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IBM LeetCode interview questions

Prepare for IBM technical interviews with 172 tracked LeetCode questions, sortable by difficulty and topic.

Difficulty Breakdown
Topics
Array (104)String (47)Hash Table (36)Sorting (33)Two Pointers (33)Greedy (26)Math (24)Binary Search (23)Dynamic Programming (17)Prefix Sum (17)Stack (14)Bit Manipulation (12)Simulation (12)Sliding Window (12)Heap (Priority Queue) (10)Counting (9)Matrix (9)Depth-First Search (7)Backtracking (6)Breadth-First Search (5)Linked List (5)Database (4)Divide and Conquer (4)Monotonic Stack (4)Union Find (4)Binary Indexed Tree (3)Design (3)Graph (3)Queue (3)Segment Tree (3)Memoization (2)Monotonic Queue (2)Number Theory (2)Topological Sort (2)Trie (2)Binary Search Tree (1)Binary Tree (1)Bucket Sort (1)Counting Sort (1)Data Stream (1)Doubly-Linked List (1)Enumeration (1)Game Theory (1)Merge Sort (1)Ordered Set (1)Recursion (1)String Matching (1)Tree (1)

Company analytics

What to expect in IBM interviews

Questions tracked

172

Questions currently linked to IBM

Topics represented

48

Distinct topics visible in this company set

Dominant difficulty

medium

60% of tracked questions

Avg frequency score

61.8

Mean frequency across this company question set

IBM currently has 172 tracked questions linked to 48 topics, so this page is a good benchmark for how deep the dataset goes on one employer.

The most common topics for IBM include Array, String, Hash Table, and Sorting. Array alone appears 104 times in the visible topic distribution. That topic spread helps you identify whether this company is repeating a few patterns or testing across a broader surface area.

The current question set averages a frequency score of 61.8, and medium is the dominant difficulty bucket at 60% of tracked coverage. That makes it easier to decide whether to practice for repetition, complexity, or both.

IBM interview questions FAQ

This section answers the most practical questions about using the IBM route as a company-specific LeetCode study page.

What should I study first for IBM interview prep?

Start with the highest-frequency questions inside Array, String, and Hash Table, then sort the table by frequency to build a shortlist. That gives you a faster first pass through IBM's interview patterns than trying to cover every linked problem at once.

What difficulty level shows up most for IBM?

medium makes up 60% of the tracked IBM question set. Use that split to decide whether your study plan should emphasize coverage, realistic interview pressure, or deeper problem solving.

How should I use the IBM page with the rest of Magicsheet?

Use this page to identify IBM's strongest topic signal, then open Array and the global most-asked or questions explorer routes to see whether that company-specific pattern is also common across the wider dataset.