Genius Needs Help
You all know Emrul bhai, right? He is a genius guy. He knows how to add two integer numbers and so d...
Game of Palindromes
In a popular computer game, Game of Palindromes also known as GOP there is a city called Palindesh. ...
Switches
Technology is going ahead very fast. How can we know what will we get in future? One day you met a g...
Explosion
There is a house named Larcana. It is a very weird house. There are exactly N rooms in total and bet...
Elementary Arithmetic
When Shakib was little, his mother used to help him with his studies. Usually, around 7 PM in the ev...
String Factory
Welcome to the string factory where strings are generated in a peculiar manner. You are given a stri...
Is It Perfect
Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f...
Finding Lines
Annabel and Richard like to invent new games and play against each other. One day Annabel has a new ...
Kitchen Combinatorics
The world-renowned Swedish Chef is planning a gourmet three-course dinner for some muppets: a starte...
N-th Prime
In this problem, you will have to print the n-th prime number. The first few prime numbers are given...
Goku's Tree
Recently Goku has discovered a rooted tree graph. Goku’s tree has N nodes, among them node 1 is the ...
Challenging Lover
Greetings to all of you. You must have heard about our star programmer Rafat bhai. One day he went o...
Expected Result
A witch has imprisoned Bob in the 1st room of the Central Witchland Hotel. The hotel is weird. All t...
Birthday Surprise
Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a...
Building the Number
This is a straight-froward problem. You will be given N. You have to find the expected value of buil...
Magic Number
Jack loves to play with numbers. One day, while he was playing with numbers he found something inter...
The Lucky Dice
Ray and Evangeline are playing a game named "The Lucky Dice". In this game, each player tosses up an...
GCD Plus LCM
In this problem you will be given two integers a, b. You have to answer if GCD(a,b)+LCM(a,b)=a+b is ...
Sheldon's Obtuse Triangle
We all know Sheldon Cooper from The Big Bang Theory. Recently he got his Nobel Prize. He likes polyg...
Unique Relief
Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h...
Expected Oddness
Alita found a string of n characters where each character of the string is either '0' or '1'. The Od...
Phi Numbers in Range!
In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ...
Random Graphs
This problem is very easy. There's a graph of $N$ nodes. Each edge $u-v$ ($u >= v ; u = v$ is possib...
A GRE Themed Contest Problem
Sadman and Najkin were solving a GRE math problem, Rejbah another friend of theirs listened to that ...
Earn Your Cupcake
A delicious NxN grid is given to you. All the lattice points of this grid contain a cupcake each exc...
Toph uses cookies. By continuing you agree to our Cookie Policy.