Memory for Arrays
You get to work and turn on the computer. You start coding and give little thought to the RAM role in the whole process. In […]
ACM
Context Advertising
Advertising has become part of our routine. And now, in the era of progressive technologies, we need your ideas to make advertising better! In this […]
Tennis Rackets
Professional sport is more than hard work. It also is the equipment, designed by top engineers. As an example, let’s take tennis. Not only should […]
Special Task
Special Agent Smart Beaver works in a secret research department of ABBYY. He’s been working there for a long time and is satisfied with his […]
Tidying Up
Smart Beaver is careful about his appearance and pays special attention to shoes so he has a huge number of pairs of shoes from the […]
Good Substrings
Smart Beaver recently got interested in a new word game. The point is as follows: count the number of distinct good substrings of some string s. […]
Summer Homework
By the age of three Smart Beaver mastered all arithmetic operations and got this summer homework from the amazed teacher: You are given a sequence […]
Suns and Rays
Smart Beaver became interested in drawing. He draws suns. However, at some point, Smart Beaver realized that simply drawing suns is boring. So he decided […]
Perfect Pair
Let us call a pair of integer numbers m-perfect, if at least one number in the pair is greater than or equal to m. Thus, the pairs […]
Game with Powers
Vasya and Petya wrote down all integers from 1 to n to play the “powers” game ( n can be quite large; however, Vasya and Petya are not confused by this […]
The Great Julya Calendar
Yet another Armageddon is coming! This time the culprit is the Julya tribe calendar. The beavers in this tribe knew math very well. Smart Beaver, […]
Oh Sweet Beaverette
— Oh my sweet Beaverette, would you fancy a walk along a wonderful woodland belt with me? — Of course, my Smart Beaver! Let us […]
Shave Beaver!
The Smart Beaver has recently designed and built an innovative nanotechnologic all-purpose beaver mass shaving machine, “Beavershave 5000”. Beavershave 5000 can shave beavers by families! […]
Escaping on Beaveractor
Don’t put up with what you’re sick of! The Smart Beaver decided to escape from the campus of Beaver Science Academy (BSA). BSA is a b × b square […]
Purification
You are an adventurer currently journeying inside an evil temple. After defeating a couple of weak zombies, you arrived at a square room consisting of […]
Biridian Forest
You’re a mikemon breeder currently in the middle of your journey to become a mikemon master. Your current obstacle is go through the infamous Biridian […]
The Evil Temple and the Moving Rocks
Important: All possible tests are in the pretest, so you shouldn’t hack on this problem. So, if you passed pretests, you will also pass the […]
