list-10

Question	Free?	Status	Difficulty	Topics	Similar Questions
901. Online Stock Span  🔗  📝	🆓		⭐️⭐️	Stack  🔗 Design  🔗 Monotonic Stack  🔗 Data Stream  🔗	739. Daily Temperatures  🔗  📝
902. Numbers At Most N Given Digit Set  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Binary Search  🔗 Dynamic Programming  🔗
903. Valid Permutations for DI Sequence  🔗  📝	🆓		⭐️⭐️⭐️	Dynamic Programming  🔗
904. Fruit Into Baskets  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Sliding Window  🔗
905. Sort Array By Parity  🔗  📝	🆓	✅	⭐️	Array  🔗 Two Pointers  🔗 Sorting  🔗	2164. Sort Even and Odd Indices Independently  🔗  📝 2231. Largest Number After Digit Swaps by Parity  🔗  📝
906. Super Palindromes  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Enumeration  🔗
907. Sum of Subarray Minimums  🔗  📝	🆓	👀	⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Stack  🔗 Monotonic Stack  🔗	2104. Sum of Subarray Ranges  🔗  📝 2281. Sum of Total Strength of Wizards  🔗  📝
908. Smallest Range I  🔗  📝	🆓		⭐️	Array  🔗 Math  🔗
909. Snakes and Ladders  🔗  📝	🆓		⭐️⭐️	Array  🔗 Breadth-First Search  🔗 Matrix  🔗
910. Smallest Range II  🔗  📝	🆓	👀	⭐️⭐️	Array  🔗 Math  🔗 Greedy  🔗 Sorting  🔗
911. Online Election  🔗  📝	🆓	👀	⭐️⭐️	Array  🔗 Hash Table  🔗 Binary Search  🔗 Design  🔗	1366. Rank Teams by Votes  🔗  📝
912. Sort an Array  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Divide and Conquer  🔗 Sorting  🔗 Heap (Priority Queue)  🔗 Merge Sort  🔗 Bucket Sort  🔗 Radix Sort  🔗 Counting Sort  🔗
913. Cat and Mouse  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Dynamic Programming  🔗 Graph  🔗 Topological Sort  🔗 Memoization  🔗 Game Theory  🔗	1728. Cat and Mouse II  🔗  📝
914. X of a Kind in a Deck of Cards  🔗  📝	🆓		⭐️	Array  🔗 Hash Table  🔗 Math  🔗 Counting  🔗 Number Theory  🔗
915. Partition Array into Disjoint Intervals  🔗  📝	🆓	👀	⭐️⭐️	Array  🔗	2012. Sum of Beauty in the Array  🔗  📝
916. Word Subsets  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗
917. Reverse Only Letters  🔗  📝	🆓		⭐️	Two Pointers  🔗 String  🔗
918. Maximum Sum Circular Subarray  🔗  📝	🆓		⭐️⭐️	Array  🔗 Divide and Conquer  🔗 Dynamic Programming  🔗 Queue  🔗 Monotonic Queue  🔗
919. Complete Binary Tree Inserter  🔗  📝	🆓		⭐️⭐️	Tree  🔗 Breadth-First Search  🔗 Design  🔗 Binary Tree  🔗
920. Number of Music Playlists  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Dynamic Programming  🔗 Combinatorics  🔗
921. Minimum Add to Make Parentheses Valid  🔗  📝	🆓	✅	⭐️⭐️	String  🔗 Stack  🔗 Greedy  🔗	1963. Minimum Number of Swaps to Make the String Balanced  🔗  📝
922. Sort Array By Parity II  🔗  📝	🆓	✅	⭐️	Array  🔗 Two Pointers  🔗 Sorting  🔗	2149. Rearrange Array Elements by Sign  🔗  📝 2164. Sort Even and Odd Indices Independently  🔗  📝 2231. Largest Number After Digit Swaps by Parity  🔗  📝
923. 3Sum With Multiplicity  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Two Pointers  🔗 Sorting  🔗 Counting  🔗
924. Minimize Malware Spread  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Matrix  🔗
925. Long Pressed Name  🔗  📝	🆓		⭐️	Two Pointers  🔗 String  🔗
926. Flip String to Monotone Increasing  🔗  📝	🆓		⭐️⭐️	String  🔗 Dynamic Programming  🔗
927. Three Equal Parts  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗
928. Minimize Malware Spread II  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Matrix  🔗
929. Unique Email Addresses  🔗  📝	🆓	✅	⭐️	Array  🔗 Hash Table  🔗 String  🔗
930. Binary Subarrays With Sum  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Sliding Window  🔗 Prefix Sum  🔗	2302. Count Subarrays With Score Less Than K  🔗  📝
931. Minimum Falling Path Sum  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Matrix  🔗	1289. Minimum Falling Path Sum II  🔗  📝
932. Beautiful Array  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Divide and Conquer  🔗
933. Number of Recent Calls  🔗  📝	🆓		⭐️	Design  🔗 Queue  🔗 Data Stream  🔗
934. Shortest Bridge  🔗  📝	🆓		⭐️⭐️	Array  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Matrix  🔗
935. Knight Dialer  🔗  📝	🆓		⭐️⭐️	Dynamic Programming  🔗
936. Stamping The Sequence  🔗  📝	🆓		⭐️⭐️⭐️	String  🔗 Stack  🔗 Greedy  🔗 Queue  🔗
937. Reorder Data in Log Files  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗 Sorting  🔗
938. Range Sum of BST  🔗  📝	🆓	✅	⭐️	Tree  🔗 Depth-First Search  🔗 Binary Search Tree  🔗 Binary Tree  🔗
939. Minimum Area Rectangle  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Math  🔗 Geometry  🔗 Sorting  🔗
940. Distinct Subsequences II  🔗  📝	🆓		⭐️⭐️⭐️	String  🔗 Dynamic Programming  🔗	1987. Number of Unique Good Subsequences  🔗  📝
941. Valid Mountain Array  🔗  📝	🆓	✅	⭐️	Array  🔗	1671. Minimum Number of Removals to Make Mountain Array  🔗  📝
942. DI String Match  🔗  📝	🆓		⭐️	Array  🔗 Math  🔗 Two Pointers  🔗 String  🔗 Greedy  🔗
943. Find the Shortest Superstring  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 String  🔗 Dynamic Programming  🔗 Bit Manipulation  🔗 Bitmask  🔗
944. Delete Columns to Make Sorted  🔗  📝	🆓		⭐️	Array  🔗 String  🔗
945. Minimum Increment to Make Array Unique  🔗  📝	🆓		⭐️⭐️	Array  🔗 Greedy  🔗 Sorting  🔗 Counting  🔗	2233. Maximum Product After K Increments  🔗  📝
946. Validate Stack Sequences  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Stack  🔗 Simulation  🔗
947. Most Stones Removed with Same Row or Column  🔗  📝	🆓		⭐️⭐️	Depth-First Search  🔗 Union Find  🔗 Graph  🔗
948. Bag of Tokens  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗 Greedy  🔗 Sorting  🔗
949. Largest Time for Given Digits  🔗  📝	🆓		⭐️⭐️	String  🔗 Enumeration  🔗
950. Reveal Cards In Increasing Order  🔗  📝	🆓		⭐️⭐️	Array  🔗 Queue  🔗 Sorting  🔗 Simulation  🔗
951. Flip Equivalent Binary Trees  🔗  📝	🆓		⭐️⭐️	Tree  🔗 Depth-First Search  🔗 Binary Tree  🔗
952. Largest Component Size by Common Factor  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Union Find  🔗	2157. Groups of Strings  🔗  📝
953. Verifying an Alien Dictionary  🔗  📝	🆓	✅	⭐️	Array  🔗 Hash Table  🔗 String  🔗
954. Array of Doubled Pairs  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Hash Table  🔗 Greedy  🔗 Sorting  🔗	2007. Find Original Array From Doubled Array  🔗  📝
955. Delete Columns to Make Sorted II  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗 Greedy  🔗
956. Tallest Billboard  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗	2035. Partition Array Into Two Arrays to Minimize Sum Difference  🔗  📝
957. Prison Cells After N Days  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Math  🔗 Bit Manipulation  🔗
958. Check Completeness of a Binary Tree  🔗  📝	🆓		⭐️⭐️	Tree  🔗 Breadth-First Search  🔗 Binary Tree  🔗
959. Regions Cut By Slashes  🔗  📝	🆓		⭐️⭐️	Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Graph  🔗
960. Delete Columns to Make Sorted III  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 String  🔗 Dynamic Programming  🔗
961. N-Repeated Element in Size 2N Array  🔗  📝	🆓	✅	⭐️	Array  🔗 Hash Table  🔗
962. Maximum Width Ramp  🔗  📝	🆓		⭐️⭐️	Array  🔗 Stack  🔗 Monotonic Stack  🔗
963. Minimum Area Rectangle II  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Geometry  🔗
964. Least Operators to Express Number  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Dynamic Programming  🔗
965. Univalued Binary Tree  🔗  📝	🆓	✅	⭐️	Tree  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Binary Tree  🔗	1469. Find All The Lonely Nodes  🔗  📝
966. Vowel Spellchecker  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗
967. Numbers With Same Consecutive Differences  🔗  📝	🆓	✅	⭐️⭐️	Backtracking  🔗 Breadth-First Search  🔗
968. Binary Tree Cameras  🔗  📝	🆓		⭐️⭐️⭐️	Dynamic Programming  🔗 Tree  🔗 Depth-First Search  🔗 Binary Tree  🔗	979. Distribute Coins in Binary Tree  🔗  📝
969. Pancake Sorting  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗 Greedy  🔗 Sorting  🔗
970. Powerful Integers  🔗  📝	🆓		⭐️⭐️	Hash Table  🔗 Math  🔗
971. Flip Binary Tree To Match Preorder Traversal  🔗  📝	🆓		⭐️⭐️	Tree  🔗 Depth-First Search  🔗 Binary Tree  🔗
972. Equal Rational Numbers  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 String  🔗
973. K Closest Points to Origin  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗 Divide and Conquer  🔗 Geometry  🔗 Sorting  🔗 Heap (Priority Queue)  🔗 Quickselect  🔗	215. Kth Largest Element in an Array  🔗  📝 347. Top K Frequent Elements  🔗  📝 692. Top K Frequent Words  🔗  📝 1779. Find Nearest Point That Has the Same X or Y Coordinate  🔗  📝
974. Subarray Sums Divisible by K  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Prefix Sum  🔗	560. Subarray Sum Equals K  🔗  📝 1590. Make Sum Divisible by P  🔗  📝 2364. Count Number of Bad Pairs  🔗  📝
975. Odd Even Jump  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Stack  🔗 Monotonic Stack  🔗 Ordered Set  🔗
976. Largest Perimeter Triangle  🔗  📝	🆓	✅	⭐️	Array  🔗 Math  🔗 Greedy  🔗 Sorting  🔗	812. Largest Triangle Area  🔗  📝
977. Squares of a Sorted Array  🔗  📝	🆓	✅	⭐️	Array  🔗 Two Pointers  🔗 Sorting  🔗	88. Merge Sorted Array  🔗  📝 360. Sort Transformed Array  🔗  📝
978. Longest Turbulent Subarray  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Sliding Window  🔗	53. Maximum Subarray  🔗  📝
979. Distribute Coins in Binary Tree  🔗  📝	🆓	👀	⭐️⭐️	Tree  🔗 Depth-First Search  🔗 Binary Tree  🔗	834. Sum of Distances in Tree  🔗  📝 968. Binary Tree Cameras  🔗  📝
980. Unique Paths III  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Backtracking  🔗 Bit Manipulation  🔗 Matrix  🔗	37. Sudoku Solver  🔗  📝 63. Unique Paths II  🔗  📝 212. Word Search II  🔗  📝
981. Time Based Key-Value Store  🔗  📝	🆓		⭐️⭐️	Hash Table  🔗 String  🔗 Binary Search  🔗 Design  🔗	2034. Stock Price Fluctuation   🔗  📝
982. Triples with Bitwise AND Equal To Zero  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Hash Table  🔗 Bit Manipulation  🔗
983. Minimum Cost For Tickets  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗	322. Coin Change  🔗  📝
984. String Without AAA or BBB  🔗  📝	🆓		⭐️⭐️	String  🔗 Greedy  🔗
985. Sum of Even Numbers After Queries  🔗  📝	🆓		⭐️⭐️	Array  🔗 Simulation  🔗
986. Interval List Intersections  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗	56. Merge Intervals  🔗  📝 88. Merge Sorted Array  🔗  📝 759. Employee Free Time  🔗  📝
987. Vertical Order Traversal of a Binary Tree  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 Tree  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Binary Tree  🔗
988. Smallest String Starting From Leaf  🔗  📝	🆓		⭐️⭐️	String  🔗 Tree  🔗 Depth-First Search  🔗 Binary Tree  🔗	129. Sum Root to Leaf Numbers  🔗  📝 257. Binary Tree Paths  🔗  📝
989. Add to Array-Form of Integer  🔗  📝	🆓	✅	⭐️	Array  🔗 Math  🔗	2. Add Two Numbers  🔗  📝 66. Plus One  🔗  📝 67. Add Binary  🔗  📝 415. Add Strings  🔗  📝
990. Satisfiability of Equality Equations  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗 Union Find  🔗 Graph  🔗
991. Broken Calculator  🔗  📝	🆓	✅	⭐️⭐️	Math  🔗 Greedy  🔗	650. 2 Keys Keyboard  🔗  📝
992. Subarrays with K Different Integers  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Hash Table  🔗 Sliding Window  🔗 Counting  🔗	3. Longest Substring Without Repeating Characters  🔗  📝 159. Longest Substring with At Most Two Distinct Characters  🔗  📝 340. Longest Substring with At Most K Distinct Characters  🔗  📝 2062. Count Vowel Substrings of a String  🔗  📝 2107. Number of Unique Flavors After Sharing K Candies  🔗  📝 2261. K Divisible Elements Subarrays  🔗  📝
993. Cousins in Binary Tree  🔗  📝	🆓	✅	⭐️	Tree  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Binary Tree  🔗	102. Binary Tree Level Order Traversal  🔗  📝
994. Rotting Oranges  🔗  📝	🆓		⭐️⭐️	Array  🔗 Breadth-First Search  🔗 Matrix  🔗	286. Walls and Gates  🔗  📝 2101. Detonate the Maximum Bombs  🔗  📝 2258. Escape the Spreading Fire  🔗  📝
995. Minimum Number of K Consecutive Bit Flips  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Bit Manipulation  🔗 Sliding Window  🔗 Prefix Sum  🔗	319. Bulb Switcher  🔗  📝 2167. Minimum Time to Remove All Cars Containing Illegal Goods  🔗  📝
996. Number of Squareful Arrays  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Dynamic Programming  🔗 Backtracking  🔗 Bit Manipulation  🔗 Bitmask  🔗	47. Permutations II  🔗  📝
997. Find the Town Judge  🔗  📝	🆓	✅	⭐️	Array  🔗 Hash Table  🔗 Graph  🔗	277. Find the Celebrity  🔗  📝
998. Maximum Binary Tree II  🔗  📝	🆓		⭐️⭐️	Tree  🔗 Binary Tree  🔗	654. Maximum Binary Tree  🔗  📝
999. Available Captures for Rook  🔗  📝	🆓		⭐️	Array  🔗 Matrix  🔗 Simulation  🔗	2257. Count Unguarded Cells in the Grid  🔗  📝
1000. Minimum Cost to Merge Stones  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗	312. Burst Balloons  🔗  📝 1167. Minimum Cost to Connect Sticks  🔗  📝