LeetCode Solutions Collection

Welcome to my LeetCode Solutions repository! This collection contains solutions to various LeetCode problems that I have solved. The problems are organized from Easy to Hard to showcase my progress and enhance my problem-solving skills.

Repository Structure

Each problem is contained within the src directory. Inside this directory, you will find the solution files and corresponding result images.

Features

• Language Variety on Solutions: Solutions are implemented in a variety of programming languages to expand my coding expertise and knowledge. But mostly, I try to improve myself on C, C++ and Python3.

• Direct Links: Each problem includes a direct link to its corresponding LeetCode problem page for easy reference to users.

Notes : Problems are listed in order of increasing difficulty, starting from Easy and progressing to Hard.

Table of Contents

Easy

Below is a list of Easy level problems, including the problem name (linked to the LeetCode problem), a link to my solution, and a link to the result image.

#	Problem Name	Solution	Result
1	Two Sum	Solution	Result
2	Palindrome Number	Solution	Result
3	Roman To Integer	Solution	Result
4	Longest Common Prefix	Solution	Result
5	Valid Parentheses	Solution	Result
6	Merge Two Sorted Lists	Solution	Result
7	Find The Index of the First Occurrence in a String	Solution	Result
8	Search Insert Position	Solution	Result
9	Length of Last Word	Solution	Result
10	Plus One	Solution	Result
11	Add Binary	Solution	Result
12	Sqrt(x)	Solution	Result
13	Climbing Stairs	Solution	Result
14	Remove Duplicates from Sorted List	Solution	Result
15	Merge Sorted Array	Solution	Result
16	Same Tree	Solution	Result
17	Symmetric Tree	Solution	Result
18	Maximum Depth of Binary Tree	Solution	Result
19	Convert Sorted Array to Binary Search Tree	Solution	Result
20	Balanced Binary Tree	Solution	Result
21	Minimum Depth of Binary Tree	Solution	Result
22	Path Sum	Solution	Result
23	Pascal's Triangle	Solution	Result
24	Pascal's Triangle II	Solution	Result
25	Best Time to Buy and Sell Stock	Solution	Result
26	Valid Palindrome	Solution	Result
27	Single Number	Solution	Result
28	Linked List Cycle	Solution	Result
29	Binary Tree Preorder Traversal	Solution	Result
30	Binary Tree Postorder Traversal	Solution	Result
31	Intersection of Two Linked Lists	Solution	Result
32	Excel Sheet Column Title	Solution	Result
33	Majority Element	Solution	Result
34	Excel Sheet Column Number	Solution	Result
35	Reverse Bits	Solution	Result
36	Number of 1 Bits	Solution	Result
37	Happy Number	Solution	Result
38	Remove Linked List Elements	Solution	Result
39	Isomorphic Strings	Solution	Result
40	Reverse Linked List	Solution	Result
41	Contains Duplicate	Solution	Result
42	Contains Duplicate II	Solution	Result
43	Count Complete Tree Nodes	Solution	Result
45	Implement Stack using Queues	Solution	Result
46	Invert Binary Tree	Solution	Result
47	Summary Ranges	Solution	Result
48	Power of Two	Solution	Result
49	Implement Queue using Stacks	Solution	Result
50	Palindrome Linked List	Solution	Result
51	Valid Anagram	Solution	Result
52	Binary Tree Paths	Solution	Result
53	Add Digits	Solution	Result
54	Ugly Number	Solution	Result
55	Missing Number	Solution	Result
56	First Bad Version	Solution	Result
57	Move Zeroes	Solution	Result
58	Word Pattern	Solution	Result
59	Nim Game	Solution	Result
60	Range Sum Query - Immutable	Solution	Result

Medium

#	Problem Name	Solution	Result
44	Remove Nth Node From End of List	Solution	Result

Hard

Not solved any problems yet.