验证哥德巴赫猜想

#include <stdio.h>
#include <math.h>
int prime_s(int x)
{
	int i;
	for(i=2;i<=sqrt(x);i++)
	{
		if(0==x%i)
		{		
			return 0;
		} 			
	}
	if(i>sqrt(x))
	   return 1;
}
int main()
{
	int n,i;
	int c=0;
	again:
	scanf("%d",&n);
	if(n>6&&n<=1000000)
	{
		if(0==n%2)
		{
			for(i=1;i<(n/2);i++)
			{
			    c=n-i;  
				if(prime_s(i)==1&&prime_s(c)==1)
				{
					printf("%d %d\n",i,c);
				}
			}
		}
	}
	else
	{ 
	    printf("请输入正确范围数字:");
	    goto again;
	}
	return 0;
}

标签：prime,again,main,return,验证,int,哥德巴赫猜想,include
来源： https://blog.csdn.net/qq_62995672/article/details/121363771