1078. Bigram 分词

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"]

解答

golang

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// 遍历
func findOcurrences(text string, first string, second string) []string {
sli := strings.Split(text, " ")
var ret []string
for i := 0; i < len(sli) - 2; i++ {
if sli[i] == first && sli[i+1] == second {
ret = append(ret, sli[i+2])
}
}
return ret
}