Twilio Interview Questions — 13 DSA Problems

13 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked Twilio LeetCode questions for software engineering interviews.

• Maximize Greatness of an Array (MEDIUM) — Array, Two Pointers, Greedy, Sorting
• Univalued Binary Tree (EASY) — Tree, Depth-First Search, Breadth-First Search, Binary Tree
• Reformat Date (EASY) — String
• Letter Combinations of a Phone Number (MEDIUM) — Hash Table, String, Backtracking
• Top K Frequent Elements (MEDIUM) — Array, Hash Table, Divide and Conquer, Sorting, Heap (Priority Queue), Bucket Sort, Counting, Quickselect
• First Missing Positive (HARD) — Array, Hash Table
• Minimum Number of Swaps to Make the String Balanced (MEDIUM) — Two Pointers, String, Stack, Greedy
• Text Justification (HARD) — Array, String, Simulation
• Minimum Equal Sum of Two Arrays After Replacing Zeros (MEDIUM) — Array, Greedy
• Group Anagrams (MEDIUM) — Array, Hash Table, String, Sorting
• Reconstruct Itinerary (HARD) — Depth-First Search, Graph, Eulerian Circuit
• Wildcard Matching (HARD) — String, Dynamic Programming, Greedy, Recursion
• Ways to Make a Fair Array (MEDIUM) — Array, Prefix Sum