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我也是用二分法做的 ,怎么就不对了?我不知道是我判断的方法不对,,还是其他什么问题,哪位帮忙指点一下啊,代码写的很简单的
#include <stdio.h>
int main()
{
long m,n,i,k;
double a[100000],min,max,mid,sum;
while(EOF!=scanf("%d%d",&m,&n))
{
min=1;max=0;
for(i=0;i<m;i++)
{
scanf("%lf",a+i);
if(min<a[i])min=a[i];
max+=a[i];
}
while(max-min>0.1)
{
mid=(max+min)/2;
k=0;
sum=0;
for(i=0;i<m;i++)
{
sum+=a[i];
if(sum>mid)
{
sum=a[i];
k++;
}
else if(sum==mid)
{
sum=0;
k++;
}
}
if(k<=n)max=mid;
else min=mid;
}
printf("%.0lf\n",mid);
}
}
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