carloscn / carloscn/structstudy
leetcode1408:数组中的字符串匹配(string-matching-in-an-array)
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- C
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Description
### 问题描述
给你一个字符串数组 words ,数组中的每个字符串都可以看作是一个单词。请你按 任意 顺序返回 words 中是其他单词的子字符串的所有单词。
如果你可以删除 words[j] 最左侧和/或最右侧的若干字符得到 words[i] ,那么字符串 words[i] 就是 words[j] 的一个子字符串。
示例 1:
输入:words = ["mass","as","hero","superhero"]
输出:["as","hero"]
解释:"as" 是 "mass" 的子字符串,"hero" 是 "superhero" 的子字符串。
["hero","as"] 也是有效的答案。
示例 2:
输入:words = ["leetcode","et","code"]
输出:["et","code"]
解释:"et" 和 "code" 都是 "leetcode" 的子字符串。
示例 3:
输入:words = ["blue","green","bu"]
输出:[]
提示:
1 <= words.length <= 100
1 <= words[i].length <= 30
words[i] 仅包含小写英文字母。
题目数据 保证 每个 words[i] 都是独一无二的。
来源:力扣(LeetCode)
链接:https://leetcode.cn/problems/string-matching-in-an-array
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