The Mughal Emperor You all must’ve heard the name of the emperor Humayun Mirza. He was a very kind human being. But thi... |
Circle of Death Abir is a school going boy, who loves math. Also, he loves to play with stones. Recently he invented... |
Building Boundaries Maarja wants to buy a rectangular piece of land and then construct three buildings on that land. The... |
Khataraina is Back! Last year we helped Adnan with his girlfriend Khataraina’s issue. This year she caused another troub... |
Blanket You have a suitcase with length X, width Y and height Z. You also have a very comfortable blanket. I... |
Recursive Function A common example of recursion goes something like this: long long recur(int x){ if (x==0){ return X0... |
Cocoa Coalition Alice and Bob decide to share a chocolate bar, which is an $n$ by $m$ rectangular grid of chocolate ... |
Nodes and Depth From the above figure, the number of nodes for the first three depths are 3, 9, and 27. You will b... |
Arunima City After the big decentralization process, where Dhaka city's population were relocated, a new city cal... |
Arko and Special Permutations Arko is very fond of permutations. He can easily calculate the number of n length permutations. (In ... |
Killing Floor $N (1 \leq N \leq 10^{18})$ robots have decided to take part on a battle royale. Every robot has a u... |
The Lucky Dice Ray and Evangeline are playing a game named "The Lucky Dice". In this game, each player tosses up an... |
Lazy Supermen There are two hills in Sonargaon. The heights of them are H1 and H2 meter. The distance between the ... |
Calendar of Planet Biku Mr. Hikiko is the emperor of a planet called Biku. He got a gift from planet earth which can count t... |
Find the Number of Pearls Today is a very special day. It’s the birthday of only one girlfriend of programmer Shojib. Now, you... |
Maximum Distance You know it’s hard seeing your favorite person being interested in another one instead of you. At th... |
MEXFN This is a straightforward problem without much story behind the problem. You have to calculate MEXF... |
Recursive World! See following the two recursive functions: C(0) = 0 C(1) = 5 C(K) = C(K-1) + 4 F(0) = 1 F(1) = 2 F(N... |
Erik: The Candyboy - 1 Erik has N candies, and he wants to distribute those candies among his friends. But he has more frie... |
Gutibaji on Chessboard Let there be a chessboard of size N×M, and only one bishop in a cell (x,y). How many cells can the b... |
Vox Populi Asfia's daughter just turned 5. She is looking for a school to get her admitted. Like every other pa... |
The Matrix In the metaphysical world of the Matrix, different people make their chessboards with their own spec... |
Learning New Algorithms Every Day Shak is a new programmer and he knows nothing about algorithms. He has made a plan and decided to le... |
Playing With Your Mind Given a non-negative integers N. You have to find an integer P such that, the following conditions s... |
Expected Values From Bubble Sort Bubble sort is a sorting algorithm that can sort an array of numbers in increasing order. In each of... |