Kuroni and the Gifts
Kuroni has $n$ daughters. As gifts for them, he bought $n$ necklaces and $n$ bracelets: the $i$-th necklace has a brightness $a_i$, where all the […]
Kuroni
Kuroni and Impossible Calculation
To become the king of Codeforces, Kuroni has to solve the following problem. He is given $n$ numbers $a_1, a_2, \dots, a_n$. Help Kuroni to […]
Kuroni and Simple Strings
Now that Kuroni has reached 10 years old, he is a big boy and doesn’t like arrays of integers as presents anymore. This year he […]
Kuroni and the Score Distribution
Kuroni is the coordinator of the next Mathforces round written by the “Proof by AC” team. All the preparation has been done, and he is […]
Kuroni and the Celebration
This is an interactive problem. After getting AC after 13 Time Limit Exceeded verdicts on a geometry problem, Kuroni went to an Italian restaurant to […]
Kuroni and the Punishment
Kuroni is very angry at the other setters for using him as a theme! As a punishment, he forced them to solve the following problem: […]
Kuroni the Private Tutor
As a professional private tutor, Kuroni has to gather statistics of an exam. Kuroni has appointed you to complete this important task. You must not […]
