[1078] Bigram 分词
- GitHub
- http://leetcode.xuezhisd.top/post/63b83a7e.html
- https://leetcode.com/problems/occurrences-after-bigram
- https://leetcode-cn.com/problems/occurrences-after-bigram
题目描述
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 <= text.length <= 1000
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1 <= first.length, second.length <= 10
first
和second
由小写英文字母组成
Related Topics
题目解析
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