README.md

Problems (32/34)

Easy (24/24)

#	Name	Tags	Solution	Test
100001	1. Two Sum	Array Hash Table	✅💾	✅💾
100009	9. Palindrome Number	Math	✅💾	✅💾
100026	26. Remove Duplicates from Sorted Array	Array Two Pointers	✅💾	✅💾
100027	27. Remove Element	Array Two Pointers	✅💾	✅💾
100463	463. Island Perimeter	Array Depth-First Search Breadth-First Search Matrix	✅💾	✅💾
100771	771. Jewels and Stones	Hash Table String	✅💾	✅💾
100876	876. Middle of the Linked List	Linked List Two Pointers	✅💾	✅💾
101108	1108. Defanging an IP Address	String	✅💾	✅💾
101480	1480. Running Sum of 1d Array	Array Prefix Sum	✅💾	✅💾
101512	1512. Number of Good Pairs	Array Hash Table Math Counting	✅💾	✅💾
101544	1544. Make The String Great	String Stack	✅💾	✅💾
101581	1581. Customer Who Visited but Did Not Make Any Transactions	Database	✅💾	✅💾
101587	1587. Bank Account Summary II	Database	✅💾	✅💾
101693	1693. Daily Leads and Partners	Database	✅💾	✅💾
101741	1741. Find Total Time Spent by Each Employee	Database	✅💾	✅💾
101757	1757. Recyclable and Low Fat Products	Database	✅💾	✅💾
101920	1920. Build Array from Permutation	Array Simulation	✅💾	✅💾
101929	1929. Concatenation of Array	Array Simulation	✅💾	✅💾
101952	1952. Three Divisors	Math Enumeration Number Theory	✅💾	✅💾
101979	1979. Find Greatest Common Divisor of Array	Array Math Number Theory	✅💾	✅💾
102011	2011. Final Value of Variable After Performing Operations	Array String Simulation	✅💾	✅💾
102235	2235. Add Two Integers	Math	✅💾	✅💾
102413	2413. Smallest Even Multiple	Math Number Theory	✅💾	✅💾
102469	2469. Convert the Temperature	Math	✅💾	✅💾

Hard (1/2)

#	Name	Tags	Solution	Test
100224	224. Basic Calculator	Math String Stack Recursion	💾	💾
100295	295. Find Median from Data Stream	Two Pointers Design Sorting Heap (Priority Queue) Data Stream	✅💾	✅💾

Medium (7/8)

#	Name	Tags	Solution	Test
100002	2. Add Two Numbers	Linked List Math Recursion	✅💾	✅💾
100049	49. Group Anagrams	Array Hash Table String Sorting	✅💾	✅💾
100151	151. Reverse Words in a String	Two Pointers String	✅💾	✅💾
100189	189. Rotate Array	Array Math Two Pointers	✅💾	✅💾
100786	786. K-th Smallest Prime Fraction	Array Two Pointers Binary Search Sorting Heap (Priority Queue)	💾	💾
101393	1393. Capital Gain/Loss	Database	✅💾	✅💾
101689	1689. Partitioning Into Minimum Number Of Deci-Binary Numbers	String Greedy	✅💾	✅💾
102095	2095. Delete the Middle Node of a Linked List	Linked List Two Pointers	✅💾	✅💾