Sign In
Back to Sheets/Snowflake Master DSA Sheet

Snowflake Master DSA Sheet

This compilation contains exclusive, previously asked data structure and algorithm questions from real Snowflake interviews. Focus on these core problem patterns to confidently tackle even the hardest interview challenges.

top-specificsnowflake-prep
0
104
Graph Valid Tree30 Days
Medium
Course Schedule II30 Days
Medium
Jump Game II3 Months
Medium
Alert Using Same Key-Card Three or More Times in a One Hour Period
Medium
Longest Univalue Path
Medium
N-Queens II
Hard
Snapshot Array3 Months
Medium
Design HashMap3 Months
Easy
Meeting Rooms II
Medium
Min Stack
Medium
Time Based Key-Value Store
Medium
Maximum Number of Upgradable Servers
Medium
Painting the Walls3 Months
Hard
Trapping Rain Water6 Months
Hard
Shortest Word Distance30 Days
Easy
Remove Sub-Folders from the Filesystem
Medium
Encode and Decode Strings
Medium
Maximize Distance to Closest Person6 Months
Medium
Copy List with Random Pointer
Medium
Task Scheduler
Medium
Find the Maximum Length of a Good Subsequence I
Medium
Basic Calculator II
Medium
Calculate Amount Paid in Taxes
Easy
Minimum Array Length After Pair Removals
Medium
Random Pick with Weight
Medium
Minimum Window Substring
Hard
Maximum Profit in Job Scheduling3 Months
Hard
String Transformation
Hard
Throne Inheritance6 Months
Medium
Valid Sudoku
Medium
Parallel Courses III3 Months
Hard
Find All Anagrams in a String3 Months
Medium
My Calendar I
Medium
Regular Expression Matching
Hard
Find the Maximum Length of a Good Subsequence II
Hard
Number of Ways to Form a Target String Given a Dictionary6 Months
Hard
Container With Most Water
Medium
Insert Delete GetRandom O(1)
Medium
Basic Calculator
Hard
Non-overlapping Intervals
Medium
Rotting Oranges6 Months
Medium
Word Search II
Hard
Cherry Pickup
Hard
Design In-Memory File System6 Months
Hard
Course Schedule
Medium
Remove K Digits
Medium
Count Vowel Substrings of a String
Easy
Roman to Integer
Easy
Populating Next Right Pointers in Each Node II
Medium
Two Sum
Easy
Web Crawler Multithreaded3 Months
Medium
Single Element in a Sorted Array
Medium
Making A Large Island
Hard
LRU Cache
Medium
Design Circular Queue
Medium
Walls and Gates
Medium
Web Crawler3 Months
Medium
Path With Minimum Effort
Medium
N-Queens
Hard
Design Hit Counter6 Months
Medium
Design Add and Search Words Data Structure
Medium
Reverse Nodes in k-Group
Hard
Implement Trie (Prefix Tree)
Medium
Remove Invalid Parentheses
Hard
Simplify Path
Medium
Merge k Sorted Lists6 Months
Hard
Top K Frequent Elements3 Months
Medium
Merge Two Sorted Lists
Easy
Parallel Courses3 Months
Medium
The Maze6 Months
Medium
Add Two Numbers
Medium
Design Log Storage System
Medium
Best Time to Buy and Sell Stock
Easy
Leaf-Similar Trees
Easy
Word Search
Medium
Evaluate Division
Medium
Integer to English Words
Hard
Word Break
Medium
Design File System
Medium
Boundary of Binary Tree30 Days
Medium
Happy Number3 Months
Easy
Keys and Rooms3 Months
Medium
Populating Next Right Pointers in Each Node
Medium
Valid Word Abbreviation
Easy
Max Area of Island
Medium
Step-By-Step Directions From a Binary Tree Node to Another
Medium
Count Nodes Equal to Average of Subtree
Medium
Patching Array
Hard
Find Median from Data Stream
Hard
Paint Fence6 Months
Medium
Cheapest Flights Within K Stops6 Months
Medium
Most Profitable Path in a Tree
Medium
Maximum Number of Events That Can Be Attended
Medium
Reverse Only Letters
Easy
Maximum Number of Removable Characters
Medium
Campus Bikes
Medium
Minimum Operations to Make Numbers Non-positive
Hard
Height of Binary Tree After Subtree Removal Queries
Hard
Parallel Courses II6 Months
Hard
Maximum Number of Events That Can Be Attended II
Hard
Construct Binary Tree from Preorder and Inorder Traversal
Medium
Most Stones Removed with Same Row or Column
Medium
Boats to Save People
Medium
Swap Nodes in Pairs
Medium