| Minimum Swaps to Group All 1's Together 1 - In an array | Medium | expedia | |
| Minimum Swaps to Group All 1's Together 2 - In circular array | Medium | | |
| Number of Senior Citizens Problem | Easy | | |
| Largest value path in a directed graph Problem | Hard | google | |
| Filling Bookcase Shelves Problem | Medium | bloomberg
google | |
| Implement rand5() using rand7() | Easy | two-sigma | |
| Bishop diagonally attack on chess board problem | Medium | google | |
| Minimum Deletions to Make String Balanced Problem | Medium | | |
| Count Number of Teams Problem | Medium | amazon
goldman-sachs | |
| Second Minimum Time to Reach Destination Problem | Hard | | |
| Shortest Uphill-Downhill Route for a Competitive Runner | Medium | square | |
| Minimum Cost to Convert String 1 | Medium | | |
| Count Knight's Tour | Hard | google | |
| Sort the Jumbled Numbers Problem | Medium | | |
| Simulating an Unbiased Coin Toss Using a Biased Coin | Medium | square | |
| Sort Array by Increasing Frequency Problem | Easy | | |
| Interleave the first half of the stack with second half using one queue | Medium | | |
| Sort the People Problem | Easy | | |
| Build a Matrix With Conditions Problem | Hard | | |
| Find Valid Matrix Given Row and Column Sums Problem | Medium | | |
| Lucky Numbers in a Matrix Problem | Easy | oracle | |
| Delete Nodes And Return Forest Problem | Medium | amazon
google | |
| Step-By-Step Directions From a Binary Tree Node to Another Problem | Medium | | |
| Create Binary Tree From Descriptions Problem | Medium | | |
| Number of Atoms Problem | Hard | adobe
amazon
bytedance
facebook
google
pinterest | |
| Low bandwidth almost similar file syncing algorithm between two computers | Hard | google | |
| m Coloring Problem - undirected graph as adjacency matrix | Medium | google | |
| Locking and unlocking resources represented as binary tree nodes | Medium | google | |
| Find the Shortest Path between 2 cells in boolean maze | Easy | google | |
| Design log Order records | Easy | twitter | |
| Maximum Score From Removing Substrings Problem | Medium | | |
| Reverse Substrings Between Each Pair of Parentheses Problem | Medium | adobe
oracle
postmates | |
| Estimating the value of Pi using Monte Carlo method | Medium | google | |
| Implement Job Scheduler with Delay Function Execution | Medium | apple | |
| Implementing car and cdr Functions for Pair Construction | Medium | jane-street | |
| Find the Winner of the Circular Game Problem | Medium | | |
| Water Bottles Problem | Easy | microsoft | |
| Find the Minimum and Maximum Number of Nodes Between Critical Points Problem | Medium | | |
| Merge Nodes in Between Zeros Problem | Medium | microsoft | |
| Minimum Difference Between Largest and Smallest Value in Three Moves Problem | Medium | google | |
| Find all paths in a binary tree which sum upto value | Medium | | |
| Three Consecutive Odds | Easy | | |
| All Ancestors of a Node in a Directed Acyclic Graph Problem | Medium | | |
| Split Linked List in Parts Problem | Medium | adobe
amazon | |
| Maximum Total Importance of Roads Problem | Medium | | |
| Find length of the linked list | Easy | | |
| Remove duplicates from an unsorted linked list keeping only unique elements | Medium | | |
| Find Center of Star Graph Problem | Easy | | |
| Balance a Binary Search Tree Problem | Medium | amazon | |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Problem | Medium | ebay
google | |