hey, i have a question, in order to become better in competitive programming, do i need to practice on other online judges or codeforces is enough? when i try to practice on more than online judge i waste a lote of time and usually i become overwhelmed
IQ_Overflow theorists say yes
You can go to a great level by practicing on CF. Just ensure that you are learning and applying new concepts for solving different types of questions.
USACO guide can help you to learn more topices.
more topices, as opposed to one topix