| Reconstruct a 2-Row Binary Matrix | Medium | grab | |
| Redundant Connection II | Hard | google | |
| Remove Adjacent Almost-Equal Characters | Medium | | |
| Remove All Ones With Row and Column Flips II | Medium | | |
| Remove Comments | Medium | databricks
goldman-sachs
google
hbo
microsoft
oracle
qualtrics
uber | |
| Remove Digit From Number to Maximize Result | Easy | | |
| Remove Letter To Equalize Frequency | Easy | | |
| Remove One Element to Make the Array Strictly Increasing | Easy | | |
| Remove Trailing Zeros From a String | Easy | | |
| Repeat String | Easy | | |
| Repeated String Match | Medium | adobe
amazon
facebook
google | |
| Replace Elements in an Array | Medium | | |
| Replace Question Marks in String to Minimize Its Value | Medium | | |
| Report Spam Message | Medium | | |
| Reshape Data- Pivot | Easy | | |
| Return Length of Arguments Passed | Easy | | |
| Reverse Nodes in Even Length Groups | Medium | | |
| Reverse Only Letters | Easy | google
microsoft
sap | |
| Reward Top K Students | Medium | | |
| Root Equals Sum of Children | Easy | | |
| Rotated Digits | Medium | facebook
google
microsoft | |
| Second Largest Digit in a String | Easy | | |
| Second Minimum Node In a Binary Tree | Easy | amazon
linkedin
microsoft
uber | |
| Select Data | Easy | | |
| Sell Diminishing-Valued Colored Balls | Medium | | |
| Selling Pieces of Wood | Hard | | |
| Sender With Largest Word Count | Medium | | |
| Separate the Digits in an Array | Easy | | |
| Set Intersection Size At Least Two | Hard | drawbridge
uber | |
| Shortest and Lexicographically Smallest Beautiful String | Medium | | |
| Shortest Completing Word | Easy | google | |
| Shortest Cycle in a Graph | Hard | | |
| Shortest Distance to a Character | Easy | apple
atlassian
bloomberg
facebook
google | |
| Shortest Distance to Target Color | Medium | google | |
| Shortest Distance to Target String in a Circular Array | Easy | | |
| Sign of the Product of an Array | Easy | | |
| Smallest Divisible Digit Product I | Easy | | |
| Smallest Divisible Digit Product II | Hard | | |
| Smallest Index With Equal Value | Easy | | |
| Smallest Missing Genetic Value in Each Subtree | Hard | | |
| Smallest Missing Integer Greater Than Sequential Prefix Sum | Easy | | |
| Smallest Number in Infinite Set | Medium | | |
| Smallest Range I | Easy | adobe | |
| Smallest Rotation with Highest Score | Hard | | |
| Smallest Subarrays With Maximum Bitwise OR | Medium | | |
| Smallest Subsequence of Distinct Characters | Medium | amazon
factset | |
| Snake in Matrix | Easy | | |
| Sort Array by Moving Items to Empty Space | Hard | | |
| Sort Even and Odd Indices Independently | Easy | | |
| Sort Features by Popularity | Medium | | |