Question 1

How many LeetCode questions does Mastercard ask in interviews?

Accepted Answer

Mastercard has 12 known LeetCode interview questions. The difficulty breakdown is 5 Easy, 6 Medium, and 1 Hard problems.

Question 2

What are the most common topics in Mastercard coding interviews?

Accepted Answer

The most frequently asked topics at Mastercard are Array (8 questions), String (4 questions), Dynamic Programming (3 questions), Greedy (3 questions), Hash Table (2 questions). Focus on these topics to maximize your preparation.

Question 3

How should I prepare for a Mastercard coding interview?

Accepted Answer

Start with the most frequently asked Mastercard problems on CodeJeet, sorted by frequency. Focus on Medium difficulty first since Mastercard asks 6 Medium problems. Practice the top topics: Array, String, Dynamic Programming.

Title	Difficulty	Acceptance	Frequency	Topics
Two Sum	Easy	57.1%	100.0%	ArrayHash Table
Valid Parentheses	Easy	43.7%	94.1%	StringStack
Best Time to Buy and Sell Stock	Easy	56.4%	86.5%	ArrayDynamic Programming
Valid Anagram	Easy	67.8%	86.5%	Hash TableStringSorting
Subsets	Medium	82.1%	75.8%	ArrayBacktrackingBit Manipulation
Fizz Buzz	Easy	75.3%	75.8%	MathStringSimulation
Container With Most Water	Medium	59.6%	75.8%	ArrayTwo PointersGreedy
Rotate Image	Medium	79.4%	75.8%	ArrayMathMatrix
Longest Palindromic Substring	Medium	37.4%	75.8%	Two PointersStringDynamic Programming
Candy	Hard	48.0%	75.8%	ArrayGreedy
Gas Station	Medium	47.5%	75.8%	ArrayGreedy
Coin Change	Medium	48.0%	75.8%	ArrayDynamic ProgrammingBreadth-First Search

Mastercard

Difficulty Distribution

Top Topics

All Questions