| Bishop diagonally attack on chess board | Medium | google | |
| Minimum Deletions to Make String Balanced | Medium | | |
| Count Number of Teams | Medium | amazon
goldman-sachs | |
| Second Minimum Time to Reach Destination | 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 | Medium | | |
| Simulating an Unbiased Coin Toss Using a Biased Coin | Medium | square | |
| Sort Array by Increasing Frequency | Easy | | |
| Interleave the first half of the stack with second half using one queue | Medium | | |
| Sort the People | Easy | | |
| Build a Matrix With Conditions | Hard | | |
| Find Valid Matrix Given Row and Column Sums | Medium | | |
| Lucky Numbers in a Matrix | Easy | oracle | |
| Delete Nodes And Return Forest | Medium | amazon
google | |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium | | |
| Create Binary Tree From Descriptions | Medium | | |
| Number of Atoms | Hard | adobe
amazon
bytedance
facebook
google
pinterest | |
| Low bandwidth almost similar file syncing algorithm between two computers | Hard | 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
amazon | |
| Maximum Score From Removing Substrings | Medium | | |
| Reverse Substrings Between Each Pair of Parentheses | Medium | adobe
oracle
postmates | |
| Estimating the value of Pi using Monte Carlo method | Medium | google | |
| Find the Winner of the Circular Game | Medium | bloomberg | |
| Water Bottles | Easy | microsoft | |
| Find the Minimum and Maximum Number of Nodes Between Critical Points | Medium | | |
| Merge Nodes in Between Zeros | Medium | microsoft | |
| Minimum Difference Between Largest and Smallest Value in Three Moves | Medium | google | |
| Three Consecutive Odds | Easy | | |
| Find All Groups of Farmland | Medium | | |
| Accounts Merge | Medium | amazon
apple
bloomberg
facebook
google
houzz
linkedin
microsoft
oracle | |
| All Ancestors of a Node in a Directed Acyclic Graph | Medium | | |
| Split Linked List in Parts | Medium | adobe
amazon | |
| Maximum Total Importance of Roads | Medium | | |
| Find the length of the linked list | Easy | | |
| Remove duplicates from an unsorted linked list keeping only unique elements | Medium | | |
| Find Center of Star Graph | Easy | | |
| Balance a Binary Search Tree | Medium | amazon | |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Problem | Medium | ebay
google | |
| Count Number of Nice Subarrays | Medium | amazon
roblox | |
| Grumpy Bookstore Owner | Medium | nutanix | |
| Magnetic Force Between Two Balls | Medium | | |
| Most Profit Assigning Work | Medium | amazon
netease
nutanix
uber | |
| Number of cells in multiplication table containing X | Medium | apple | |
| Nth Number with sum of digits as 10 | Easy | microsoft | |
| Sum of Square Numbers | Medium | linkedin | |
| IPO | Hard | | |