CP Resource

https://www.quora.com/What-are-some-good-resources-to-learn-C++-for-competitive-programming

http://blog.macacm.org/2016/06/courses-and-resources-to-excel-in.html

https://www.quora.com/What-was-Anudeep-Nekkantis-Competitive-Programming-strategy-to-become-35th-in-Global-ranking-in-just-6-7-months

 

http://www.spoj.com/problems/ARRAYSUB/

 

From beginner to expert in competitive programming.

https://www.quora.com/What-are-some-good-courses-on-competitive-programming

Algorithms

https://algo.is/

https://www.quora.com/Can-I-become-a-really-good-self-taught-programmer

Notes and courses for competitive programming

https://www.quora.com/India-Im-yellow-on-Topcoder-the-best-in-my-college-I-am-a-3rd-year-ECE-B-tech-student-with-arrears-and-I-have-CGPA-of-4-0-on-a-scale-of-10-0-I-have-immense-hatred-towards-my-ECE-branch-Im-afraid-I-might-not-get-placed-because-of-my-low-CGPA-What-should-I-do

Course:

https://www.udemy.com/introduction-to-algorithms-and-data-structures-in-c/

https://www.udemy.com/from-0-to-1-c-programming/

https://www.quora.com/How-did-Anudeep-Nekkanti-become-so-good-at-competitive-programming