| 1453. Maximum Number of Darts Inside of a Circular Dartboard | | | Solve | Hard | | |
| 1467. Probability of a Two Boxes Having The Same Number of Distinct Balls | | | Solve | Hard | - | |
| 1478. Allocate Mailboxes | | | Solve | Hard | | |
| 1510. Stone Game IV | | | Solve | Hard | | |
| 1515. Best Position for a Service Centre | | | Solve | Hard | | |
| 1563. Stone Game V | | | Solve | Hard | | |
| 1569. Number of Ways to Reorder Array to Get Same BST | | | Solve | Hard | | |
| 1610. Maximum Number of Visible Points | | | Solve | Hard | | |
| 1622. Fancy Sequence | | | Solve | Hard | | |
| 1627. Graph Connectivity With Threshold | | | Solve | Hard | | |
| 1643. Kth Smallest Instructions | | | Solve | Hard | | |
| 1728. Cat and Mouse II | | | Solve | Hard | | |
| 1735. Count Ways to Make Array With Product | | | Solve | Hard | | |
| 1739. Building Boxes | | | Solve | Hard | | |
| 1766. Tree of Coprimes | | | Solve | Hard | | |
| 1776. Car Fleet II | | | Solve | Hard | | |
| 1799. Maximize Score After N Operations | | | Solve | Hard | | |
| 1808. Maximize Number of Nice Divisors | | | Solve | Hard | | |
| 1819. Number of Different Subsequences GCDs | | | Solve | Hard | | |
| 1830. Minimum Number of Operations to Make String Sorted | | | Solve | Hard | | |
| 1835. Find XOR Sum of All Pairs Bitwise AND | | | Solve | Hard | | |
| 1840. Maximum Building Height | | | Solve | Hard | | |
| 1862. Sum of Floored Pairs | | | Solve | Hard | | |
| 1866. Number of Ways to Rearrange Sticks With K Sticks Visible | | | Solve | Hard | | |
| 1872. Stone Game VIII | | | Solve | Hard | | |
| 1896. Minimum Cost to Change the Final Value of Expression | | | Solve | Hard | | |
| 1916. Count Ways to Build Rooms in an Ant Colony | | | Solve | Hard | | |
| 1924. Erect the Fence II | | | Solve | Hard | | |
| 1956. Minimum Time For K Virus Variants to Spread | | | Solve | Hard | - | |
| 1994. The Number of Good Subsets | | | Solve | Hard | | |
| 1998. GCD Sort of an Array | | | Solve | Hard | | |
| 2005. Subtree Removal Game with Fibonacci Tree | | | Solve | Hard | | |
| 2019. The Score of Students Solving Math Expression | | | Solve | Hard | | |
| 2081. Sum of k-Mirror Numbers | | | Solve | Hard | | |
| 2117. Abbreviating the Product of a Range | | | Solve | Hard | | |
| 2147. Number of Ways to Divide a Long Corridor | | | Solve | Hard | | |
| 2183. Count Array Pairs Divisible by K | | | Solve | Hard | | |
| 2197. Replace Non-Coprime Numbers in Array | | | Solve | Hard | | |
| 2338. Count the Number of Ideal Arrays | | | Solve | Hard | | |
| 2344. Minimum Deletions to Make Array Divisible | | | Solve | Hard | | |
| 2366. Minimum Replacements to Sort the Array | | | Solve | Hard | | |
| 2376. Count Special Integers | | | Solve | Hard | | |
| 2440. Create Components With Same Value | | | Solve | Hard | | |
| 2514. Count Anagrams | | | Solve | Hard | | |
| 2524. Maximum Frequency Score of a Subarray | | | Solve | Hard | | |
| 2543. Check if Point Is Reachable | | | Solve | Hard | | |
| 2584. Split the Array to Make Coprime Products | | | Solve | Hard | | |
| 2613. Beautiful Pairs | | | Solve | Hard | - | |
| 2647. Color the Triangle Red | | | Solve | Hard | - | |
| 2681. Power of Heroes | | | Solve | Hard | - | |