g0401_0500.s0472_concatenated_words

Class Solution

java.lang.Object

g0401_0500.s0472_concatenated_words.Solution

public class Solution
extends Object

472 - Concatenated Words.

Hard

Given an array of strings words (**without duplicates**), return all the concatenated words in the given list of words.

A concatenated word is defined as a string that is comprised entirely of at least two shorter words in the given array.

Example 1:

Input: words = [“cat”,“cats”,“catsdogcats”,“dog”,“dogcatsdog”,“hippopotamuses”,“rat”,“ratcatdogcat”]

Output: [“catsdogcats”,“dogcatsdog”,“ratcatdogcat”]

Explanation: “catsdogcats” can be concatenated by “cats”, “dog” and “cats”; “dogcatsdog” can be concatenated by “dog”, “cats” and “dog”; “ratcatdogcat” can be concatenated by “rat”, “cat”, “dog” and “cat”.

Example 2:

Input: words = [“cat”,“dog”,“catdog”]

Output: [“catdog”]

Constraints:

• 1 <= words.length <= 104
• 0 <= words[i].length <= 1000
• words[i] consists of only lowercase English letters.
• 0 <= sum(words[i].length) <= 105

Constructor Summary

Constructors

Constructor and Description
Solution()

Method Summary

Modifier and Type	Method and Description
List<String>	findAllConcatenatedWordsInADict(String[] words)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Solution

public Solution()

Method Detail

findAllConcatenatedWordsInADict

public List<String> findAllConcatenatedWordsInADict(String[] words)