Problems by zobayer

Candy Boxes

Mehdi won a million dollars lottery, and not knowing what to do with such big amounts of money, he b...

Cheap Tourist

The country of Byteland is divided into N provinces numbered from 1 to N. The provinces are connecte...

CloX

Given two clocks with no digits printed on them and only two hands, one smaller for hour and one big...

Cover the Points

You are given a set of points P, and a set of target points M in 2D space. For each point M[i] in M,...

Crossword Puzzle II

A crossword puzzle consists of an MxN grid with M rows and N columns. Initially, some of the squares...

Crossword Puzzles

A crossword puzzle is usually a grid of RxC cells. Initially, each cell is either empty or blocked. ...

Digit String

We are giving you a number N and your task is to generate a N digit string where the string reading ...

Dividing Triangle

You will be given an isosceles right angled triangle. The legs of the triangle have a length of L an...

DVD Rental Store

You are the owner of a DVD rental store. There are N customers who want to rent a DVD of ‘The Matrix...

Factorial Generator

Mr. Ong wants to develop a factorial generator machine, which input takes as a 62-bit integer, and o...

File Cleanup

Recently I have noticed that my hard drive was getting filled and it is high time I did some cleanup...

Game of Triangles

In order to overcome the boredom during the Covid19 lockdown, you have created a small but clever ga...

Golden Cycle

Mr. Xu is a student of CSE who is very curious in graph theory. In past years he solved different ty...

Grid

Grid markup is a process, where each of the grid cells is marked with a star symbol *\texttt{*}*. Yo...

Infinity Wall

Alien Tara lives on a planet named Confusious. He wants to go to the planet Ultron. He can use any s...

Jimmy and Jamy

Jimmy and Jamy are two brothers. They like to play with colored marble. Jimmy has N boxes with three...

Magic Number Count

Magic number is an integer number, which is only divisible by itself and total number of divisor wil...

Many Roads

The mighty river ByteStream runs through the fertile lands of ByteLands. The 2N cities of ByteLand a...

Party Lights

The famous mafia leader of Byteland, Don Mukuvich, is hosting a party and he has decided to decorat...

Secret Sorting Order

You will be given a list of words which were sorted based on some unknown ordering among the letters...

Sticking Pins

You are sticking pins on a 2D board at N given coordinates. However, since you are not very good at ...

Sum Game

Rakib loves to play with words and numbers. Currently He invented a game where he wrote down some wo...

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