list-08

Question	Free?	Status	Difficulty	Topics	Similar Questions
701. Insert into a Binary Search Tree  🔗  📝	🆓	✅	⭐️⭐️	Tree  🔗 Binary Search Tree  🔗 Binary Tree  🔗	700. Search in a Binary Search Tree  🔗  📝
702. Search in a Sorted Array of Unknown Size  🔗  📝	💰		⭐️⭐️	Array  🔗 Binary Search  🔗 Interactive  🔗	704. Binary Search  🔗  📝 1533. Find the Index of the Large Integer  🔗  📝
703. Kth Largest Element in a Stream  🔗  📝	🆓		⭐️	Tree  🔗 Design  🔗 Binary Search Tree  🔗 Heap (Priority Queue)  🔗 Binary Tree  🔗 Data Stream  🔗	215. Kth Largest Element in an Array  🔗  📝 1825. Finding MK Average  🔗  📝 2102. Sequentially Ordinal Rank Tracker  🔗  📝
704. Binary Search  🔗  📝	🆓	✅	⭐️	Array  🔗 Binary Search  🔗	702. Search in a Sorted Array of Unknown Size  🔗  📝
705. Design HashSet  🔗  📝	🆓		⭐️	Array  🔗 Hash Table  🔗 Linked List  🔗 Design  🔗 Hash Function  🔗	706. Design HashMap  🔗  📝 1206. Design Skiplist  🔗  📝
706. Design HashMap  🔗  📝	🆓		⭐️	Array  🔗 Hash Table  🔗 Linked List  🔗 Design  🔗 Hash Function  🔗	705. Design HashSet  🔗  📝 1206. Design Skiplist  🔗  📝
707. Design Linked List  🔗  📝	🆓	✅	⭐️⭐️	Linked List  🔗 Design  🔗	1206. Design Skiplist  🔗  📝
708. Insert into a Sorted Circular Linked List  🔗  📝	💰		⭐️⭐️	Linked List  🔗	147. Insertion Sort List  🔗  📝
709. To Lower Case  🔗  📝	🆓	✅	⭐️	String  🔗	2129. Capitalize the Title  🔗  📝
710. Random Pick with Blacklist  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 Math  🔗 Binary Search  🔗 Sorting  🔗 Randomized  🔗	398. Random Pick Index  🔗  📝 528. Random Pick with Weight  🔗  📝 1980. Find Unique Binary String  🔗  📝
711. Number of Distinct Islands II  🔗  📝	💰		⭐️⭐️⭐️	Hash Table  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Hash Function  🔗	694. Number of Distinct Islands  🔗  📝
712. Minimum ASCII Delete Sum for Two Strings  🔗  📝	🆓		⭐️⭐️	String  🔗 Dynamic Programming  🔗	72. Edit Distance  🔗  📝 300. Longest Increasing Subsequence  🔗  📝 583. Delete Operation for Two Strings  🔗  📝
713. Subarray Product Less Than K  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Sliding Window  🔗	152. Maximum Product Subarray  🔗  📝 325. Maximum Size Subarray Sum Equals k  🔗  📝 560. Subarray Sum Equals K  🔗  📝 1099. Two Sum Less Than K  🔗  📝 2110. Number of Smooth Descent Periods of a Stock  🔗  📝 2302. Count Subarrays With Score Less Than K  🔗  📝
714. Best Time to Buy and Sell Stock with Transaction Fee  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Greedy  🔗	122. Best Time to Buy and Sell Stock II  🔗  📝
715. Range Module  🔗  📝	🆓		⭐️⭐️⭐️	Design  🔗 Segment Tree  🔗 Ordered Set  🔗	56. Merge Intervals  🔗  📝 57. Insert Interval  🔗  📝 352. Data Stream as Disjoint Intervals  🔗  📝
716. Max Stack  🔗  📝	💰		⭐️⭐️⭐️	Linked List  🔗 Stack  🔗 Design  🔗 Doubly-Linked List  🔗 Ordered Set  🔗	155. Min Stack  🔗  📝
717. 1-bit and 2-bit Characters  🔗  📝	🆓	✅	⭐️	Array  🔗	89. Gray Code  🔗  📝
718. Maximum Length of Repeated Subarray  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗 Dynamic Programming  🔗 Sliding Window  🔗 Rolling Hash  🔗 Hash Function  🔗	209. Minimum Size Subarray Sum  🔗  📝 1923. Longest Common Subpath  🔗  📝
719. Find K-th Smallest Pair Distance  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Two Pointers  🔗 Binary Search  🔗 Sorting  🔗	373. Find K Pairs with Smallest Sums  🔗  📝 378. Kth Smallest Element in a Sorted Matrix  🔗  📝 658. Find K Closest Elements  🔗  📝 668. Kth Smallest Number in Multiplication Table  🔗  📝 786. K-th Smallest Prime Fraction  🔗  📝
720. Longest Word in Dictionary  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗 Trie  🔗 Sorting  🔗	524. Longest Word in Dictionary through Deleting  🔗  📝 676. Implement Magic Dictionary  🔗  📝 1858. Longest Word With All Prefixes  🔗  📝
721. Accounts Merge  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗	684. Redundant Connection  🔗  📝 734. Sentence Similarity  🔗  📝 737. Sentence Similarity II  🔗  📝
722. Remove Comments  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗	385. Mini Parser  🔗  📝 439. Ternary Expression Parser  🔗  📝
723. Candy Crush  🔗  📝	💰		⭐️⭐️	Array  🔗 Two Pointers  🔗 Matrix  🔗 Simulation  🔗
724. Find Pivot Index  🔗  📝	🆓	✅	⭐️	Array  🔗 Prefix Sum  🔗	560. Subarray Sum Equals K  🔗  📝 1991. Find the Middle Index in Array  🔗  📝 2219. Maximum Sum Score of Array  🔗  📝 2270. Number of Ways to Split Array  🔗  📝
725. Split Linked List in Parts  🔗  📝	🆓	✅	⭐️⭐️	Linked List  🔗	61. Rotate List  🔗  📝 328. Odd Even Linked List  🔗  📝
726. Number of Atoms  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 String  🔗 Stack  🔗 Sorting  🔗	394. Decode String  🔗  📝 471. Encode String with Shortest Length  🔗  📝 736. Parse Lisp Expression  🔗  📝
727. Minimum Window Subsequence  🔗  📝	💰		⭐️⭐️⭐️	String  🔗 Dynamic Programming  🔗 Sliding Window  🔗	76. Minimum Window Substring  🔗  📝 674. Longest Continuous Increasing Subsequence  🔗  📝
728. Self Dividing Numbers  🔗  📝	🆓		⭐️	Math  🔗	507. Perfect Number  🔗  📝 2283. Check if Number Has Equal Digit Count and Digit Value  🔗  📝
729. My Calendar I  🔗  📝	🆓		⭐️⭐️	Binary Search  🔗 Design  🔗 Segment Tree  🔗 Ordered Set  🔗	731. My Calendar II  🔗  📝 732. My Calendar III  🔗  📝
730. Count Different Palindromic Subsequences  🔗  📝	🆓		⭐️⭐️⭐️	String  🔗 Dynamic Programming  🔗	516. Longest Palindromic Subsequence  🔗  📝
731. My Calendar II  🔗  📝	🆓		⭐️⭐️	Binary Search  🔗 Design  🔗 Segment Tree  🔗 Ordered Set  🔗	729. My Calendar I  🔗  📝 732. My Calendar III  🔗  📝
732. My Calendar III  🔗  📝	🆓		⭐️⭐️⭐️	Binary Search  🔗 Design  🔗 Segment Tree  🔗 Ordered Set  🔗	729. My Calendar I  🔗  📝 731. My Calendar II  🔗  📝 2276. Count Integers in Intervals  🔗  📝
733. Flood Fill  🔗  📝	🆓	✅	⭐️	Array  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Matrix  🔗	463. Island Perimeter  🔗  📝
734. Sentence Similarity  🔗  📝	💰		⭐️	Array  🔗 Hash Table  🔗 String  🔗	547. Number of Provinces  🔗  📝 721. Accounts Merge  🔗  📝 737. Sentence Similarity II  🔗  📝
735. Asteroid Collision  🔗  📝	🆓		⭐️⭐️	Array  🔗 Stack  🔗	605. Can Place Flowers  🔗  📝 2126. Destroying Asteroids  🔗  📝 2211. Count Collisions on a Road  🔗  📝
736. Parse Lisp Expression  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 String  🔗 Stack  🔗 Recursion  🔗	439. Ternary Expression Parser  🔗  📝 726. Number of Atoms  🔗  📝 770. Basic Calculator IV  🔗  📝
737. Sentence Similarity II  🔗  📝	💰		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗	547. Number of Provinces  🔗  📝 721. Accounts Merge  🔗  📝 734. Sentence Similarity  🔗  📝
738. Monotone Increasing Digits  🔗  📝	🆓		⭐️⭐️	Math  🔗 Greedy  🔗	402. Remove K Digits  🔗  📝
739. Daily Temperatures  🔗  📝	🆓		⭐️⭐️	Array  🔗 Stack  🔗 Monotonic Stack  🔗	496. Next Greater Element I  🔗  📝 901. Online Stock Span  🔗  📝
740. Delete and Earn  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Hash Table  🔗 Dynamic Programming  🔗	198. House Robber  🔗  📝
741. Cherry Pickup  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Dynamic Programming  🔗 Matrix  🔗	64. Minimum Path Sum  🔗  📝 174. Dungeon Game  🔗  📝 2065. Maximum Path Quality of a Graph  🔗  📝
742. Closest Leaf in a Binary Tree  🔗  📝	💰		⭐️⭐️	Tree  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Binary Tree  🔗
743. Network Delay Time  🔗  📝	🆓		⭐️⭐️	Depth-First Search  🔗 Breadth-First Search  🔗 Graph  🔗 Heap (Priority Queue)  🔗 Shortest Path  🔗	2039. The Time When the Network Becomes Idle  🔗  📝 2045. Second Minimum Time to Reach Destination  🔗  📝
744. Find Smallest Letter Greater Than Target  🔗  📝	🆓	✅	⭐️	Array  🔗 Binary Search  🔗	2148. Count Elements With Strictly Smaller and Greater Elements   🔗  📝
745. Prefix and Suffix Search  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 String  🔗 Design  🔗 Trie  🔗	211. Design Add and Search Words Data Structure  🔗  📝
746. Min Cost Climbing Stairs  🔗  📝	🆓		⭐️	Array  🔗 Dynamic Programming  🔗	70. Climbing Stairs  🔗  📝
747. Largest Number At Least Twice of Others  🔗  📝	🆓	✅	⭐️	Array  🔗 Sorting  🔗	2154. Keep Multiplying Found Values by Two  🔗  📝 2231. Largest Number After Digit Swaps by Parity  🔗  📝
748. Shortest Completing Word  🔗  📝	🆓		⭐️	Array  🔗 Hash Table  🔗 String  🔗
749. Contain Virus  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Matrix  🔗 Simulation  🔗
750. Number Of Corner Rectangles  🔗  📝	💰		⭐️⭐️	Array  🔗 Math  🔗 Dynamic Programming  🔗 Matrix  🔗
751. IP to CIDR  🔗  📝	💰		⭐️⭐️	String  🔗 Bit Manipulation  🔗	93. Restore IP Addresses  🔗  📝 468. Validate IP Address  🔗  📝
752. Open the Lock  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗 Breadth-First Search  🔗	2368. Reachable Nodes With Restrictions  🔗  📝
753. Cracking the Safe  🔗  📝	🆓		⭐️⭐️⭐️	Depth-First Search  🔗 Graph  🔗 Eulerian Circuit  🔗
754. Reach a Number  🔗  📝	🆓		⭐️⭐️	Math  🔗 Binary Search  🔗
755. Pour Water  🔗  📝	💰		⭐️⭐️	Array  🔗 Simulation  🔗	42. Trapping Rain Water  🔗  📝
756. Pyramid Transition Matrix  🔗  📝	🆓		⭐️⭐️	Bit Manipulation  🔗 Depth-First Search  🔗 Breadth-First Search  🔗
757. Set Intersection Size At Least Two  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Greedy  🔗 Sorting  🔗
758. Bold Words in String  🔗  📝	💰		⭐️⭐️	Array  🔗 Hash Table  🔗 String  🔗 Trie  🔗 String Matching  🔗
759. Employee Free Time  🔗  📝	💰		⭐️⭐️⭐️	Array  🔗 Sorting  🔗 Heap (Priority Queue)  🔗	56. Merge Intervals  🔗  📝 986. Interval List Intersections  🔗  📝
760. Find Anagram Mappings  🔗  📝	💰		⭐️	Array  🔗 Hash Table  🔗
761. Special Binary String  🔗  📝	🆓		⭐️⭐️⭐️	String  🔗 Recursion  🔗	678. Valid Parenthesis String  🔗  📝
762. Prime Number of Set Bits in Binary Representation  🔗  📝	🆓		⭐️	Math  🔗 Bit Manipulation  🔗	191. Number of 1 Bits  🔗  📝
763. Partition Labels  🔗  📝	🆓	✅	⭐️⭐️	Hash Table  🔗 Two Pointers  🔗 String  🔗 Greedy  🔗	56. Merge Intervals  🔗  📝
764. Largest Plus Sign  🔗  📝	🆓		⭐️⭐️	Array  🔗 Dynamic Programming  🔗	221. Maximal Square  🔗  📝
765. Couples Holding Hands  🔗  📝	🆓		⭐️⭐️⭐️	Greedy  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Graph  🔗	41. First Missing Positive  🔗  📝 268. Missing Number  🔗  📝 854. K-Similar Strings  🔗  📝
766. Toeplitz Matrix  🔗  📝	🆓		⭐️	Array  🔗 Matrix  🔗	422. Valid Word Square  🔗  📝
767. Reorganize String  🔗  📝	🆓		⭐️⭐️	Hash Table  🔗 String  🔗 Greedy  🔗 Sorting  🔗 Heap (Priority Queue)  🔗 Counting  🔗	358. Rearrange String k Distance Apart  🔗  📝 621. Task Scheduler  🔗  📝 1405. Longest Happy String  🔗  📝
768. Max Chunks To Make Sorted II  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Stack  🔗 Greedy  🔗 Sorting  🔗 Monotonic Stack  🔗	769. Max Chunks To Make Sorted  🔗  📝
769. Max Chunks To Make Sorted  🔗  📝	🆓		⭐️⭐️	Array  🔗 Stack  🔗 Greedy  🔗 Sorting  🔗 Monotonic Stack  🔗	768. Max Chunks To Make Sorted II  🔗  📝
770. Basic Calculator IV  🔗  📝	🆓		⭐️⭐️⭐️	Hash Table  🔗 Math  🔗 String  🔗 Stack  🔗 Recursion  🔗	736. Parse Lisp Expression  🔗  📝 772. Basic Calculator III  🔗  📝
771. Jewels and Stones  🔗  📝	🆓	✅	⭐️	Hash Table  🔗 String  🔗
772. Basic Calculator III  🔗  📝	💰		⭐️⭐️⭐️	Math  🔗 String  🔗 Stack  🔗 Recursion  🔗	224. Basic Calculator  🔗  📝 227. Basic Calculator II  🔗  📝 770. Basic Calculator IV  🔗  📝 1597. Build Binary Expression Tree From Infix Expression  🔗  📝
773. Sliding Puzzle  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Breadth-First Search  🔗 Matrix  🔗
774. Minimize Max Distance to Gas Station  🔗  📝	💰		⭐️⭐️⭐️	Array  🔗 Binary Search  🔗	875. Koko Eating Bananas  🔗  📝
775. Global and Local Inversions  🔗  📝	🆓		⭐️⭐️	Array  🔗 Math  🔗
776. Split BST  🔗  📝	💰		⭐️⭐️	Tree  🔗 Binary Search Tree  🔗 Recursion  🔗 Binary Tree  🔗	450. Delete Node in a BST  🔗  📝
777. Swap Adjacent in LR String  🔗  📝	🆓		⭐️⭐️	Two Pointers  🔗 String  🔗	2337. Move Pieces to Obtain a String  🔗  📝
778. Swim in Rising Water  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Binary Search  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Heap (Priority Queue)  🔗 Matrix  🔗	1631. Path With Minimum Effort  🔗  📝
779. K-th Symbol in Grammar  🔗  📝	🆓		⭐️⭐️	Math  🔗 Bit Manipulation  🔗 Recursion  🔗
780. Reaching Points  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗
781. Rabbits in Forest  🔗  📝	🆓		⭐️⭐️	Array  🔗 Hash Table  🔗 Math  🔗 Greedy  🔗
782. Transform to Chessboard  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Math  🔗 Bit Manipulation  🔗 Matrix  🔗
783. Minimum Distance Between BST Nodes  🔗  📝	🆓		⭐️	Tree  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Binary Search Tree  🔗 Binary Tree  🔗	94. Binary Tree Inorder Traversal  🔗  📝
784. Letter Case Permutation  🔗  📝	🆓	✅	⭐️⭐️	String  🔗 Backtracking  🔗 Bit Manipulation  🔗	78. Subsets  🔗  📝 1087. Brace Expansion  🔗  📝
785. Is Graph Bipartite?  🔗  📝	🆓		⭐️⭐️	Depth-First Search  🔗 Breadth-First Search  🔗 Union Find  🔗 Graph  🔗
786. K-th Smallest Prime Fraction  🔗  📝	🆓		⭐️⭐️	Array  🔗 Binary Search  🔗 Sorting  🔗 Heap (Priority Queue)  🔗	378. Kth Smallest Element in a Sorted Matrix  🔗  📝 668. Kth Smallest Number in Multiplication Table  🔗  📝 719. Find K-th Smallest Pair Distance  🔗  📝
787. Cheapest Flights Within K Stops  🔗  📝	🆓		⭐️⭐️	Dynamic Programming  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Graph  🔗 Heap (Priority Queue)  🔗 Shortest Path  🔗	568. Maximum Vacation Days  🔗  📝 2093. Minimum Cost to Reach City With Discounts  🔗  📝
788. Rotated Digits  🔗  📝	🆓	✅	⭐️⭐️	Math  🔗 Dynamic Programming  🔗
789. Escape The Ghosts  🔗  📝	🆓	✅	⭐️⭐️	Array  🔗 Math  🔗	1728. Cat and Mouse II  🔗  📝
790. Domino and Tromino Tiling  🔗  📝	🆓		⭐️⭐️	Dynamic Programming  🔗
791. Custom Sort String  🔗  📝	🆓	✅	⭐️⭐️	Hash Table  🔗 String  🔗 Sorting  🔗
792. Number of Matching Subsequences  🔗  📝	🆓		⭐️⭐️	Hash Table  🔗 String  🔗 Trie  🔗 Sorting  🔗	392. Is Subsequence  🔗  📝 1055. Shortest Way to Form String  🔗  📝 2062. Count Vowel Substrings of a String  🔗  📝
793. Preimage Size of Factorial Zeroes Function  🔗  📝	🆓		⭐️⭐️⭐️	Math  🔗 Binary Search  🔗	172. Factorial Trailing Zeroes  🔗  📝
794. Valid Tic-Tac-Toe State  🔗  📝	🆓		⭐️⭐️	Array  🔗 String  🔗	348. Design Tic-Tac-Toe  🔗  📝
795. Number of Subarrays with Bounded Maximum  🔗  📝	🆓		⭐️⭐️	Array  🔗 Two Pointers  🔗
796. Rotate String  🔗  📝	🆓		⭐️	String  🔗 String Matching  🔗
797. All Paths From Source to Target  🔗  📝	🆓	✅	⭐️⭐️	Backtracking  🔗 Depth-First Search  🔗 Breadth-First Search  🔗 Graph  🔗	1976. Number of Ways to Arrive at Destination  🔗  📝 2328. Number of Increasing Paths in a Grid  🔗  📝
798. Smallest Rotation with Highest Score  🔗  📝	🆓		⭐️⭐️⭐️	Array  🔗 Prefix Sum  🔗
799. Champagne Tower  🔗  📝	🆓	✅	⭐️⭐️	Dynamic Programming  🔗	2189. Number of Ways to Build House of Cards  🔗  📝
800. Similar RGB Color  🔗  📝	💰		⭐️	Math  🔗 String  🔗 Enumeration  🔗