Blog entries - Codeforces

Brainstorming : Write all the ideas that comes to your mind and discuss it with yourself that.
Keep solve problems : Don't stop, try to solve harder problems than your average from time to time to know if it's the time to move to harder problems, ex: now solve problems with hardness 1000 when that be easy for you move to 1100 and so...
See other's solutions : You can see another idea, learn how to perfectly employ the language and the most important thing is to learn how experienced programmers write code.
Learn new topics : This increases your knowledge, but don't learn a little of a topic then move to another, you should be experienced with it, you can learn the topics at USACO guide, just search USACO guide then write the topic.
Divide the problem : Make the problem easier by dividing it into small problems.
Participate in contests : To see how much you have evolved. Good Luck Tiny question: how to write a tab and an enter in the blog.