Walmart Labs Interview Questions (143)

Practice real interview problems from Walmart Labs

Title	Solution	Practice	Difficulty	Companies	Topics
1. Two Sum	Solution	Solve	Easy	Accenture+126	Array Hash Table
13. Roman to Integer	Solution	Solve	Easy	Accenture+35	Hash Table Math+1
14. Longest Common Prefix	Solution	Solve	Easy	Accenture+59	String Trie
20. Valid Parentheses	Solution	Solve	Easy	Accenture+112	Stack String
26. Remove Duplicates from Sorted Array	Solution	Solve	Easy	Accenture+25	Array Two Pointers
67. Add Binary	Solution	Solve	Easy	Adobe+16	Bit Manipulation Math+2
121. Best Time to Buy and Sell Stock	Solution	Solve	Easy	Accenture+91	Array Dynamic Programming
125. Valid Palindrome	Solution	Solve	Easy	Accenture+38	String Two Pointers
197. Rising Temperature	Solution	Solve	Easy	Accenture+11	Database
283. Move Zeroes	Solution	Solve	Easy	Accenture+45	Array Two Pointers
387. First Unique Character in a String	Solution	Solve	Easy	Accenture+24	Counting Hash Table+2
543. Diameter of Binary Tree	Solution	Solve	Easy	Amazon+19	Binary Tree Depth-First Search+1
697. Degree of an Array	Solution	Solve	Easy	Amazon+11	Array Hash Table
876. Middle of the Linked List	Solution	Solve	Easy	Accenture+12	Linked List Two Pointers
1122. Relative Sort Array	Solution	Solve	Easy	Amazon+5	Array Counting Sort+2
1200. Minimum Absolute Difference	Solution	Solve	Easy	Agoda+15	Array Sorting
1486. XOR Operation in an Array	Solution	Solve	Easy	Google+1	Bit Manipulation Math
2072. The Winner University	Solution	Solve	Easy	Walmart Labs	Database
2423. Remove Letter To Equalize Frequency	Solution	Solve	Easy	Bloomberg+3	Counting Hash Table+1
3005. Count Elements With Maximum Frequency	Solution	Solve	Easy	Amazon+7	Array Counting+1
3090. Maximum Length Substring With Two Occurrences	Solution	Solve	Easy	Microsoft+1	Hash Table Sliding Window+1
3696. Maximum Distance Between Unequal Words in Array I	Solution	Solve	Easy	Walmart Labs	Array String