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Help! 不知错哪了#include <iostream.h>
void main()
{
int a;
int sum;
int b[16];
while(1)
{
for(int i=0;i<=15;i++)
{
cin>>a;
if(a==-1)
return;
b[i]=a;
if(a==0)
break;
}
sum=0;
for(i=0;i<=15;i++)
{
if(b[i]==0)
break;
for(int j=i+1;j<=15;j++)
{
if(b[j]==0)
break;
if(b[i]==b[j]*2||b[i]*2==b[j])
sum++;
}
}
cout<<sum<<endl;
}
}
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