#include<stdio.h>   /*兩數比大小*/
void main()
{
	float x,y;
	printf("\n");
	printf("\tInput two number輸入兩個數(任意一數為0時結束)比大小\n\n");
	printf("  請輸入兩個數: ");
	scanf("%f%f",&x,&y);    //輸入第一個數非數值時死循環?
	while(x!=0&&y!=0)
	{printf("  比較大小之前x=%.6f,y=%.6f   ",x,y);
    if(x>y){printf("  x>y\n\n");printf("  請輸入兩個數: ");scanf("%f%f",&x,&y);continue;}
	if(x<y){printf("  x<y\n\n");printf("  請輸入兩個數: ");scanf("%f%f",&x,&y);continue;}
	if(x==y){printf("  x=y\n\n");printf("  請輸入兩個數: ");scanf("%f%f",&x,&y);continue;}
	   /*上三行為并列if語句*/
	}
}