Lowest Common Ancestor of a Binary Tree 2 - Nodes may not exist in Tree |
Medium
|
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Replace Elements with Greatest Element on Right Side |
Easy
|
amazon
|
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Invert Binary Tree |
Easy
|
amazon
apple
bloomberg
facebook
google
microsoft
salesforce
vmware
|
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First Unique Character in a String |
Easy
|
adobe
amazon
apple
bloomberg
facebook
goldman-sachs
google
huawei
jpmorgan
linkedin
microsoft
servicenow
yahoo
zillow
zulily
|
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Substring with Concatenation of All Words |
Hard
|
adobe
amazon
apple
bloomberg
dropbox
facebook
google
microsoft
|
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Merge Two Binary Trees |
Easy
|
adobe
amazon
apple
bloomberg
facebook
huawei
oracle
|
|
Palindrome Linked List Problem |
Easy
|
adobe
amazon
apple
bloomberg
cisco
facebook
google
grab
intel
ixl
microsoft
nutanix
snapchat
vmware
|
|
Intersection of Two Sorted Array |
|
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Swap two number in place without temporary variables |
|
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Swap Kth node from beginning with Kth node from end in a Linked List |
Medium
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Subarray with sum divisible by k |
|
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Second largest element in binary search tree |
|
dropbox
|
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Replace all occurrences of a pattern in a text by another string |
|
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Reverse a stack in place using recursion |
|
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Reverse the given Array without using built in function |
|
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Reverse a string in C using as little additional memory as possible |
|
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Print all sub sequences of a given array |
|
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Number of elements less than or equal to a given number in a given subarray |
Medium
|
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Minimum Distance Between Two Elements in an Array |
Easy
|
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Merge K Sorted Arrays |
|
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Maximum Product of Three Numbers |
Easy
|
amazon
apple
bloomberg
cisco
citadel
coursera
facebook
goldman-sachs
intuit
redfin
symantec
|
|
Maximum Pairwise Product 2 - Find pair with maximum product in array of Integers |
|
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Maximum Difference between two elements in array |
Easy
|
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Maximum and minimum sum subsequences at a distance greater than equal to M |
|
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Maximize gems collected with an even number of red houses |
|
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Maximum gain in a two-player game with picking elements from array ends |
|
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Nuts and Bolts Problem OR Lock and Key |
|
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Given an array count max number of surpassers |
|
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Find fixed point in sorted array |
|
apple
|
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Implement stack using linked list |
|
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Implement stack using an array |
|
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Implement Exponentiation or Power function using Bitwise Operator |
|
|
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Check Currency Arbitrage with Bellman Ford |
|
jane-street
|
|
Integer to English Words Problem |
Hard
|
amazon
apple
barclays
bloomberg
capital-one
citrix
facebook
google
jpmorgan
linkedin
microsoft
nutanix
oracle
palantir-technologies
paypal
sap
splunk
square
tableau
tesla
uber
visa
yahoo
yelp
zillow
|
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Generate All Strings of n bits |
|
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Swap alternate nodes in a singly linked list |
|
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Split Linked List 1 - At Middle |
|
|
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Merge a Linked list into another at Alternate Positions |
Medium
|
|
|
Fizz Buzz Problem |
Easy
|
adobe
amazon
apple
bloomberg
capital-one
cisco
google
linkedin
microsoft
oracle
salesforce
spotify
wayfair
|
|
Find smallest and second smallest elements in an array |
|
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Find row with maximum number of 1s in sorted matrix |
|
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Find largest three elements in an array |
Easy
|
|
|
Intersection of Three Sorted Arrays |
Easy
|
facebook
tripadvisor
|
|
Snakes and Ladders Problem |
Medium
|
amazon
apple
cisco
facebook
google
hulu
microsoft
uber
|
|
Find all prime factors of given number |
|
|
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Find all unique combinations of factors for given number |
|
|
|
Excel Sheet Column Number Problem |
Easy
|
amazon
apple
bloomberg
dropbox
facebook
factset
google
microsoft
uber
|
|
Deepest Left Node in a Binary Tree |
|
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Calculate the number of valid stack permutations |
|
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Check if number sequence can be generated using stack push and pop operations |
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