codejam

1. https://icpc.baylor.edu/ 
2. https://www.geeksforgeeks.org/prepare-google-kickstart/
3. https://www.quora.com/What-is-a-good-way-to-prepare-for-Google-Code-Jam 
4. https://code.google.com/codejam/resources/problem-preparation
5. https://groups.google.com/forum/#!topic/google-code/0mzXncavvtM 
6. https://www.youtube.com/watch?v=klXNkEdR1cY
7. Good Math is the first thing
8. Algorithm
1. Time Complexity
9. Data Structure
10. book -> competitive programming
11. Practice Practice and Practice
12. learn all the shortcuts of IDE
13. learn typing
14. Reasoning
15. Puzzles
16. https://fossbytes.com/google-code-jam-2015-heres-everything-you-should-know-to-participate/
17. https://blog.codingblocks.com/2017/howto-prepare-google-apac-acmicpc
18. taking coding course at 
1. Coursera
2. Competitive Coding Bootcamp. 
19. regular expression
20. file handling
21. https://news.ycombinator.com/item?id=801835
22.  https://stackoverflow.com/questions/2228402/being-able-to-solve-google-code-jam-problem-sets
23.  http://jugglingcode.blogspot.in/2012/06/tipsstrategy-for-google-code-jam.html
24. techgig
25. codechef
26. topcoder
27. codeforce
28.  https://code.google.com/codejam/resources/faq
29.  https://code.google.com/codejam/terms
30.  https://stackoverflow.com/questions/2228402/being-able-to-solve-google-code-jam-problem-sets
31.  ACM-ICPC