HDOJ 1266 Reverse Number

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HDACM1266

注意细节：只有末尾的0才是特殊的

import java.util.Scanner;public class Main{    public static void main(String[] args) {        Scanner sc = new Scanner(System.in);        int n = sc.nextInt();        while(n-->0){            int num = sc.nextInt();            String str = "";            boolean isNegative = false;            if (num<0) {                isNegative = true;                num = -num;            }            if (num == 0) {                System.out.println(0);                continue;            }            boolean isEnd = true;            while (num>0) {                if (num%10==0&&isEnd) {                    str += "0";                    num /= 10;                    continue;                }                if (isNegative) {                    System.out.print("-");                    isNegative = false;                }                isEnd = false;                System.out.print(num%10);                num /= 10;            }            System.out.println(str);        }    }}

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