Package g0401_0500.s0472_concatenated_words

Class Solution

java.lang.Object
g0401_0500.s0472_concatenated_words.Solution
public class Solution extends java.lang.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
    Description
    Solution()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    java.util.List<java.lang.String>
    findAllConcatenatedWordsInADict(java.lang.String[] words)
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • Solution

      public Solution()

  • Method Details

    • findAllConcatenatedWordsInADict

      public java.util.List<java.lang.String> findAllConcatenatedWordsInADict(java.lang.String[] words)