message: Added more links to useful resources.
diff: [CareerCup](https://www.careercup.com/) - Good source for software engineering interview preparation.
  +[CP-Algorithms](https://cp-algorithms.com/) - A good place to learn advanced data structures and algorithms for competitive programming.
  +
  +[Errichto's Youtube Channel](https://www.youtube.com/channel/UCBr_Fu6q9iHYQCh13jmpbrg) - Good video tutorials about competitive programming.
  +
  ### Tutorials to improve Competitive Programming:
  * [TopCoder Competitive Programming Tutorials](https://www.topcoder.com/community/competitive-programming/tutorials/) - A list of best tutorials written by respected Topcoder members.
  