| Cousins in Binary Tree |
Easy
|
adobe
amazon
bloomberg
facebook
goldman-sachs
microsoft
yext
|
|
| Cousins in Tree Definition |
|
|
|
| Good vs Bad Hash function examples |
|
|
|
| Implement queue using deque |
Easy
|
|
|
| Implement stack using deque |
Easy
|
|
|
| Implement stack using priority queue |
Easy
|
adobe
microsoft
amazon
|
|
| Design a vending machine like coffee vending machine |
Medium
|
inmobi
|
|
| Aho-Corasick Algorithm for Multi-Pattern String Search |
Hard
|
|
|
| Autocomplete Suggestion System |
Medium
|
twitter
|
|
| Balanced delimiters in an expression |
Easy
|
uber
|
|
| Catalan Numbers |
Medium
|
|
|
| Climbing Stairs - Take atmost 2 Steps |
Easy
|
adobe
alibaba
amazon
apple
baidu
bloomberg
citadel
facebook
goldman-sachs
google
huawei
linkedin
microsoft
nvidia
oracle
tripadvisor
uber
zulily
|
|
| Clone Undirected Graph |
Medium
|
amazon
apple
facebook
google
linkedin
mathworks
microsoft
pocket-gems
splunk
twitter
uber
vmware
|
|
| Construct Binary Tree from Inorder and Level Order Traversal |
Medium
|
|
|
| Convert Sorted Array to height-balanced Binary Search Tree |
Easy
|
airbnb
amazon
apple
bloomberg
cisco
facebook
google
microsoft
oracle
yahoo
|
|
| Copy List with Random Pointer |
Medium
|
adobe
amazon
apple
bloomberg
capital-one
ebay
expedia
facebook
google
microsoft
nutanix
oracle
qualtrics
snapchat
uber
visa
yahoo
|
|
| Delete X Nodes After Y Nodes |
Medium
|
|
|
| Evaluation of Arithmetic Expression Tree |
Medium
|
microsoft
|
|
| Flatten a Multi-Level Linked List level by level |
Medium
|
facebook
|
|
| Intersection of Two Linked Lists |
Easy
|
airbnb
alibaba
amazon
apache-design
bloomberg
bytedance
cisco
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
morgan-stanley
netapp
oracle
qualcomm
redfin
sap
tencent
yahoo
|
|
| K reverse a Linked List in alternating way |
Medium
|
|
|
| Lowest Common Ancestor of a Binary Search Tree |
Medium
|
adobe
amazon
bloomberg
cisco
facebook
google
linkedin
microsoft
oracle
twitter
uber
|
|
| Maximal Square |
Medium
|
adobe
airbnb
amazon
appdynamics
apple
bloomberg
citadel
facebook
google
huawei
microsoft
oracle
two-sigma
uber
vmware
|
|
| Minimum Path Sum in matrix |
Medium
|
adobe
amazon
apple
bloomberg
dropbox
facebook
goldman-sachs
google
microsoft
nvidia
rubrik
uber
wish
|
|
| Minimum Window Substring |
Hard
|
adobe
airbnb
amazon
apple
bloomberg
bytedance
cohesity
deutsche-bank
directi
ebay
facebook
godaddy
goldman-sachs
google
linkedin
lyft
microsoft
nutanix
oracle
salesforce
snapchat
tencent
twitter
uber
visa
vmware
yahoo
|
|
| N-Queens |
Hard
|
adobe
amazon
apple
bytedance
ebay
facebook
google
microsoft
oracle
rubrik
tableau
uber
|
|
| Print All Combinations of subset of size K from Given Array |
Medium
|
|
|
| Print binary representation of a decimal number |
Medium
|
|
|
| Rabin-Karp Algorithm Explained |
Medium
|
|
|
| Rearrange array elements - first and second half in alternating order |
Easy
|
|
|
| Rearrange array to match each index with element value |
Medium
|
|
|
| Return all diagonals of a rectangular two-dimensional matrix |
Medium
|
|
|
| Reverse a Doubly Linked List |
Medium
|
|
|
| Swap Every Kth Node in a LinkedList |
Medium
|
|
|
| Unique Paths in Grid 1-2 - Get all paths moving right or down |
Medium
|
|
|
| Binary Tree Left Side View |
Medium
|
|
|
| Binary Tree Right Side View |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
bytedance
citadel
ebay
facebook
google
mathworks
microsoft
nvidia
oracle
paypal
sap
uber
vmware
|
|
| Create linked lists of all the nodes at each depth for a Binary Tree |
Medium
|
|
|
| Diameter Of a Binary Tree |
Easy
|
adobe
amazon
apple
atlassian
baidu
bloomberg
bytedance
facebook
google
intel
microsoft
oracle
qualtrics
tencent
|
|
| Floyd Cycle-Finding Algorithm |
Medium
|
|
|
| K Reverse a linked list |
Hard
|
adobe
amazon
apple
bytedance
cisco
cohesity
ebay
facebook
google
mathworks
microsoft
paypal
vmware
|
|
| Linked List Cycle 1 - Detect Cycle |
Easy
|
adobe
amazon
apple
bloomberg
cisco
ebay
facebook
goldman-sachs
google
linkedin
microsoft
oracle
vmware
yahoo
|
|
| Maximum Depth of Binary Tree |
Easy
|
adobe
amazon
apple
bloomberg
bytedance
facebook
goldman-sachs
google
linkedin
microsoft
paypal
sap
uber
yahoo
|
|
| Populate next pointer to right node in Perfect Binary Tree |
Medium
|
amazon
apple
bloomberg
didi
facebook
google
microsoft
nutanix
oracle
sap
vmware
|
|
| Same Tree |
Easy
|
amazon
apple
bloomberg
facebook
google
linkedin
microsoft
|
|
| Search a 2D Matrix 2 - Rows and columns are sorted |
Medium
|
adobe
amazon
apple
baidu
bloomberg
bytedance
citadel
ebay
expedia
facebook
goldman-sachs
google
linkedin
microsoft
oracle
paypal
salesforce
sap
tencent
yahoo
|
|
| Sum of Left Leaves |
Easy
|
adobe
amazon
bloomberg
expedia
facebook
google
mathworks
|
|
| Validate Stack Sequences |
Medium
|
google
linkedin
|
|
| Binary Tree Preorder Traversal |
Easy
|
amazon
bloomberg
cisco
google
microsoft
|
|
| Allocate Mailboxes |
Hard
|
bloomberg
|
|