Before starting, let's have a look at some of my contests:
These contests made
Okay, so let's talk about some strategies for competitive programming. I was once a gray coder as I was totally new to programming when I entered codeforces. FROM GRAY TO GREEN: First of all, you need to be good at brute force and implementation. If you are a complete beginner then do 20-30 800-1200 problems and you will b good at solving A level problems in 5-10 minutes. The try to do B in a live contest in 15-30 minutes only. By only this you can shift your rating to 1200 or so. FROM GREEN TO CYAN Now, to increase your speed you just need to practice more A and B level problems. As you are now quite confident of solving A and B level problems you must now try C also which is generally of 1400-1700 rating. This require some special techniques such as prefix sum, or some simple trick methods for reducing time complexity. Now the mistake I did was I tried to learn more advanced data structures such as graphs, trees, KMP algorithm, etc and that wasn't ne...
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