From a69da429da49bcd4a0b5c0eb448948babca3f29b Mon Sep 17 00:00:00 2001
From: Shreya Singh <82229452+real-phoenix@users.noreply.github.com>
Date: Mon, 25 Oct 2021 20:43:32 +0530
Subject: [PATCH] All Changes are Done

---
 Programming.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Programming.md b/Programming.md
index b84f7e0..303a039 100644
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 12. [SPOJ](https://www.spoj.com/) - Beginner friendly website for CP 
 13. [HackerEarth] (https://www.hackerearth.com/) - Great free-site for Developement and Coding 
 14. [Codedrills] (https://codedrills.io/) - Best site for ACM-ICPC Mock Rounds (Indian Regionals and Prelims)
+15. [USACO](https://usaco.guide/) - American Website for CP
 
 ## Mathematics and Programming 
 
 1. [ProjectEuler](https://projecteuler.net/about) - Best site for Maths Problems which are easily solved using programming.
+2. [Erdos]-(https://erdos.sdslabs.co/) - IIT Roorkee's Maths Practice site. 
+3. [Maths-Stackexchange](https://math.stackexchange.com/) - Ask and Answer maths questions
+4. [Mathometer]  (http://mathometer.weebly.com/) -  Maths Website from an IIT Bombay senior
+5. [MathBlog]  (https://www.mathblog.dk/) - Good Reading blog for Maths. 
 
 ## Useful Codeforces Blogs 
 
 1. [C++Tricks](https://codeforces.com/blog/entry/15643) - Many Tricks are explained well. 
 2. [DSA](https://codeforces.com/blog/entry/13529) - Best blog for resources like Data Structures and Algorithms.
-3. [CP-Blogs](https://www.topcoder.com/thrive/search?tags[]=Competitive%20Programming%20Tutorials) - TopCoders CP Blogs
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+3. [Way-To-Practice-CP](https://codeforces.com/blog/entry/66909) - Guide to Improve Ratings
+4. [YouTube-Tutorial-For-CP](https://codeforces.com/blog/entry/43578) - Nicee YT Tutorials
+5. [Almost-all-Algo-and-Practice-Problems](https://codeforces.com/blog/entry/90912) - Best Blog to learn and practice simultaneously
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