Bigram 分词

1078. Bigram 分词 (Easy)

给出第一个词 first 和第二个词 second,考虑在某些文本 text 中可能以 "first second third" 形式出现的情况,其中 second 紧随 first 出现,third 紧随 second 出现。

对于每种这样的情况,将第三个词 "third" 添加到答案中,并返回答案。

 

示例 1:

输入:text = "alice is a good girl she is a good student", first = "a", second = "good"
输出:["girl","student"]

示例 2:

输入:text = "we will we will rock you", first = "we", second = "will"
输出:["we","rock"]

 

提示:

  1. 1 <= text.length <= 1000
  2. text 由一些用空格分隔的单词组成,每个单词都由小写英文字母组成
  3. 1 <= first.length, second.length <= 10
  4. first 和 second 由小写英文字母组成

相关话题

[哈希表]


答案