1e6+1000;
const double inf=999999999;
#define lson (rt<<1),L,M
#define rson (rt<<1|1),M+1,R
#define M ((L+R)>>1)
#define For(i,t,n) for(int i=(t);i<(n);i++)
typedef long long LL;
typedef double DB;
typedef pair<int,int> P;
#define bug printf("---\n");
#define mod 100007
int a[maxn];
int dp[maxn];//表示到达状态i时获得的最大的分数
int main()
{
int n;
while(read(n)&&n)
{
for(int i=1;i<=n;i++)
{
read(a[i]);
dp[i]=0;
}
int ans=0;
for(int i=1;i<=n;i++)
{
dp[i]=max(a[i],dp[i]);
ans=max(ans,dp[i]);
for(int j=i+1;j<=n;j++)if(a[j]>a[i])
{
if(dp[j]<a[j]+dp[i])
{
dp[j]=a[j]+dp[i];
}
}
}
writeln(ans);
}
return 0;
}
E - Super Jumping! Jumping! Jumping! HDU 1087 (基础动态规划)
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原文地址:http://blog.csdn.net/u013167299/article/details/45220377