| Count Complete Substrings |
Hard
|
|
|
| Count Houses in a Circular Street II |
Hard
|
|
|
| Count of Integers |
Hard
|
|
|
| Count Pairs With XOR in a Range |
Hard
|
|
|
| Count Palindromic Subsequences |
Hard
|
|
|
| Count Special Integers |
Hard
|
|
|
| Count Substrings That Can Be Rearranged to Contain a String II |
Hard
|
|
|
| Count Substrings That Satisfy K-Constraint II |
Hard
|
|
|
| Count the Number of Good Partitions |
Hard
|
|
|
| Count the Number of Incremovable Subarrays II |
Hard
|
|
|
| Count the Number of Infection Sequences |
Hard
|
|
|
| Count the Number of Inversions |
Hard
|
|
|
| Count the Number of K-Big Indices |
Hard
|
|
|
| Count the Number of Powerful Integers |
Hard
|
|
|
| Count Valid Paths in a Tree |
Hard
|
|
|
| Count Ways to Build Rooms in an Ant Colony |
Hard
|
|
|
| Count Ways to Distribute Candies |
Hard
|
|
|
| Count Ways to Make Array With Product |
Hard
|
|
|
| Create Components With Same Value |
Hard
|
|
|
| Cut Off Trees for Golf Event |
Hard
|
amazon
|
|
| Cycle Length Queries in a Tree |
Hard
|
|
|
| Design Cancellable Function |
Hard
|
|
|
| Design Excel Sum Formula |
Hard
|
amazon
microsoft
|
|
| Difference Between Maximum and Minimum Price Sum |
Hard
|
|
|
| Dinner Plate Stacks |
Hard
|
amazon
bytedance
|
|
| Distance to a Cycle in Undirected Graph |
Hard
|
|
|
| Distinct Echo Substrings |
Hard
|
google
|
|
| Divide an Array Into Subarrays With Minimum Cost II |
Hard
|
|
|
| Divide Array Into Increasing Sequences |
Hard
|
google
|
|
| Dynamic Pivoting of a Table |
Hard
|
|
|
| Erect the Fence II |
Hard
|
|
|
| Escape the Spreading Fire |
Hard
|
|
|
| Find Array Given Subset Sums |
Hard
|
|
|
| Find Building Where Alice and Bob Can Meet |
Hard
|
|
|
| Find Edges in Shortest Paths |
Hard
|
|
|
| Find Maximum Non-decreasing Array Length |
Hard
|
|
|
| Find Median Given Frequency of Numbers |
Hard
|
pinterest
|
|
| Find Number of Coins to Place in Tree Nodes |
Hard
|
|
|
| Find Shortest Path with K Hops |
Hard
|
|
|
| Find the Count of Monotonic Pairs I |
Hard
|
|
|
| Find the Count of Monotonic Pairs II |
Hard
|
|
|
| Find the Kth Smallest Sum of a Matrix With Sorted Rows |
Hard
|
facebook
|
|
| Find the Last Marked Nodes in Tree |
Hard
|
|
|
| Find the Longest Valid Obstacle Course at Each Position |
Hard
|
|
|
| Find the Minimum Area to Cover All Ones II |
Hard
|
|
|
| Find the Minimum Cost Array Permutation |
Hard
|
|
|
| Find the Number of Ways to Place People II |
Hard
|
|
|
| Find the Original Typed String II |
Hard
|
|
|
| Find the Quiet Students in All Exams |
Hard
|
|
|
| Find the String with LCP |
Hard
|
|
|