Stack of plates |
Medium
|
microsoft
amazon
|
|
Evaluate Reverse Polish Notation |
Medium
|
amazon
atlassian
facebook
google
jane-street
linkedin
microsoft
opendoor
oracle
uber
vmware
yandex
zillow
|
|
Linked List Cycle 3 - Find length of cycle |
Medium
|
|
|
Reverse Words in a String |
Medium
|
amazon
apple
bloomberg
cisco
citadel
facebook
google
huawei
microsoft
nvidia
oracle
qualcomm
salesforce
snapchat
vmware
yelp
zillow
|
|
Longest Palindromic Substring |
Medium
|
adobe
airbnb
alibaba
amazon
appdynamics
apple
bloomberg
cisco
ebay
facebook
godaddy
google
huawei
jpmorgan
mathworks
microsoft
nutanix
oracle
paypal
pure-storage
roblox
samsung
sap
servicenow
tencent
uber
vmware
wayfair
yahoo
yandex
|
|
Subsets 1 |
Medium
|
adobe
amazon
apple
atlassian
bloomberg
bytedance
coupang
ebay
facebook
goldman-sachs
google
lyft
microsoft
uber
yahoo
|
|
Is Subsequence |
Easy
|
amazon
bloomberg
coursera
facebook
google
pinterest
|
|
Maximum Number of Removable Characters Problem |
Medium
|
|
|
Subarrays vs Subsequences vs Subsets Definition |
Easy
|
|
|
Convert String to Integer atoi |
Medium
|
adobe
amazon
apple
bloomberg
cisco
citadel
ebay
facebook
goldman-sachs
google
linkedin
microsoft
nvidia
oracle
redfin
sap
tencent
uber
vmware
zillow
|
|
Check if a Matrix is Invertible |
Medium
|
|
|
Print all subarrays of a given array |
Easy
|
|
|
Sum of all subarrays |
Medium
|
|
|
Finding the most frequent element in an array of numbers from 0 to n-1 |
Medium
|
|
|
Find first duplicate number in an array containing numbers from 1 to n |
Medium
|
|
|
Find duplicates in an array of integers within range 0 to n-1 |
Medium
|
|
|
Majority Element 2 - With n by 3 definition |
Medium
|
adobe
amazon
apple
bloomberg
facebook
google
microsoft
uber
zenefits
|
|
Majority Element 1 - with n by 2 definition |
Easy
|
facebook
google
microsoft
yahoo
|
|
Check if Array is Consecutive Integers |
Medium
|
|
|
Check if Array is Consecutive Positive Integers |
Easy
|
|
|
Contains Duplicate 1 - Check if array has duplicates |
Easy
|
adobe
airbnb
amazon
apple
bloomberg
facebook
microsoft
oracle
palantir-technologies
yahoo
|
|
Find element which appears maximum number of times in the ranged array |
Medium
|
|
|
Find most frequent element in the array |
Easy
|
|
|
Find local minima in a given array |
Medium
|
|
|
Find local minimum or maximum in O(1) time in an array with elements differing by plus minus 1 |
Medium
|
|
|
Find the smallest integer that cannot be represented as sum of any subset of sorted array |
Medium
|
|
|
Count the number of elements from one array less than or equal to elements in another array |
Medium
|
amazon
|
|
Find duplicates in a given array |
Easy
|
|
|
Kth Smallest Element in a BST |
Medium
|
affirm
amazon
apple
bloomberg
facebook
google
hulu
microsoft
oracle
triplebyte
uber
vmware
|
|
Kth smallest absolute difference in array |
Medium
|
|
|
Median of Two Sorted Arrays |
Hard
|
adobe
airbnb
alibaba
amazon
apple
bloomberg
bytedance
didi
dropbox
ebay
facebook
garena
godaddy
goldman-sachs
google
houzz
huawei
jpmorgan
microsoft
oracle
rubrik
tencent
two-sigma
uber
visa
vmware
yahoo
yandex
zenefits
zillow
zulily
|
|
Kth Largest Element Using Randomized Selection |
Medium
|
|
|
Finding the Maximum Distance Between Increasing Elements in an Array |
Medium
|
|
|
Count Occurrences of Anagram |
Medium
|
|
|
Subtree of Another Tree |
Easy
|
amazon
bloomberg
ebay
facebook
google
microsoft
samsung
|
|
Longest Common Prefix in array of string |
Easy
|
adobe
alibaba
amazon
apple
bloomberg
cisco
ebay
facebook
google
ibm
ixl
microsoft
oracle
pinterest
quora
snapchat
splunk
twilio
visa
yelp
|
|
Find rotation count in rotated sorted array |
Medium
|
|
|
Find Minimum in Rotated Sorted Array |
Medium
|
amazon
apple
bloomberg
ebay
facebook
goldman-sachs
google
microsoft
oracle
salesforce
uber
vmware
wish
|
|
Set Matrix Zeros |
Medium
|
adobe
amazon
apple
audible
docusign
expedia
facebook
microsoft
oracle
paypal
salesforce
tripadvisor
|
|
Find duplicate number in array with 1 to N+1 numbers with one number repeating |
Easy
|
|
|
Linked List Cycle 2 - Find Start of a Cycle |
Medium
|
adobe
amazon
apple
ebay
google
linkedin
microsoft
netapp
|
|
Maximal Rectangle |
Hard
|
adobe
amazon
bloomberg
citadel
facebook
google
indeed
karat
microsoft
samsung
uber
vmware
wayfair
|
|
Coin Change with Fewest Number of Coins Given Infinite Supply |
Medium
|
adobe
affirm
airbnb
amazon
apple
blackrock
bloomberg
bytedance
capital-one
ebay
facebook
goldman-sachs
google
jpmorgan
linkedin
microsoft
oracle
paypal
sap
uber
visa
vmware
yahoo
zappos
wework
|
|
Finding the Critical Point in a Mountain or Valley-Shaped Array |
Medium
|
|
|
Find the smallest subarray with a sum greater than a given integer |
Medium
|
|
|
Rearrange array to alternate positive and negative elements |
Medium
|
|
|
Subarray sum equals K - Return any subarray |
Medium
|
lyft
|
|
Sort an array |
Medium
|
amazon
apple
bloomberg
|
|
Binary Search on Sorted Array |
Easy
|
amazon
microsoft
|
|
Insertion Sort |
|
|
|