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Solve LeetCode string and list problems

Last updated: Mar 29, 2026

Quick Overview

This set of problems evaluates proficiency in string manipulation, priority-queue/heap usage and greedy strategies, and linked-list operations including pointer management and cloning, reflecting core data structure and algorithm competencies.

  • Medium
  • Amazon
  • Coding & Algorithms
  • Software Engineer

Solve LeetCode string and list problems

Company: Amazon

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: Medium

Interview Round: Onsite

##### Question LeetCode 767. Reorganize String LeetCode 23. Merge k Sorted Lists LeetCode 138. Copy List with Random Pointer https://leetcode.com/problems/reorganize-string/description/ https://leetcode.com/problems/merge-k-sorted-lists/description/ https://leetcode.com/problems/copy-list-with-random-pointer/description/

Quick Answer: This set of problems evaluates proficiency in string manipulation, priority-queue/heap usage and greedy strategies, and linked-list operations including pointer management and cloning, reflecting core data structure and algorithm competencies.

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Amazon
Jul 29, 2025, 8:05 AM
Software Engineer
Onsite
Coding & Algorithms
12
0
Coding Console
Question

LeetCode 767. Reorganize String

LeetCode 23. Merge k Sorted Lists

LeetCode 138. Copy List with Random Pointer

https://leetcode.com/problems/reorganize-string/description/ https://leetcode.com/problems/merge-k-sorted-lists/description/ https://leetcode.com/problems/copy-list-with-random-pointer/description/

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