Question

int sushu(int x)什么意思

Answer 1

#include <stdio.h>

int fun(int n)
{
int i;
if (n <= 1)
{
return 0;
}
for (i = 2; i < n; ++i)
{
if (n % i == 0)
{
return 0;
}
}
return 1;
}

int main()
{
int n;
scanf("%d", &n);
printf("%d\n", fun(n));
return 0;
}