Learn Code Interview Guide

Learn Code

Hello Interview · 121 topics

👋 Introduction 1

📖 Two Pointers 8

🔒 Overview 🔒 Container With Most Water 🔒 Two Sum (Sorted Array) 3-Sum 🔒 Triangle Numbers 🔒 Move Zeroes 🔒 Sort Colors 🔒 Trapping Rain Water

📖 Sliding Window 7

🔒 Overview 🔒 Maximum Sum of Subarrays of Size K 🔒 Max Points You Can Obtain From Cards 🔒 Max Sum of Distinct Subarrays Length k 🔒 Overview (Fixed Window) 🔒 Longest Substring Without Repeating Characters Longest Repeating Character Replacement

📖 Intervals 6

🔒 Overview Can Attend Meetings 🔒 Insert Interval 🔒 Non-Overlapping Intervals 🔒 Merge Intervals 🔒 Employee Free Time

📖 Stack 7

🔒 Overview 🔒 Valid Parentheses 🔒 Decode String 🔒 Longest Valid Parentheses 🔒 Overview (Monotonic Stack) Daily Temperatures 🔒 Largest Rectangle in Histogram

📖 Linked List 6

🔒 Overview Linked List Cycle 🔒 Palindrome Linked List 🔒 Remove Nth Node From End of List 🔒 Reorder List 🔒 Swap Nodes in Pairs

📖 Binary Search 6

🔒 Overview Apple Harvest (Koko Eating Bananas) 🔒 Search in Rotated Sorted Array 🔒 Split Array Largest Sum 🔒 Kth Smallest Element in a Sorted Matrix 🔒 Minimum Shipping Capacity

📖 Heap 6

🔒 Overview 🔒 Kth Largest Element in an Array 🔒 K Closest Points to Origin Find K Closest Elements 🔒 Merge K Sorted Lists 🔒 Median from Data Stream

📖 Depth-First Search 20

🔒 Introduction 🔒 Fundamentals 🔒 Return Values 🔒 Maximum Depth of Binary Tree 🔒 Path Sum 🔒 Passing Values Down and Helper Functions 🔒 Validate Binary Search Tree 🔒 Calculate Tilt 🔒 Diameter of a Binary Tree 🔒 Path Sum II 🔒 Longest Univalue Path 🔒 Graphs Overview Adjacency List 🔒 Copy Graph 🔒 Graph Valid Tree 🔒 Matrices 🔒 Flood Fill 🔒 Number of Islands 🔒 Surrounded Regions 🔒 Pacific Atlantic Water Flow

📖 Breadth-First Search 11

🔒 Introduction 🔒 Overview 🔒 Level Order Sum 🔒 Rightmost Node 🔒 Zigzag Level Order 🔒 Maximum Width of Binary Tree 🔒 Graphs Overview 🔒 Minimum Knight Moves 🔒 Rotting Oranges 01-Matrix 🔒 Bus Routes

📖 Backtracking 8

🔒 Overview 🔒 Word Search 🔒 Solution Space Trees 🔒 Subsets 🔒 Generate Parentheses Combination Sum 🔒 Palindrome Partitioning 🔒 N-Queens

📖 Graphs 8

🔒 Overview 🔒 Course Schedule 🔒 Course Schedule II 🔒 Shortest Path Algorithms 🔒 Network Delay Time Cheapest Flights Within K Stops 🔒 Path With Minimum Effort 🔒 Find City with Fewest Reachable

📖 Dynamic Programming 12

🔒 Fundamentals 🔒 Solving a Question with Dynamic Programming Counting Bits 🔒 Decode Ways 🔒 Unique Paths 🔒 Maximal Square 🔒 Longest Increasing Subsequence 🔒 Word Break 🔒 Maximum Profit in Job Scheduling 🔒 Paint House 🔒 Paint House II 🔒 Minimum Window Subsequence

📖 Greedy Algorithms 6

🔒 Overview Best Time to Buy and Sell Stock 🔒 Gas Station 🔒 Jump Game 🔒 Jump Game II 🔒 Partition Labels

📖 Trie 3

🔒 Overview Implement Trie Methods 🔒 Prefix Matching

📖 Prefix Sum 3

🔒 Overview Count Vowels in Substrings 🔒 Subarray Sum Equals K

📖 Matrices 3

🔒 Spiral Matrix Rotate Image 🔒 Set Matrix Zeroes