Mastercard Interview Questions — 12 DSA Problems

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

Most frequently asked Mastercard LeetCode questions for software engineering interviews.

• Two Sum (EASY) — Array, Hash Table
• Valid Parentheses (EASY) — String, Stack
• Valid Anagram (EASY) — Hash Table, String, Sorting
• Best Time to Buy and Sell Stock (EASY) — Array, Dynamic Programming
• Subsets (MEDIUM) — Array, Backtracking, Bit Manipulation
• Fizz Buzz (EASY) — Math, String, Simulation
• Container With Most Water (MEDIUM) — Array, Two Pointers, Greedy
• Rotate Image (MEDIUM) — Array, Math, Matrix
• Longest Palindromic Substring (MEDIUM) — Two Pointers, String, Dynamic Programming
• Candy (HARD) — Array, Greedy
• Gas Station (MEDIUM) — Array, Greedy
• Coin Change (MEDIUM) — Array, Dynamic Programming, Breadth-First Search