Title Difficulty Companies Videos
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