| 1801. Number of Orders in the Backlog | Solution | Solve | Medium | | |
| 1802. Maximum Value at a Given Index in a Bounded Array | Solution | Solve | Medium | | |
| 1803. Count Pairs With XOR in a Range | Solution | Solve | Hard | | |
| 1804. Implement Trie II (Prefix Tree) | Solution | Solve | Medium | | |
| 1805. Number of Different Integers in a String | Solution | Solve | Easy | - | |
| 1806. Minimum Number of Operations to Reinitialize a Permutation | Solution | Solve | Medium | | |
| 1807. Evaluate the Bracket Pairs of a String | Solution | Solve | Medium | | |
| 1808. Maximize Number of Nice Divisors | Solution | Solve | Hard | | |
| 1809. Ad-Free Sessions | Solution | Solve | Easy | | |
| 1810. Minimum Path Cost in a Hidden Grid | Solution | Solve | Medium | | |
| 1811. Find Interview Candidates | Solution | Solve | Medium | | |
| 1812. Determine Color of a Chessboard Square | Solution | Solve | Easy | | |
| 1813. Sentence Similarity III | Solution | Solve | Medium | | |
| 1814. Count Nice Pairs in an Array | Solution | Solve | Medium | | |
| 1815. Maximum Number of Groups Getting Fresh Donuts | Solution | Solve | Hard | | |
| 1816. Truncate Sentence | Solution | Solve | Easy | | |
| 1817. Finding the Users Active Minutes | Solution | Solve | Medium | | |
| 1818. Minimum Absolute Sum Difference | Solution | Solve | Medium | | |
| 1819. Number of Different Subsequences GCDs | Solution | Solve | Hard | | |
| 1820. Maximum Number of Accepted Invitations | Solution | Solve | Medium | | |
| 1821. Find Customers With Positive Revenue this Year | Solution | Solve | Easy | | |
| 1822. Sign of the Product of an Array | Solution | Solve | Easy | | |
| 1823. Find the Winner of the Circular Game | Solution | Solve | Medium | | |
| 1824. Minimum Sideway Jumps | Solution | Solve | Medium | | |
| 1825. Finding MK Average | Solution | Solve | Hard | | |
| 1826. Faulty Sensor | Solution | Solve | Easy | | |
| 1827. Minimum Operations to Make the Array Increasing | Solution | Solve | Easy | | |
| 1828. Queries on Number of Points Inside a Circle | Solution | Solve | Medium | | |
| 1829. Maximum XOR for Each Query | Solution | Solve | Medium | | |
| 1830. Minimum Number of Operations to Make String Sorted | Solution | Solve | Hard | | |
| 1831. Maximum Transaction Each Day | Solution | Solve | Medium | - | |
| 1832. Check if the Sentence Is Pangram | Solution | Solve | Easy | | |
| 1833. Maximum Ice Cream Bars | Solution | Solve | Medium | | |
| 1834. Single-Threaded CPU | Solution | Solve | Medium | | |
| 1835. Find XOR Sum of All Pairs Bitwise AND | Solution | Solve | Hard | | |
| 1836. Remove Duplicates From an Unsorted Linked List | Solution | Solve | Medium | | |
| 1837. Sum of Digits in Base K | Solution | Solve | Easy | | |
| 1838. Frequency of the Most Frequent Element | Solution | Solve | Medium | | |
| 1839. Longest Substring Of All Vowels in Order | Solution | Solve | Medium | | |
| 1840. Maximum Building Height | Solution | Solve | Hard | | |
| 1841. League Statistics | Solution | Solve | Medium | - | |
| 1842. Next Palindrome Using Same Digits | Solution | Solve | Hard | | |
| 1843. Suspicious Bank Accounts | Solution | Solve | Medium | | |
| 1844. Replace All Digits with Characters | Solution | Solve | Easy | | |
| 1845. Seat Reservation Manager | Solution | Solve | Medium | | |
| 1846. Maximum Element After Decreasing and Rearranging | Solution | Solve | Medium | | |
| 1847. Closest Room | Solution | Solve | Hard | | |
| 1848. Minimum Distance to the Target Element | Solution | Solve | Easy | | |
| 1849. Splitting a String Into Descending Consecutive Values | Solution | Solve | Medium | - | |
| 1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number | Solution | Solve | Medium | | |
