> import java.util.*;
> public class Mainm {
> 	public static void main(String[] args) {
> 		Scanner sc = new Scanner(System.in);
> 		int n = sc.nextInt();
> 		sc.nextLine();
> 		Map<String, String> keymap = new HashMap<String, String>();
> 		keymap.put("A", "2");keymap.put("B", "2");keymap.put("C", "2");
> 		keymap.put("D", "3");keymap.put("E", "3");keymap.put("F", "3");
> 		keymap.put("G", "4");keymap.put("H", "4");keymap.put("I", "4");
> 		keymap.put("J", "5");keymap.put("K", "5");keymap.put("L", "5");
> 		keymap.put("M", "6");keymap.put("N", "6");keymap.put("O", "6");
> 		keymap.put("P", "7");keymap.put("R", "7");keymap.put("S", "7");
> 		keymap.put("T", "8");keymap.put("U", "8");keymap.put("V", "8");
> 		keymap.put("W", "9");keymap.put("X", "9");keymap.put("Y", "9");
> 		Map<String, Integer> map = new HashMap<String, Integer>();
> 		while (n > 0) {
> 			String line = sc.nextLine();
> 			String std = "";
> 			for (int i = 0; i < line.length(); ++i) {
> 				if (std.length() == 3) std += "-";
> 				Character c = line.charAt(i);
> 				if (c == '-' || c == 'Q' || c == 'Z') continue;
> 				if (Character.isDigit(c) || Character.isUpperCase(c)) {
> 					if(keymap.containsKey(c.toString())){
> 						std=std+keymap.get(c.toString());
> 					}
> 					else{
> 						std=std+c;
> 					}
> 					
> 				}
> 			}
> 			if(map.containsKey(std)){
> 				map.put(std, map.get(std)+1);
> 			}else{	
> 				map.put(std,1);
> 			}
> 			--n;
> 		}
> 	    Set<String> tkey = map.keySet();
> 	    TreeSet key = new TreeSet(tkey);
> 	    boolean flag = true;
>         for (Iterator it = key.iterator(); it.hasNext();) {
>             String s = (String) it.next();
>             if(map.get(s)>1) {
>             	System.out.println(s+" "+map.get(s)); flag = false;
>             }
> 
>         }
>         if (flag) System.out.println("No duplicates. ");
> 	}
> }

• Re:Java code (30) ayxg 2011-12-07 14:24:25