// if语句实现选择结构.cpp : Defines the entry point for the console application.
#include "stdafx.h"
#include <stdio.h>
int main()
{
float a,b,t;
scanf("%f,%f",&a,&b);
if(a>b)
{
t=a;
a=b;
b=t;
}
printf("%5.2f,%5.2f\n",a,b);
return 0;
}
ps:功能实现输入两个及更多数字,排大小!