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g0901_1000.s0943_find_the_shortest_superstring.readme.md Maven / Gradle / Ivy

943\. Find the Shortest Superstring

Hard

Given an array of strings `words`, return _the smallest string that contains each string in_ `words` _as a substring_. If there are multiple valid strings of the smallest length, return **any of them**.

You may assume that no string in `words` is a substring of another string in `words`.

**Example 1:**

**Input:** words = ["alex","loves","leetcode"]

**Output:** "alexlovesleetcode"

**Explanation:** All permutations of "alex","loves","leetcode" would also be accepted.

**Example 2:**

**Input:** words = ["catg","ctaagt","gcta","ttca","atgcatc"]

**Output:** "gctaagttcatgcatc"

**Constraints:**

*   `1 <= words.length <= 12`
*   `1 <= words[i].length <= 20`
*   `words[i]` consists of lowercase English letters.
*   All the strings of `words` are **unique**.