hdu oj
2000
1 import java.util.Scanner; 2 3 public class Main { 4 public static void main(String[] args) { 5 Scanner in = new Scanner(System.in); 6 while (in.hasNext()) { 7 String s = in.next(); 8 char c1 = s.charAt(0); 9 char c2 = s.charAt(1); 10 char c3 = s.charAt(2); 11 char t; 12 if (c1 > c2) { 13 t = c1; 14 c1 = c2; 15 c2 = t; 16 } 17 if (c2 > c3) { 18 { 19 t = c2; 20 c2 = c3; 21 c3 = t; 22 } 23 if (c1 > c2) { 24 t = c1; 25 c1 = c2; 26 c2 = t; 27 } 28 } 29 System.out.println(c1 + " " + c2 + " " + c3); 30 } 31 } 32 }
2001
1 import java.text.DecimalFormat; 2 import java.util.Scanner; 3 4 public class Main { 5 public static void main(String[] args) { 6 Scanner in = new Scanner(System.in); 7 DecimalFormat df = new DecimalFormat("#0.00"); 8 while (in.hasNext()) { 9 double x1 = in.nextDouble(); 10 double y1 = in.nextDouble(); 11 double x2 = in.nextDouble(); 12 double y2 = in.nextDouble(); 13 double distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) 14 * (y1 - y2)); 15 System.out.println(df.format(distance)); 16 } 17 } 18 }