Hi Everyone,

I need all your suggestion . From Past 1 year i am participating in codechef long challenge, and also in codeforces and but only i can able to solve 1 to 2 question. I am analyzing my performances and also analyzing the question asked in these contest… I feel like knowing only algorithm will not going to help me… I need to some of the mathematical algorithm and mathematical stuffs… can you please suggest me what are the mathematical topics i must study which will help me in improve my skill and able to more number of question. and how can i improve my ratings…

Many many thank you