list-19

Question	Free?	Status	Difficulty	Topics	Similar Questions
1801. Number of Orders in the Backlog  🔗  📝	🆓		⭐️⭐️	Array  🔗 Heap (Priority Queue)  🔗 Simulation  🔗
1802. Maximum Value at a Given Index in a Bounded Array  🔗  📝	🆓		⭐️⭐️	Binary Search  🔗 Greedy  🔗
1803. Count Pairs With XOR in a Range  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Bit Manipulation  🔗 Trie  🔗
1804. Implement Trie II (Prefix Tree)  🔗  📝	💰		⭐️⭐️	Hash Table  🔗 String  🔗 Design  🔗 Trie  🔗	208. Implement Trie (Prefix Tree)  🔗  📝 2227. Encrypt and Decrypt Strings  🔗  📝
1805. Number of Different Integers in a String  🔗  📝	🆓		⭐️	Hash Table  🔗 String  🔗
1806. Minimum Number of Operations to Reinitialize a Permutation  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Simulation  🔗
1807. Evaluate the Bracket Pairs of a String  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗
1808. Maximize Number of Nice Divisors  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Recursion  🔗	343. Integer Break  🔗  📝
1809. Ad-Free Sessions  🔗  📝	💰		⭐️	Database  🔗
1810. Minimum Path Cost in a Hidden Grid  🔗  📝	💰		⭐️⭐️	Depth-First Search  🔗 Breadth-First Search  🔗 Graph  🔗 Heap (Priority Queue)  🔗 Interactive  🔗	489. Robot Room Cleaner  🔗  📝 1778. Shortest Path in a Hidden Grid  🔗  📝
1811. Find Interview Candidates  🔗  📝	💰		⭐️⭐️	Database  🔗
1812. Determine Color of a Chessboard Square  🔗  📝	🆓	✅	⭐️	Math  🔗 String  🔗
1813. Sentence Similarity III  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Two Pointers  🔗 String  🔗
1814. Count Nice Pairs in an Array  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Hash Table  🔗 Math  🔗 Counting  🔗	2001. Number of Pairs of Interchangeable Rectangles  🔗  📝 2364. Count Number of Bad Pairs  🔗  📝
1815. Maximum Number of Groups Getting Fresh Donuts  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Bit Manipulation  🔗 Memoization  🔗 Bitmask  🔗
1816. Truncate Sentence  🔗  📝	🆓	✅	⭐️	Array  🔗 String  🔗
1817. Finding the Users Active Minutes  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗
1818. Minimum Absolute Sum Difference  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗 Sorting  🔗 Ordered Set  🔗	2333. Minimum Sum of Squared Difference  🔗  📝
1819. Number of Different Subsequences GCDs  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Counting  🔗 Number Theory  🔗	1979. Find Greatest Common Divisor of Array  🔗  📝
1820. Maximum Number of Accepted Invitations  🔗  📝	💰		⭐️⭐️	Array  🔗 Backtracking  🔗 Matrix  🔗
1821. Find Customers With Positive Revenue this Year  🔗  📝	💰		⭐️	Database  🔗
1822. Sign of the Product of an Array  🔗  📝	🆓	✅	⭐️	Array  🔗 Math  🔗
1823. Find the Winner of the Circular Game  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Recursion  🔗 Queue  🔗 Simulation  🔗
1824. Minimum Sideway Jumps  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Greedy  🔗	403. Frog Jump  🔗  📝
1825. Finding MK Average  🔗  📝	🆓		⭐️⭐️⭐️	Design  🔗 Queue  🔗 Heap (Priority Queue)  🔗 Ordered Set  🔗	295. Find Median from Data Stream  🔗  📝 703. Kth Largest Element in a Stream  🔗  📝 2102. Sequentially Ordinal Rank Tracker  🔗  📝
1826. Faulty Sensor  🔗  📝	💰		⭐️	Array  🔗 Two Pointers  🔗
1827. Minimum Operations to Make the Array Increasing  🔗  📝	🆓	✅	⭐️	Array  🔗 Greedy  🔗	2233. Maximum Product After K Increments  🔗  📝 2263. Make Array Non-decreasing or Non-increasing  🔗  📝 2366. Minimum Replacements to Sort the Array  🔗  📝
1828. Queries on Number of Points Inside a Circle  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Geometry  🔗	2249. Count Lattice Points Inside a Circle  🔗  📝 2250. Count Number of Rectangles Containing Each Point  🔗  📝
1829. Maximum XOR for Each Query  🔗  📝	🆓		⭐️⭐️	Array  🔗 Bit Manipulation  🔗 Prefix Sum  🔗
1830. Minimum Number of Operations to Make String Sorted  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 String  🔗 Combinatorics  🔗
1831. Maximum Transaction Each Day  🔗  📝	💰		⭐️⭐️	Database  🔗
1832. Check if the Sentence Is Pangram  🔗  📝	🆓	✅	⭐️	Hash Table  🔗 String  🔗
1833. Maximum Ice Cream Bars  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Greedy  🔗 Sorting  🔗
1834. Single-Threaded CPU  🔗  📝	🆓		⭐️⭐️	Array  🔗 Sorting  🔗 Heap (Priority Queue)  🔗	2050. Parallel Courses III  🔗  📝
1835. Find XOR Sum of All Pairs Bitwise AND  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Bit Manipulation  🔗
1836. Remove Duplicates From an Unsorted Linked List  🔗  📝	💰		⭐️⭐️	Hash Table  🔗 Linked List  🔗	82. Remove Duplicates from Sorted List II  🔗  📝 83. Remove Duplicates from Sorted List  🔗  📝
1837. Sum of Digits in Base K  🔗  📝	🆓	✅	⭐️	Math  🔗
1838. Frequency of the Most Frequent Element  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗 Greedy  🔗 Sliding Window  🔗 Sorting  🔗 Prefix Sum  🔗	2150. Find All Lonely Numbers in the Array  🔗  📝
1839. Longest Substring Of All Vowels in Order  🔗  📝	🆓		⭐️⭐️	String  🔗 Sliding Window  🔗	2062. Count Vowel Substrings of a String  🔗  📝
1840. Maximum Building Height  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗
1841. League Statistics  🔗  📝	💰		⭐️⭐️	Database  🔗
1842. Next Palindrome Using Same Digits  🔗  📝	💰		⭐️⭐️⭐️	Two Pointers  🔗 String  🔗	556. Next Greater Element III  🔗  📝 564. Find the Closest Palindrome  🔗  📝
1843. Suspicious Bank Accounts  🔗  📝	💰		⭐️⭐️	Database  🔗
1844. Replace All Digits with Characters  🔗  📝	🆓	✅	⭐️	String  🔗	848. Shifting Letters  🔗  📝
1845. Seat Reservation Manager  🔗  📝	🆓	👀	⭐️⭐️	Design  🔗 Heap (Priority Queue)  🔗	379. Design Phone Directory  🔗  📝 2349. Design a Number Container System  🔗  📝
1846. Maximum Element After Decreasing and Rearranging  🔗  📝	🆓		⭐️⭐️	Array  🔗 Greedy  🔗 Sorting  🔗
1847. Closest Room  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Binary Search  🔗 Sorting  🔗	2070. Most Beautiful Item for Each Query  🔗  📝
1848. Minimum Distance to the Target Element  🔗  📝	🆓	✅	⭐️	Array  🔗
1849. Splitting a String Into Descending Consecutive Values  🔗  📝	🆓		⭐️⭐️	String  🔗 Backtracking  🔗
1850. Minimum Adjacent Swaps to Reach the Kth Smallest Number  🔗  📝	🆓		⭐️⭐️	Two Pointers  🔗 String  🔗 Greedy  🔗	31. Next Permutation  🔗  📝
1851. Minimum Interval to Include Each Query  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Binary Search  🔗 Line Sweep  🔗 Sorting  🔗 Heap (Priority Queue)  🔗	2251. Number of Flowers in Full Bloom  🔗  📝
1852. Distinct Numbers in Each Subarray  🔗  📝	💰		⭐️⭐️	Array  🔗 Hash Table  🔗 Sliding Window  🔗
1853. Convert Date Format  🔗  📝	💰		⭐️	Database  🔗
1854. Maximum Population Year  🔗  📝	🆓		⭐️	Array  🔗 Counting  🔗
1855. Maximum Distance Between a Pair of Values  🔗  📝	🆓	👀	⭐️⭐️	Array  🔗 Two Pointers  🔗 Binary Search  🔗 Greedy  🔗	2078. Two Furthest Houses With Different Colors  🔗  📝
1856. Maximum Subarray Min-Product  🔗  📝	🆓		⭐️⭐️	Array  🔗 Stack  🔗 Monotonic Stack  🔗 Prefix Sum  🔗	2334. Subarray With Elements Greater Than Varying Threshold  🔗  📝
1857. Largest Color Value in a Directed Graph  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 Dynamic Programming  🔗 Graph  🔗 Topological Sort  🔗 Memoization  🔗 Counting  🔗
1858. Longest Word With All Prefixes  🔗  📝	💰		⭐️⭐️	Depth-First Search  🔗 Trie  🔗	720. Longest Word in Dictionary  🔗  📝
1859. Sorting the Sentence  🔗  📝	🆓	✅	⭐️	String  🔗 Sorting  🔗	2042. Check if Numbers Are Ascending in a Sentence  🔗  📝
1860. Incremental Memory Leak  🔗  📝	🆓		⭐️⭐️	Simulation  🔗
1861. Rotating the Box  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗 Matrix  🔗
1862. Sum of Floored Pairs  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Binary Search  🔗 Prefix Sum  🔗
1863. Sum of All Subset XOR Totals  🔗  📝	🆓		⭐️	Array  🔗 Math  🔗 Backtracking  🔗 Bit Manipulation  🔗 Combinatorics  🔗
1864. Minimum Number of Swaps to Make the Binary String Alternating  🔗  📝	🆓		⭐️⭐️	String  🔗 Greedy  🔗
1865. Finding Pairs With a Certain Sum  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Design  🔗	2006. Count Number of Pairs With Absolute Difference K  🔗  📝
1866. Number of Ways to Rearrange Sticks With K Sticks Visible  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Dynamic Programming  🔗 Combinatorics  🔗
1867. Orders With Maximum Quantity Above Average  🔗  📝	💰		⭐️⭐️	Database  🔗
1868. Product of Two Run-Length Encoded Arrays  🔗  📝	💰		⭐️⭐️	Array  🔗 Two Pointers  🔗
1869. Longer Contiguous Segments of Ones than Zeros  🔗  📝	🆓	✅	⭐️	String  🔗	485. Max Consecutive Ones  🔗  📝 1784. Check if Binary String Has at Most One Segment of Ones  🔗  📝 2031. Count Subarrays With More Ones Than Zeros  🔗  📝
1870. Minimum Speed to Arrive on Time  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗	1883. Minimum Skips to Arrive at Meeting On Time  🔗  📝 2187. Minimum Time to Complete Trips  🔗  📝 2226. Maximum Candies Allocated to K Children  🔗  📝 2332. The Latest Time to Catch a Bus  🔗  📝
1871. Jump Game VII  🔗  📝	🆓		⭐️⭐️	Two Pointers  🔗 String  🔗 Prefix Sum  🔗	45. Jump Game II  🔗  📝 55. Jump Game  🔗  📝 1306. Jump Game III  🔗  📝 1340. Jump Game V  🔗  📝 1345. Jump Game IV  🔗  📝 1696. Jump Game VI  🔗  📝 1871. Jump Game VII  🔗  📝 2297. Jump Game VIII  🔗  📝
1872. Stone Game VIII  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Dynamic Programming  🔗 Prefix Sum  🔗 Game Theory  🔗	877. Stone Game  🔗  📝 1140. Stone Game II  🔗  📝 1406. Stone Game III  🔗  📝 1510. Stone Game IV  🔗  📝 1563. Stone Game V  🔗  📝 1686. Stone Game VI  🔗  📝 1690. Stone Game VII  🔗  📝 1872. Stone Game VIII  🔗  📝 2029. Stone Game IX  🔗  📝
1873. Calculate Special Bonus  🔗  📝	🆓		⭐️	Database  🔗
1874. Minimize Product Sum of Two Arrays  🔗  📝	💰		⭐️⭐️	Array  🔗 Greedy  🔗 Sorting  🔗	2143. Choose Numbers From Two Arrays in Range  🔗  📝
1875. Group Employees of the Same Salary  🔗  📝	💰		⭐️⭐️	Database  🔗
1876. Substrings of Size Three with Distinct Characters  🔗  📝	🆓	✅	⭐️	Hash Table  🔗 String  🔗 Sliding Window  🔗 Counting  🔗
1877. Minimize Maximum Pair Sum in Array  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗 Greedy  🔗 Sorting  🔗
1878. Get Biggest Three Rhombus Sums in a Grid  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Sorting  🔗 Heap (Priority Queue)  🔗 Matrix  🔗 Prefix Sum  🔗	2088. Count Fertile Pyramids in a Land  🔗  📝
1879. Minimum XOR Sum of Two Arrays  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Bit Manipulation  🔗 Bitmask  🔗	2143. Choose Numbers From Two Arrays in Range  🔗  📝 2172. Maximum AND Sum of Array  🔗  📝 2305. Fair Distribution of Cookies  🔗  📝
1880. Check if Word Equals Summation of Two Words  🔗  📝	🆓	✅	⭐️	String  🔗
1881. Maximum Value after Insertion  🔗  📝	🆓		⭐️⭐️	String  🔗 Greedy  🔗
1882. Process Tasks Using Servers  🔗  📝	🆓		⭐️⭐️	Array  🔗 Heap (Priority Queue)  🔗	2050. Parallel Courses III  🔗  📝
1883. Minimum Skips to Arrive at Meeting On Time  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗	1870. Minimum Speed to Arrive on Time  🔗  📝 2188. Minimum Time to Finish the Race  🔗  📝
1884. Egg Drop With 2 Eggs and N Floors  🔗  📝	🆓		⭐️⭐️	Math  🔗 Dynamic Programming  🔗	887. Super Egg Drop  🔗  📝
1885. Count Pairs in Two Arrays  🔗  📝	💰		⭐️⭐️	Array  🔗 Binary Search  🔗 Sorting  🔗	1499. Max Value of Equation  🔗  📝 2083. Substrings That Begin and End With the Same Letter  🔗  📝
1886. Determine Whether Matrix Can Be Obtained By Rotation  🔗  📝	🆓		⭐️	Array  🔗 Matrix  🔗	48. Rotate Image  🔗  📝
1887. Reduction Operations to Make the Array Elements Equal  🔗  📝	🆓		⭐️⭐️	Array  🔗 Sorting  🔗
1888. Minimum Number of Flips to Make the Binary String Alternating  🔗  📝	🆓		⭐️⭐️	String  🔗 Dynamic Programming  🔗 Greedy  🔗 Sliding Window  🔗	2170. Minimum Operations to Make the Array Alternating  🔗  📝
1889. Minimum Space Wasted From Packaging  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Binary Search  🔗 Sorting  🔗 Prefix Sum  🔗
1890. The Latest Login in 2020  🔗  📝	🆓		⭐️	Database  🔗
1891. Cutting Ribbons  🔗  📝	💰		⭐️⭐️	Array  🔗 Binary Search  🔗	1011. Capacity To Ship Packages Within D Days  🔗  📝 1936. Add Minimum Number of Rungs  🔗  📝
1892. Page Recommendations II  🔗  📝	💰		⭐️⭐️⭐️	Database  🔗	1264. Page Recommendations  🔗  📝 1949. Strong Friendship  🔗  📝
1893. Check if All the Integers in a Range Are Covered  🔗  📝	🆓	👀	⭐️	Array  🔗 Hash Table  🔗 Prefix Sum  🔗
1894. Find the Student that Will Replace the Chalk  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗 Simulation  🔗 Prefix Sum  🔗
1895. Largest Magic Square  🔗  📝	🆓		⭐️⭐️	Array  🔗 Matrix  🔗 Prefix Sum  🔗	840. Magic Squares In Grid  🔗  📝
1896. Minimum Cost to Change the Final Value of Expression  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 String  🔗 Dynamic Programming  🔗 Stack  🔗
1897. Redistribute Characters to Make All Strings Equal  🔗  📝	🆓	✅	⭐️	Hash Table  🔗 String  🔗 Counting  🔗
1898. Maximum Number of Removable Characters  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗 Binary Search  🔗	2226. Maximum Candies Allocated to K Children  🔗  📝
1899. Merge Triplets to Form Target Triplet  🔗  📝	🆓		⭐️⭐️	Array  🔗 Greedy  🔗
1900. The Earliest and Latest Rounds Where Players Compete  🔗  📝	🆓		⭐️⭐️⭐️	Dynamic Programming  🔗 Memoization  🔗