Overview
Basic Data Structures
DFS on Tree
Binary Search Tree
Advanced
Combinatorial Search
Additional States
Aggregation and Memoization
Dedup
Additional Practices
Vanilla BFS
Matrix as Graph
Implicit Graph
Directed Graph / Topological Sort
Weighted Graph
Minimum Spanning Tree
Introduction
Same Direction
Opposite Direction
Sliding Window
Prefix Sum
Cycle Finding
Introduction
Coin Change
Dynamic number of subproblems
Game Theory
Two Sequences
0-1 Knapsack
Disjoint Set Union | Union Find
Data Structure Design
Segment Tree
Monotonic Stack
Line Sweep
Tree Traversal without Recursion
Greedy
Amazon OA
- Amazon Online Assessment Questions 2021 (OA)
- Robot in Circle
- Number Game
- Find All Combination of Numbers that Sum to a Target
- Fill The Truck
- Slowest Key
- Five Star Sellers
- Number of Ways to Split Into Primes
- Storage Optimization
- Music Pair
- Minimum Difficulty of a Job Schedule
- Autoscale Policy, Utilization Check
- Optimal Utilization
- Merge Two Sorted Lists
- Two Sum - Unique Pairs
- Shopping Patterns
- Amazon Prime Air Delivery Route
- Reorder Data in Log Files
- Top K Frequently Mentioned Keywords
Microsoft OA
- Microsoft Online Assessment Questions
- Max Network Rank
- Minimum Adj Swaps to Make Palindrome
- Lexicographically Smallest String
- Longest Substring Without 3 Contiguous Occurrences of Letter
- Min Moves to Obtain String Without 3 Identical Consecutive Letters
- String Without 3 Identical Consecutive Letters
- Longest Semi-Alternating Substring
- Min Steps to Make Piles Equal Height
- Day of week that is K days later
- Max Inserts to Obtain String Without 3 Consecutive 'a'
- Concatenated String Length with unique Characters
- Largest K such that both K and -K exist in array
- Min Adj Swaps to Group Red Balls
- Maximum Length of a Concatenated String with Unique Characters
- Unique Integers That Sum Up To 0
- Min Deletions To Obtain String in Right Format
- Particle Velocity
- Widest Path Without Trees
- Jump Game
- Fair Indexes
- Partition array into N subsets with balanced sum
Google OA
- Google Online Assessment Questions 2021 (OA)
- Compare Strings
- Largest Subarray
- Maximum Area Serving Cake
- Minimum Number of Decreasing Subsequence Partitions
- Pick Up Coupons
- Rose Garden
- Smallest Integer Satisfying the Rule
- Fill 2D Array
- Water Plants
- Split Strings
- Google Online Assessment 2021 (OA) - Rings on Rods
- Google Online Assessment 2021 (OA) - Longest Palindrome