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  • A

    Problem description

    Vasya works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to take a couple of old songs and make dubstep remixes from them.

    Let's assume that a song consists of some number of words. To make the dubstep remix of this song, Vasya inserts a certain number of words "WUB" before the first word of the song (the number may be zero), after the last word (the number may be zero), and between words (at least one between any pair of neighbouring words), and then the boy glues together all the words, including "WUB", in one string and plays the song at the club.

    For example, a song with words "I AM X" can transform into a dubstep remix as "WUBWUBIWUBAMWUBWUBX" and cannot transform into "WUBWUBIAMWUBX".

    Recently, Petya has heard Vasya's new dubstep track, but since he isn't into modern music, he decided to find out what was the initial song that Vasya remixed. Help Petya restore the original song.

    Input

    The input consists of a single non-empty string, consisting only of uppercase English letters, the string's length doesn't exceed 200 characters. It is guaranteed that before Vasya remixed the song, no word contained substring "WUB" in it; Vasya didn't change the word order. It is also guaranteed that initially the song had at least one word.

    Output

    Print the words of the initial song that Vasya used to make a dubsteb remix. Separate the words with a space.

    Examples

    Input

    WUBWUBABCWUB

    Output

    ABC 

    Input

    WUBWEWUBAREWUBWUBTHEWUBCHAMPIONSWUBMYWUBFRIENDWUB

    Output

    WE ARE THE CHAMPIONS MY FRIEND 

    Note

    In the first sample: "WUBWUBABCWUB" = "WUB" + "WUB" + "ABC" + "WUB". That means that the song originally consisted of a single word "ABC", and all words "WUB" were added by Vasya.

    In the second sample Vasya added a single word "WUB" between all neighbouring words, in the beginning and in the end, except for words "ARE" and "THE" — between them Vasya added two "WUB".

    解题思路:题目的意思就是一个英文句子(没有标点符号)中每个空格处至少都会插入一个字符串"WUB",要求输出正常(单词之间是一个空格,并且开头前和结尾后没有空格)的英语句子(删掉所有的子串"WUB"),java简单水过。

    AC代码:

     1 import java.util.Scanner;
     2 public class Main {
     3     public static void main(String[] args) {
     4             Scanner scan = new Scanner(System.in);
     5             String obj = scan.nextLine().replaceAll("WUB"," ");
     6             Scanner in = new Scanner(obj);
     7             String[] str = new String[105];int k=0;
     8             while(in.hasNext()){str[k++]=in.next();}
     9             for(int i=0;i<k;++i)
    10                 System.out.print(str[i]+(i==k-1?"
    ":" "));
    11     }
    12 }
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  • 原文地址:https://www.cnblogs.com/acgoto/p/9156408.html
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