1800–1899
Problems in this range: 100
- 1800. Maximum Ascending Subarray Sum
- 1801. Number of Orders in the Backlog
- 1802. Maximum Value at a Given Index in a Bounded Array
- 1803. Count Pairs With XOR in a Range
- 1804. Implement Trie II (Prefix Tree) 🔒
- 1805. Number of Different Integers in a String
- 1806. Minimum Number of Operations to Reinitialize a Permutation
- 1807. Evaluate the Bracket Pairs of a String
- 1808. Maximize Number of Nice Divisors
- 1809. Ad-Free Sessions 🔒
- 1810. Minimum Path Cost in a Hidden Grid 🔒
- 1811. Find Interview Candidates 🔒
- 1812. Determine Color of a Chessboard Square
- 1813. Sentence Similarity III
- 1814. Count Nice Pairs in an Array
- 1815. Maximum Number of Groups Getting Fresh Donuts
- 1816. Truncate Sentence
- 1817. Finding the Users Active Minutes
- 1818. Minimum Absolute Sum Difference
- 1819. Number of Different Subsequences GCDs
- 1820. Maximum Number of Accepted Invitations 🔒
- 1821. Find Customers With Positive Revenue this Year 🔒
- 1822. Sign of the Product of an Array
- 1823. Find the Winner of the Circular Game
- 1824. Minimum Sideway Jumps
- 1825. Finding MK Average
- 1826. Faulty Sensor 🔒
- 1827. Minimum Operations to Make the Array Increasing
- 1828. Queries on Number of Points Inside a Circle
- 1829. Maximum XOR for Each Query
- 1830. Minimum Number of Operations to Make String Sorted
- 1831. Maximum Transaction Each Day 🔒
- 1832. Check if the Sentence Is Pangram
- 1833. Maximum Ice Cream Bars
- 1834. Single-Threaded CPU
- 1835. Find XOR Sum of All Pairs Bitwise AND
- 1836. Remove Duplicates From an Unsorted Linked List 🔒
- 1837. Sum of Digits in Base K
- 1838. Frequency of the Most Frequent Element
- 1839. Longest Substring Of All Vowels in Order
- 1840. Maximum Building Height
- 1841. League Statistics 🔒
- 1842. Next Palindrome Using Same Digits 🔒
- 1843. Suspicious Bank Accounts 🔒
- 1844. Replace All Digits with Characters
- 1845. Seat Reservation Manager
- 1846. Maximum Element After Decreasing and Rearranging
- 1847. Closest Room
- 1848. Minimum Distance to the Target Element
- 1849. Splitting a String Into Descending Consecutive Values
- 1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number
- 1851. Minimum Interval to Include Each Query
- 1852. Distinct Numbers in Each Subarray 🔒
- 1853. Convert Date Format 🔒
- 1854. Maximum Population Year
- 1855. Maximum Distance Between a Pair of Values
- 1856. Maximum Subarray Min-Product
- 1857. Largest Color Value in a Directed Graph
- 1858. Longest Word With All Prefixes 🔒
- 1859. Sorting the Sentence
- 1860. Incremental Memory Leak
- 1861. Rotating the Box
- 1862. Sum of Floored Pairs
- 1863. Sum of All Subset XOR Totals
- 1864. Minimum Number of Swaps to Make the Binary String Alternating
- 1865. Finding Pairs With a Certain Sum
- 1866. Number of Ways to Rearrange Sticks With K Sticks Visible
- 1867. Orders With Maximum Quantity Above Average 🔒
- 1868. Product of Two Run-Length Encoded Arrays 🔒
- 1869. Longer Contiguous Segments of Ones than Zeros
- 1870. Minimum Speed to Arrive on Time
- 1871. Jump Game VII
- 1872. Stone Game VIII
- 1873. Calculate Special Bonus
- 1874. Minimize Product Sum of Two Arrays 🔒
- 1875. Group Employees of the Same Salary 🔒
- 1876. Substrings of Size Three with Distinct Characters
- 1877. Minimize Maximum Pair Sum in Array
- 1878. Get Biggest Three Rhombus Sums in a Grid
- 1879. Minimum XOR Sum of Two Arrays
- 1880. Check if Word Equals Summation of Two Words
- 1881. Maximum Value after Insertion
- 1882. Process Tasks Using Servers
- 1883. Minimum Skips to Arrive at Meeting On Time
- 1884. Egg Drop With 2 Eggs and N Floors
- 1885. Count Pairs in Two Arrays 🔒
- 1886. Determine Whether Matrix Can Be Obtained By Rotation
- 1887. Reduction Operations to Make the Array Elements Equal
- 1888. Minimum Number of Flips to Make the Binary String Alternating
- 1889. Minimum Space Wasted From Packaging
- 1890. The Latest Login in 2020
- 1891. Cutting Ribbons 🔒
- 1892. Page Recommendations II 🔒
- 1893. Check if All the Integers in a Range Are Covered
- 1894. Find the Student that Will Replace the Chalk
- 1895. Largest Magic Square
- 1896. Minimum Cost to Change the Final Value of Expression
- 1897. Redistribute Characters to Make All Strings Equal
- 1898. Maximum Number of Removable Characters
- 1899. Merge Triplets to Form Target Triplet