https://github.com/shorya22/leetcode-250-python-dsa
🧠 Mastering the Top 250 Leetcode Problems for FAANG & Big Tech Interviews | Python Solutions with Intuition, Patterns, and Clean Code.
https://github.com/shorya22/leetcode-250-python-dsa
algorithms amazon-interview blind75 coding-interview data-structures faang-interview-prep google-interview interview-preparation leetcode leetcode-250 meta-interview microsoft-interview neetcode netflix-interview problem-solving python-coding python-coding-interview python-dsa top-leetcode-problems
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🧠 Mastering the Top 250 Leetcode Problems for FAANG & Big Tech Interviews | Python Solutions with Intuition, Patterns, and Clean Code.
- Host: GitHub
- URL: https://github.com/shorya22/leetcode-250-python-dsa
- Owner: Shorya22
- Created: 2025-07-31T16:24:44.000Z (4 months ago)
- Default Branch: main
- Last Pushed: 2025-08-20T18:51:05.000Z (3 months ago)
- Last Synced: 2025-08-20T20:51:58.182Z (3 months ago)
- Topics: algorithms, amazon-interview, blind75, coding-interview, data-structures, faang-interview-prep, google-interview, interview-preparation, leetcode, leetcode-250, meta-interview, microsoft-interview, neetcode, netflix-interview, problem-solving, python-coding, python-coding-interview, python-dsa, top-leetcode-problems
- Language: Python
- Homepage:
- Size: 42 KB
- Stars: 1
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# 🧠 Leetcode 250 - Mastering Top Coding Interview Problems
Welcome to the **Leetcode 250** repository – a curated collection of the **250 most frequently asked Leetcode questions** with **clean Python solutions**, detailed explanations, and optimized code — ideal for preparing for **FAANG**, **Big Tech**, and startup coding interviews.
> ✅ If you’re searching for:
> `Leetcode 250` · `Top 250 Leetcode Problems` · `FAANG Coding Prep` · `Python Interview Questions`
> `Most Asked Leetcode Questions` · `Leetcode DSA Sheet` · `Leetcode for Big Tech Interviews`
> `Data Structures and Algorithms in Python` · `Top Leetcode List 2024` · `Best Leetcode Questions to Practice`
> `Leetcode Pattern-Based Practice` · `Python Coding Interview Guide` · `Google Amazon Meta Interview Leetcode`
> `Top DSA Problems for Product Based Companies` · `Coding Round Preparation in Python`
> `Neetcode 150 vs Leetcode 250` · `Leetcode Python Tracker` · `Crack the Coding Interview with Leetcode`
>
> You’ve landed in the **right place**.
---
## 🚀 Why This Repository Stands Out
✔️ 250 curated questions to maximize your **DSA preparation**
✔️ Clean and readable **Python solutions**
✔️ Includes **intuition, approach, time/space complexity**
✔️ Structured by topic for ease of learning
✔️ Suitable for **Google, Amazon, Meta, Microsoft, Netflix**
✔️ Regular updates and daily commit logs
✔️ Easy folder navigation and problem search
---
## 📚 Structured Problem Categories
| 💡 Topic | 📌 Folder Name | 📊 Problem Count |
|------------------------|-----------------------|------------------|
| Arrays & Strings | `arrays_strings/` | ~40 problems |
| Linked Lists | `linked_lists/` | ~20 problems |
| Trees & Binary Trees | `trees/` | ~35 problems |
| Graphs & Traversals | `graphs/` | ~25 problems |
| Dynamic Programming | `dp/` | ~40 problems |
| Sliding Window | `sliding_window/` | ~20 problems |
| Binary Search | `binary_search/` | ~15 problems |
| Backtracking | `backtracking/` | ~20 problems |
| Stack & Queues | `stack_queue/` | ~15 problems |
| Heap & Greedy | `heap_greedy/` | ~15 problems |
| Bit Manipulation | `bit_manipulation/` | ~10 problems |
| Math & Logic | `math_logic/` | ~10 problems |
| Others & Miscellaneous | `others/` | ~5 problems |
> 📖 **Detailed topic guide**: See [TOPICS.md](TOPICS.md) for comprehensive explanations of each category.
📊 Progress Tracker
✅ Total Questions: 250
🔄 Solved: XX
📅 Updates: Daily commits
> 🎯 **Track your progress**: Run `python progress_tracker.py` to monitor your completion status across all categories.
⭐ Stars, forks, and contributions are welcome!
⭐ Support & Share
If this project helps you:
🌟 Give it a star
🍴 Fork it to your profile
🗣️ Share with friends and aspiring interview candidates
## 🧠 Example Format for Each Solution
```python
"""
Problem: 121. Best Time to Buy and Sell Stock
Link: https://leetcode.com/problems/best-time-to-buy-and-sell-stock/
Level: Easy
Approach:
- Track the minimum price seen so far
- Track the maximum profit if sold today
Time Complexity: O(n)
Space Complexity: O(1)
"""
def maxProfit(prices):
min_price = float('inf')
max_profit = 0
for p in prices:
min_price = min(min_price, p)
max_profit = max(max_profit, p - min_price)
return max_profit