Blind 75 Problems

Blind 75 Problems

Accelerate your coding interview prep with Educative’s guide to Blind 75 — a treasure trove of essential coding challenges designed to help you practice your skills and increase your odds of success.

Master a pattern-based approach to coding challenges. Confidently unlock thousands of top interview questions.


Master Coding Interviews in 5 Popular Languages


What is Blind 75?

Blind 75 LeetCode questions are a curated compilation of the most frequently asked data structures and algorithms-based coding interview problems at big tech companies, including FAANG.

Blind 75 has a track record of proven results — mastering this list will increase your chances of having a successful interview and boosting your career opportunities.

This guide is curated to help you solidify a pattern-based approach to answers coding challenges, which you can apply to even the trickiest interview questions.


Practice Coding Interview Problems

Unique Path'.png
Decoding Ways.png
Best day to sell and buy stocks - icon.png

Unique Paths

Decode Ways

Best Time to Buy and Sell Stock

5. Valid Parentheses.png
House Robber.png

Valid Anagram

Valid Parentheses

House Robber

Product of Array Except Self.png
House Robber 2.png
Number of Connected Components in an Undirected Graph.png

Product of Array Except Self

House Robber II

Number of Connected Components in an Undirected Graph

13. Graph Valid Tree.png
Meeting rooms II.png
Search in Rotated Sorted Array.png

Graph Valid Tree

Meeting Rooms II

Search in Rotated Sorted Array

Longest Consecutive Sequence.png
Find Minimum in Rotated Sorted Array.png

Word Search II

Longest Consecutive Sequence

Find Minimum in Rotated Sorted Array

Longest Repeating Character Replacement.png
Insert Intervals.png
Find Median from Data Stream.png

Longest Repeating Character Replacement

Insert Interval

Find Median from Data Stream

8. remove nth node form end of list.png
Merge K Sorted Lists.png
Pacific Atlantic Water Flow.png

Remove Nth Node From End Of List

Merge K Sorted Lists

Pacific Atlantic Water Flow

Minimum Window Substring.png
2. Validate Binary Search Tree.png
Non-overlapping Intervalsldpi.png

Minimum Window Substring

Validate Binary Search Tree

Non-overlapping Intervals

Construct Binary Tree from Preorder and Inorder Traversal.png
Top K Frequent Elements.png
6. clone graph.png

Construct Binary Tree from Preorder and Inorder Traversal

Top K Frequent Elements

Clone Graph

Kth Smallest Element in a BST.png
8. Serialize and Deserialize Binary Tree.png
Binary Tree Maximum Path Sum.png

Kth Smallest Element in a BST

Serialize and Deserialize Binary Tree

Binary Tree Maximum Path Sum

Maximum Depth of Binary Treeldpi.png