Time Complexity & Recursion

Welcome to Week 8! 🎉 This week, we will focus on two fundamental topics in algorithmic problem-solving: Time Complexity and Recursion. Understanding time complexity will help you analyze the efficiency of your code, while recursion is a powerful technique for breaking down problems into smaller, manageable subproblems. By the end of this week, you will be able to evaluate the performance of algorithms and implement recursive solutions effectively. Let’s get started! 🚀

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📚 Time Complexity Resources

📝 Topic	Type	🔗 Link
Time Complexity (2024 Session)	🎬 Video	▶ Watch Here
Complexity of Algorithms - 1	🎬 Video	▶ Watch Here
Complexity of Algorithms - 2	🎬 Video	▶ Watch Here
USACO: Time Complexity	📄 Article	Read Here

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📚 Recursion Resources

📝 Topic	Type	🔗 Link
Recursion (2024 Session)	🎬 Video	▶ Watch Here [To 35:01]
Recursive Functions 1 - Intro	🎬 Video	▶ Watch Here
Recursion	🎬 Video	▶ Watch Here
Recursion resources list	More	View

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🎥 Lecture Session

📝 Topic	🔗 Link
🎬 Recording	Watch
📄 Slides	View
🔍 Problems	Coming Soon
💻 Codes and Solutions	Codes

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📄 Practice Sheet

• Sheet Link: Access Problem Sheet

Problems

🔍 Problem Name	🎥 Video Solution	💻 Code Solution
A - A Case of the Zeros and Ones	Watch Solution	Code
B - Tricky Sum	Watch Solution	Code
C - Replacing Elements	Watch Solution	Code
D - MEX and Array	Watch Solution	Code
E - Kill the Monster	Watch Solution	Code
F - Meme Problem	Watch Solution	Code
G - Postcard	Watch Solution	Code
H - Elephant	Watch Solution	Code
I - Game 23	Watch Solution	Code
J - Hello Recursion	Watch Solution	Code
K - Recursion: Fibonacci Numbers	Watch Solution	Code
L - Special Fibonacci	Watch Solution	Code
M - Recursive Digit Sum	Watch Solution	Code
N - Orthogonality	Watch Solution	Code
O - Magic 3	Watch Solution	Code
P - Reverse and Add	Watch Solution	Code
Q - Savings	Watch Solution	Code
R - Truckloads	Watch Solution	Code

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🏆 Weekly Contest

• Contest Link: Access Codeforces Problems
• Problems Overview:

🔍 Problem	🎥 Video Tutorial	🔗 Code Solution
A - Next Prime	Watch Solution	Code
B - Distinct Strings	Watch Solution	Code
C - The Drink	Watch Solution	Code
D - Cookie Puzzle	Watch Solution	Code
E - Challenge	Watch Solution	Code
F - The Alternating Sum	Watch Solution	Code
G - The Score Maximization	Watch Solution	Code
H - Cyclic Shifts	Watch Solution	Code
I - Rotated String	Watch Solution	Code

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💬 Community Support

For any questions, join the discussion in our Discord’s #community-chat. We’re here to help you every step of the way!

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✨ Good luck, and have a great week! 🎉