Tests and problems to improve your skill

We collected a large number of questions and exercises to help you prepare for the interview, check your knowledge and levelup.

func foo(a, N int) int {
    i := N

    for i > 0 {
        a += i
        i /= 2
    }

    return a
}

More then 8000 unique questions collect by themes and sorted by complexity inside our tests.

Easy to incredibly difficult exercises to help you improve skill and prepare to interview.