回文距离

• 编程语言要求：Java C# C C++
• 难度等级：
• 有效期： 2014-06-06 至 2015-06-06
• 答题时长：120分钟

import java.util.Scanner;

public class Main {
	public static void main(String args[]){
		String num;
		Scanner sc = new Scanner(System.in);
		while(sc.hasNext()){
			num = sc.next();
			int res = 0;
			int mid = (num.length()/2);
			StringBuilder sb = new StringBuilder();
			for(int i=mid-1;i>=0;i--){
				sb.append(num.charAt(i));
			}
			if(num.length()%2==1){
				res = Math.abs(Integer.parseInt(num.substring(mid+1))-Integer.parseInt(sb.toString()));
			}else{
				res = Math.abs(Integer.parseInt(num.substring(mid))-Integer.parseInt(sb.toString()));
			}
			System.out.println(res);
		}
		sc.close();
	}
}

回文距离

原文：http://blog.csdn.net/guorudi/article/details/42032559