#include<stdio.h>
int s(int x)
{int i,y;
for (i=0;i<x;i++)
if(x%i==0)y=0;
else y=1;
return y;
}
main()
{int x;
scanf("%d",&x);
if(s(x)==0)printf("%d is a prime\n",x);
else printf("%d is not a prime\n",x);
return 0;}
这哪里错了啊,求指证!
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