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## Re:救命啊 我要疯了 牛人帮我看下，是不是我漏了什么啊？

Posted by 123456789haha at 2012-06-27 10:43:02 on Problem 2593
In Reply To:救命啊 我要疯了 牛人帮我看下，是不是我漏了什么啊？ Posted by:poin at 2009-05-14 14:30:45
```#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
int a[100010],b[100010];
int n;
while(scanf("%d",&n),n)
{
memset(a,0,sizeof(a));
memset(b,0,sizeof(b));
int flag=0;
for(int i=0;i<n;i++)
{
scanf("%d",&a[i]);
if(a[i]<0)
flag++;
}
int sum=0,k=0,kk=0;
for(int i=0;i<n;i++)
{
if(a[i]>=0)
{
sum+=a[i];
kk++;
if(i==n-1)
b[k++]=sum;
}
else
{
b[k++]=sum;
sum=0;
}
}
sort(b,b+k);
if(b[k-1]>0&&b[k-2]==0&&kk>1)
{
printf("%d\n",b[k-1]);
continue;
}
//cout<<k<<endl;
//cout<<b[2]<<endl;
//cout<<b[k-1]<<" "<<b[k-2]<<endl;
if(b[k-1]==0)
{
sort(a,a+n);
printf("%d\n",a[flag-1]+a[flag-2]);
}
else
if(b[k-1]!=0&&b[k-2]==0)
{
sort(a,a+n);
//cout<<a[flag-1]<<endl;
printf("%d\n",b[k-1]+a[flag-1]);
}
else
printf("%d\n",b[k-2]+b[k-1]);
}
return 0;
}

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