HDOJ2001 ( 计算两点间的距离 ) 【水题】

Problem : 2001 ( 计算两点间的距离 )     Judge Status : Accepted
RunId : 5995399    Language : C    Author : qq1203456195
Code Render Status : Rendered By HDOJ C Code Render Version 0.01 Beta

1 #include <stdio.h>
2 #include <math.h>
3 int main()
4 {
5     double x1,y1,x2,y2;
6     while (scanf("%lf%lf%lf%lf",&x1,&y1,&x2,&y2)!=EOF)
7         printf("%.2lf\n",sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)));
8     return 0;
9 }