| Calculate Score After Performing Instructions | Medium | | |
| Minimum Deletions to Make String K-Special | Medium | | |
| Maximum Manhattan Distance After K Changes | Medium | | |
| Partition Array Such That Maximum Difference Is K | Medium | | |
| Divide Array Into Arrays With Max Difference | Medium | | |
| Max Difference You Can Get From Changing an Integer | Medium | | |
| Using a Robot to Print the Lexicographically Smallest String | Medium | | |
| Analyze Subscription Conversion | Medium | | |
| Apply Substitutions | Medium | | |
| Assign Elements to Groups with Constraints | Medium | | |
| Find the Lexicographically Largest String From the Box I | Medium | | |
| Angle Between Hands of a Clock | Medium | amazon
microsoft | |
| Amount of Time for Binary Tree to Be Infected | Medium | | |
| Ambiguous Coordinates | Medium | google | |
| Alphabet Board Path | Medium | google
zulily | |
| All Divisions With the Highest Score of a Binary Array | Medium | | |
| All Elements in Two Binary Search Trees | Medium | amazon
facebook
oracle | |
| Alert Using Same Key-Card Three or More Times in a One Hour Period | Medium | | |
| Advantage Shuffle | Medium | | |
| Adjacent Increasing Subarrays Detection II | Medium | | |
| Adding Two Negabinary Numbers | Medium | grab | |
| Add Minimum Number of Rungs | Medium | | |
| Distribute Candies Among Children II | Medium | | |
| 4 Keys Keyboard | Medium | google
microsoft | |
| 3Sum With Multiplicity | Medium | quora | |
| Maximize the Number of Target Nodes After Connecting Trees I | Medium | | |
| Print all unique substrings of a given string | Medium | | |
| 0-1 Knapsack Problem | Medium | | |
| 0-1 Knapsack with Gold Bars | Medium | | |
| Aggregate Sum Over Partitions With Parts at least K | Medium | | |
| Airplane Seat Assignment Probability | Medium | microstrategy | |
| All Paths from Source to Target | Medium | amazon
bloomberg | |
| All Permutations of a String with distinct characters | Medium | | |
| All Permutations of a String with duplicate characters | Medium | | |
| Array of Doubled Pairs | Medium | google
uber | |
| Array With Elements Not Equal to Average of Neighbors | Medium | | |
| Backend Design for Restaurant Reservation System | Medium | | |
| Bomb Enemy | Medium | amazon
google
uber | |
| Breaking an integer into the sum of pairwise distinct positive integers | Medium | | |
| Bulb Switcher | Medium | amazon
facebook
mathworks | |
| Can Make Palindrome from Substring | Medium | | |
| Car Pooling | Medium | | |
| Car Refuelling Algorithm | Medium | | |
| Celebration Party | Medium | | |
| Cellphone base covering | Medium | | |
| Check If a String Contains All Binary Codes of Size K | Medium | | |
| Check if a string contains an anagram of another string | Medium | | |
| Check if Duplicates Exist Within K Manhattan Distance in Matrix | Medium | | |
| Circus tower sorting | Medium | | |
| Climbing Stairs - At most m steps | Medium | | |