🚀 DSA Journey

This repo is my personal notebook of Data Structures & Algorithms problems.
Every file here is a step toward becoming a better problem solver.

🔑 Highlights

#	Problem Name	File Link	Approach / Notes
1	Two Sum	problem1.cpp	Hash map / brute force
15	3Sum	problem15.cpp	Sorting + two pointers
18	4Sum	problem18.cpp	Sorting + two pointers
50	Pow(x, n)	problem50.cpp	Fast exponentiation
69	Sqrt(x)	pproblem69.cpp	Binary search
167	Two Sum II (sorted)	problem167.cpp	Two pointers
633	Sum of Squares	problem633.cpp	Two Pointers
	Numbers
367	Valid Perfect Square	problem367.cpp	Binary Search
2200	Find All K-Distant
	Indices in an Array	problem2200.cpp	Binary Search
11	Container with Most
	water.	problem11.cpp	2 Pointer / Brute force
238	Product of array	problem238.cpp
	Expect Self		Cumulative Product
1480	Runnig Sum of 1D Array	problem1480.cpp	Commulative Sum
136	Single Number	problem136.cpp	Bit Manipulation (XOR)
122	Best Time TO Buy and	problem122.cpp	Greedy Approach
	Sell Stock
1672	Customer with maxWealth	problem1672.cpp	Brute Force
1281	Subtract the Product and	problem1281.cpp	Iterative Approach (% and /)
	Sum of Digits of an Integer
9	Palindrome Number	problem9.cpp	Reverse
7	Reverse number	problem7.cpp	Reverse
258	Add Digits	problem258.cpp	Modulus (%) & Division (/)
263	Ugly Number	problem263.cpp	Modulus (%) & Division (/)
326	Power of three	problem326.cpp	Iterative Check
507	Perfect Number	problem507.cpp	Repeated Division
33	Rotated Sorted Array	problem33.cpp	Binary Search

💡 Not just answers, but the process of learning DSA.

Name		Name	Last commit message	Last commit date
Latest commit History 36 Commits
.gitattributes		.gitattributes
.gitignore		.gitignore
README.md		README.md
problem11.cpp		problem11.cpp
problem121.cpp		problem121.cpp
problem122.cpp		problem122.cpp
problem1281.cpp		problem1281.cpp
problem136.cpp		problem136.cpp
problem1480.cpp		problem1480.cpp
problem15.cpp		problem15.cpp
problem167.cpp		problem167.cpp
problem1672.cpp		problem1672.cpp
problem18.cpp		problem18.cpp
problem2200.cpp		problem2200.cpp
problem231.cpp		problem231.cpp
problem238.cpp		problem238.cpp
problem258.cpp		problem258.cpp
problem26.cpp		problem26.cpp
problem263.cpp		problem263.cpp
problem326.cpp		problem326.cpp
problem33.cpp		problem33.cpp
problem342.cpp		problem342.cpp
problem367.cpp		problem367.cpp
problem50.cpp		problem50.cpp
problem507.cpp		problem507.cpp
problem53.cpp		problem53.cpp
problem633.cpp		problem633.cpp
problem66.cpp		problem66.cpp
problem69.cpp		problem69.cpp
problem7.cpp		problem7.cpp
problem9.cpp		problem9.cpp