CrowdStrike Interview Questions — 11 DSA Problems

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

Most frequently asked CrowdStrike LeetCode questions for software engineering interviews.

• String Compression (MEDIUM) — Two Pointers, String
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• Merge Intervals (MEDIUM) — Array, Sorting
• Encode and Decode Strings (MEDIUM) — Array, String, Design
• Trapping Rain Water (HARD) — Array, Two Pointers, Dynamic Programming, Stack, Monotonic Stack
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Move Zeroes (EASY) — Array, Two Pointers
• Time Based Key-Value Store (MEDIUM) — Hash Table, String, Binary Search, Design
• Spiral Matrix (MEDIUM) — Array, Matrix, Simulation
• Squares of a Sorted Array (EASY) — Array, Two Pointers, Sorting
• Course Schedule (MEDIUM) — Depth-First Search, Breadth-First Search, Graph, Topological Sort