| NSR - Nearest Smaller Element to Right of every element |
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| NGR - Nearest Greater Element to Right of every element |
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| NGL - Nearest Greater Element to Left of every element |
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| Score of Parentheses Problem |
Medium
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adobe
amazon
bytedance
|
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| Verify Preorder Sequence in Binary Search Tree |
Medium
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mathworks
uber
zenefits
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| Find right-most cousin in a binary tree |
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| Number of Steps to Reduce a Number to Zero Problem |
Easy
|
google
hrt
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| Design Circular Queue Problem |
Medium
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airbnb
amazon
apple
citadel
cloudera
facebook
google
microsoft
oracle
splunk
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| Graph Representation - Adjacency List and Map |
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| Graph Representation - Adjacency List (with isDirected) |
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| Path with Maximum Probability Problem |
Medium
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google
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| Find the City With the Smallest Number of Neighbors at a Threshold Distance Problem |
Medium
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uber
|
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| Average Waiting Time Problem |
Medium
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|
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| Richest Customer Wealth Problem |
Easy
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| Camelcase Matching Problem |
Medium
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amazon
google
|
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| Best Time To Buy And Sell Stock - Any number of times - Overlapping Transactions |
Medium
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|
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| Car Fleet Problem |
Medium
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google
|
|
| Maximum Length of a Concatenated String with Unique Characters |
Medium
|
honey
microsoft
tesla
|
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| Check If Two String Arrays are Equivalent Problem |
Easy
|
|
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| Minimum Remove to Make Valid Parentheses |
Medium
|
amazon
bloomberg
bytedance
facebook
google
microsoft
|
|
| Serialize and Deserialize N-Ary Tree |
Hard
|
amazon
apple
ebay
facebook
google
linkedin
microsoft
pinterest
uber
|
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| Minimum Interval to Include Each Query |
Hard
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| Median of Two Sorted Array of Equal or Same Size |
Medium
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| 4Sum - Output in Sorted Order |
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| 4Sum 2 - 4 Different Arrays |
Medium
|
apple
|
|
| Remove Covered Intervals |
Medium
|
amazon
|
|
| Longest Happy String Problem |
Medium
|
amazon
wayfair
|
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| Find minimum difference Element in sorted array |
|
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| Open the Lock Problem |
Medium
|
amazon
bloomberg
facebook
google
uber
|
|
| Partition Labels Problem |
Medium
|
amazon
apple
facebook
|
|
| Trim a Binary Search Tree BST |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
yahoo
|
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| Flatten Binary Tree to Linked List in Order of Preorder Traversal |
Medium
|
adobe
amazon
apple
bloomberg
bytedance
coupang
databricks
facebook
google
microsoft
nvidia
oracle
uber
yahoo
|
|
| Merge Triplets to Form Target Triplet |
Medium
|
|
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| Encode and Decode TinyURL Problem |
Medium
|
adobe
amazon
bloomberg
facebook
google
microsoft
oracle
uber
|
|
| Flip Equivalent Binary Trees Problem |
Medium
|
amazon
ebay
google
|
|
| Eliminate Maximum Number of Monsters |
Medium
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|
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| Unique Length-3 Palindromic Subsequences |
Medium
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| Check if Intervals Overlap |
Easy
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| Decode String Problem |
Medium
|
alibaba
amazon
appdynamics
apple
atlassian
bloomberg
bytedance
cisco
coupang
cruise-automation
ebay
facebook
google
huawei
hulu
microsoft
oracle
salesforce
snapchat
tencent
vmware
yahoo
yelp
|
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| Frequency of the Most Frequent Element |
Medium
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|
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| Run-length Encoding |
Easy
|
amazon
|
|
| Rotate an Array to Left |
Medium
|
facebook
|
|
| Partition Equal Subset Sum |
Medium
|
amazon
apple
ebay
facebook
google
microsoft
paypal
uber
vmware
yahoo
|
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| Find last position of target element in sorted array |
|
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| Minimum Number of Swaps to Make the String Balanced Problem |
Medium
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|
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| Anagram Definition |
|
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| Maximum Intervals Overlap Count |
Medium
|
snapchat
|
|
| Linked List Cycle 4 - Delete cycle |
Medium
|
|
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| Find if Path Exists in Directed Graph Problem |
Easy
|
|
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| Find if Path Exists in Graph Problem |
Easy
|
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