MercadoLibre Coding Interview Questions
26 MercadoLibre coding interview problems with full optimal solutions — 13 easy, 10 medium, 3 hard. Every problem ships with multiple approaches (brute-force first, then the optimal), complexity tables for each, company-specific tips on what an MercadoLibre interviewer values, and a FAQ section.
Showing 10 problems of 26
- #14mediumfoundational
14. Add Two Numbers
Sum two integers represented as reverse-order linked lists, digit by digit.
- #15mediumfoundational
15. Longest Substring Without Repeating Characters
Find the length of the longest contiguous substring without repeated characters.
- #16mediumfoundational
16. Container With Most Water
Find two lines that together with the x-axis form the largest area container.
- #17mediumfoundational
17. 3Sum
Return all unique triplets in an array that sum to zero.
- #18mediumfoundational
18. Group Anagrams
Cluster strings that are anagrams of each other.
- #19mediumfoundational
19. Spiral Matrix
Return all elements of a matrix in spiral order.
- #20mediumfoundational
20. Jump Game
Decide whether you can reach the last index starting from the first index with bounded jumps.
- #21mediumfoundational
21. Merge Intervals
Merge overlapping intervals into the smallest set of non-overlapping ranges.
- #22mediumfoundational
22. Word Search
Decide whether a word can be traced through neighboring cells of a 2D grid.
- #23mediumfoundational
23. LRU Cache
Design a least-recently-used cache supporting O(1) get and put.