1 import java.io.*; 2 import java.util.*; 3 public class Distance { 4 public static void main(String args[]){ 5 Scanner cin=new Scanner(System.in); 6 double x1,y1,x2,y2; 7 while(cin.hasNextInt()){ 8 x1=cin.nextDouble(); 9 y1=cin.nextDouble(); 10 x2=cin.nextDouble(); 11 y2=cin.nextDouble(); 12 System.out.println(String.format("%.2f", Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)))); 13 14 } 15 } 16 }
1 import java.io.*; 3 import java.util.*; 5 public class Distance { 7 public static void main(String args[]){ 9 Scanner cin=new Scanner(System.in); 11 double x1,y1,x2,y2; 13 while(cin.hasNextDouble()){ 15 x1=cin.nextDouble(); 17 y1=cin.nextDouble(); 19 x2=cin.nextDouble(); 21 y2=cin.nextDouble(); 23 System.out.println(String.format("%.2f", Math.sqrt((x2-x1)*(x2-x1)+(y2-y1)*(y2-y1)))); 27 } 28 29 } 30 31 }
原文：http://www.cnblogs.com/dandelionxxj/p/5330537.html