LeetCode

Welcome to my LeetCode problems practice repository!

Array & Strings

#	Problem	Difficulty	Solution
345	Reverse Vowels of a String	Easy	Python
605	Can Place Flowers	Easy	Python
1431	Kids With the Greatest Number of Candies	Easy	Python
1768	Merge Strings Alternately	Easy	Python
2073	Time Needed to Buy Tickets	Easy	Python
151	Reverse Words in a String	Medium	Python
238	Product of Array Except Self	Medium	Python
443	String Compression	Medium	Python

Binary Search Tree

#	Problem	Difficulty	Solution
700	Search in a Binary Search Tree	Easy	Python
872	Leaf Similar Trees	Easy	Python
450	Delete Node in a BST	Medium	Python
2385	Amount of Time for Binary Tree to Be Infected	Medium	Python

Binary Search

#	Problem	Difficulty	Solution
374	Guess Number Higher or Lower	Medium	Python
2300	Successful Pairs of Spells and Potions	Medium	Python

Bit Manipulation

#	Problem	Difficulty	Solution
136	Single Number	Easy	Python
338	Counting Bits	Easy	Python
1318	Minimum Flips to Make a OR b Equal to c	Medium	Python

DP - 1D

#	Problem	Difficulty	Solution
1137	N-th Tribonacci Number	Easy	Python
746	Min Cost Climbing Stairs	Easy	Python
198	House Robber	Medium	Python
790	Domino and Tromino Tiling	Medium	Python

Graph - DFS

#	Problem	Difficulty	Solution
547	Number of Provinces	Medium	Python (Not finished)
841	Keys and Rooms	Medium	Python

Hash Map / Set

#	Problem	Difficulty	Solution
1207	Unique Number of Occurrences	Easy	Python, C++
2215	Find the Difference of Two Arrays	Easy	Python, C++
1657	Determine if Two Strings Are Close	Mediun	Python
2352	Equal Row and Column Pairs	Medium	Python

Linked List

#	Problem	Difficulty	Solution
206	Reverse Linked List	Easy	Python
19	Remove the Nth Node From End of List	Medium	Python
328	Odd Even Linked List	Medium	Python
2095	Delete the Middle Node of a Linked List	Medium	Python
2130	Maximum Twin Sum of a Linked List	Medium	Python

Sliding Window

#	Problem	Difficulty	Solution
643	Maximum Average Subarray I	Easy	Python

Two pointers

#	Problem	Difficulty	Solution
283	Move Zeroes	Easy	Python
392	Is Subsequence	Easy	Python
11	Move Zeroes	Medium	Python
1679	Max Number of K-Sum Pairs	Medium	Python