DevHireLab
TutorialsBootcamp
Problems
Code SimulatorAI InterviewSoonContact
DevHireLab
TutorialsBootcamp
Problems
Code SimulatorAI InterviewSoonContact
Back to Arena
medium
Trie

Replace Words

**Problem Statement:** Given the required input arguments, write an efficient algorithm to solve the **Replace Words** problem. Implement the required logic as specified by standard definitions for this classic algorithmic challenge. **Hint / Expected Approach:** Trie insert roots; for each word find shortest prefix **Edge Cases to Consider:** - (1) No roots match - (2) Root equals whole word - (3) Multiple matching roots

Examples

Example 1
Input: ["cat","bat","rat"], "the cattle was rattled by the battery"
Output: "the cat was rat by the bat"
Explanation: Classic
Example 2
Input: ["a","b","c"], "aadsfasf absbs bbab cadsfafs"
Output: "a a b c"
Explanation: Single-char roots
Example 3
Input: ["a","aa","aaa"], "aaaaaaaaaa"
Output: "a"
Explanation: Shortest root wins

Constraints

  • ▪Input arguments are within valid ranges
  • ▪Optimize for execution speed
  • ▪Handle null/empty inputs gracefully

Watch Out For Edge Cases

  • ▪No roots match
  • ▪Root equals whole word
  • ▪Multiple matching roots
Frequently Asked At
AmazonGoogleMicrosoftAdobe