HDOJ2003 ( 求绝对值 ) 【水题】

Problem : 2003 ( 求绝对值 )     Judge Status : Accepted
RunId : 5995487    Language : C    Author : qq1203456195
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta

#include <stdio.h>
int main()
{
    double r;
    while (scanf("%lf",&r)!=EOF)    printf("%.2lf\n",r>0?r:-r);
    return 0;
}