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终于错了一个In Reply To:大哥们，看看我的程序吧，我有很好的思想，但我确实不知道错在哪里了 Posted by:gardner at 2005-10-15 03:47:46 > #include <stdio.h>
> void main()
> {
> long input,i,save;
> scanf("%ld",&input);
> while(input!=0){
> if(input==1)printf("0\n");
> else {
> save=input;
> if(input%2==0)save/=2;
> while(input%2==0)input/=2;
> for(i=3;input!=1;i=i+2){
> if(input%i==0)save=save*(i-1)/i;
> while(input%i==0)input/=i;
> }
> printf("%ld\n",save);
> }
> scanf("%ld",&input);
> }
> }
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