Competitive Coding

I am Newbies In competitive Programming and i want to Problem for practice in Difficulty Order…
so if you have Any Resource Please share with us.Main Goal IS Codeforces.

You can practice in codeforces go to problemset there is filter option so you can filter the question based on difficulity like 800-1000,1000-1500 etc .In codechef at top most you can see begiiner easy medium hard problems you can practise there