Taso owns a very long field. He plans to grow different types of crops in the upcoming growing season. The area, however, is full of crows and Taso fears that they might feed on most of the crops. For this reason, he has decided to place some scarecrows at different locations of the field. The …
Hackerland is a one-dimensional city with houses aligned at integral locations along a road. The Mayor wants to install radio transmitters on the roofs of the city’s houses. Each transmitter has a fixed range meaning it can transmit a signal to all houses within that number of units distance away. Given a map of Hackerland …
Hackerland Radio Transmitters- HackerRank | Solution Read More »
You are given the ages (in years) of all people of a country with at least 1 year of age. You know that no individual in that country lives for 100 or more years. Now, you are given a very simple task of sorting all the ages in ascending order. Input There are multiple test …
Xenia the beginner mathematician is a third year student at elementary school. She is now learning the addition operation. The teacher has written down the sum of multiple numbers. Pupils should calculate the sum. To make the calculation easier, the sum only contains numbers 1, 2 and 3. Still, that isn’t enough for Xenia. She …
At an old railway station, you may still encounter one of the last remaining “train swappers”. A trainswapper is an employee of the railroad, whose sole job it is to rearrange the carriages of trains.Once the carriages are arranged in the optimal order, all the train driver has to do, is drop thecarriages off, one …
Polycarp wants to train before another programming competition. During the first day of his training he should solve exactly 11 problem, during the second day — exactly 22 problems, during the third day — exactly 33 problems, and so on. During the kk-th day he should solve kk problems.
