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那位大侠帮我看看这段程序有什么错!老是WA#include <stdio.h>
#include <stdlib.h>
long b[50000]={0};
long c[50000]={0};
int a[50000]={0};
int MaxSum(int m,int n)
{
int i,j;
long max,sum=-500000000;
if(n<m||m<1)return 0;
for(i=1;i<=m;i++)
{
b[i]=b[i-1]+a[i];
c[i-1]=b[i];
max =b[i];
for(j=i+1;j<=i+n-m;j++)
{
b[j]=b[j-1]>c[j-1]?b[j-1]+a[j]:c[j-1]+a[j];
c[j-1]=max;
if(max<b[j])max=b[j];
}
c[i+n-m]=max;
}
for(j=m;j<=n;j++)
if(sum<b[j])sum=b[j];
return sum;
}
int main(int argc, char *argv[])
{
int i,j,k;
int n,m;
long sum[30]={0};
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%d",&m);
for(j=1;j<=m;j++)
scanf("%d",&a[j]);
printf("\n");
sum[i]=MaxSum(2,m);
}
for(i=0;i<n;i++)
printf("%ld\n",sum[i]);
system("PAUSE");
return 0;
}
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