Epic Systems Interview Questions — 12 DSA Problems

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

Most frequently asked Epic Systems LeetCode questions for software engineering interviews.

• Additive Number (MEDIUM) — String, Backtracking
• Letter Combinations of a Phone Number (MEDIUM) — Hash Table, String, Backtracking
• Self Dividing Numbers (EASY) — Math
• Spiral Matrix (MEDIUM) — Array, Matrix, Simulation
• Stepping Numbers (MEDIUM) — Math, Backtracking, Breadth-First Search
• Valid Parentheses (EASY) — String, Stack
• Word Search (MEDIUM) — Array, String, Backtracking, Depth-First Search, Matrix
• Angle Between Hands of a Clock (MEDIUM) — Math
• Two Sum (EASY) — Array, Hash Table
• Longest Substring Without Repeating Characters (MEDIUM) — Hash Table, String, Sliding Window
• Bulls and Cows (MEDIUM) — Hash Table, String, Counting
• Palindromic Substrings (MEDIUM) — Two Pointers, String, Dynamic Programming