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Re:为什么Runtine Error呢?看了半天,不明白!In Reply To:为什么Runtine Error呢?看了半天,不明白! Posted by:hubo430 at 2006-07-15 13:33:31 > #include<iostream.h>
> int main()
> {
> int n;
> while(cin>>n)
> {
> if(!n) break;
> int a[300000]={0},k=n,i,t=n;
> for(i=2;i*i<=k;i++)
> {
> if(k%i!=0) continue;
> a[i]++;
> k/=i;
> i=1;
> }
> if(k!=1&&a[k]==0) n=n/k*(k-1);
> for(i=2;i*i<=t;i++)
> if(a[i]) n=n/i*(i-1);
> cout<<n<<endl;
> }
> return 0;
> }
>
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