#include
int isPrime(int i);
main()
{
int number ;
printf("Please input a number to test if it is a prime:" );
scanf("%d",&number);
if (isprime(number==1))
//调用判断素数的函数isPrime
printf("Is a prime!\n");
else
printf("Is not a prime!\n");
}// 子函数isPrime的声明和定义如下:
int isprime(int i)
{
int a;
for(a=1;aint prime(int a);//函数声明int main(){int n,i;scanf("%d",&n);if(prime(n)==1) //return返回值1printf("prime");elseprintf("not prime") ;}int prime(int a){int i;for(i=2;iint isprime(int i);
//大小写错误void main()
//省略是默认返回值为int{
int number ; printf("Please input a number to test if it is a prime:" ); scanf("
main(){
int number ; printf("Please input a number to test if it is a prime:" );
scanf("%d",&number); if (isprime(number==1))
///改成 if (isprime(number)==1)
