In order to solve 1300-1600 rated problem,what kind of algo I need to be learned or those also like Div2 A/B,especially I am talking about Div2-c?
Need a very straightforward suggestion
In order to solve 1300-1600 rated problem,what kind of algo I need to be learned or those also like Div2 A/B,especially I am talking about Div2-c?