Easy Prime!
There are N numbers in an array. You will have Q queries. In each query, you can make 2 operations. ...
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 ...
Nusrat's Treat
We all know how much Nusrat loves chocolate! She gets a lot of chocolate from her friends and family...
Joker's GCD Test
Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de...
Thought Game
Sadia is one of the nicest persons you will ever meet. In fact, she is one of those persons who like...
Unique Relief
Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h...
Relatively Prime
Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ...
BigNumSum
You will be given two numbers of 40 digits each. You will have to print the summation of these two n...
Arshiya's First Code
Arshiya is just three and she already started programming. She has learned how to write loops. Recen...
Window Seats on a Bus
Karim is traveling by bus. He has the window seat. However, he has to share the window with the pass...
Black or White
Imagine an infinite chess board. The cell on the bottom-left most corner is labelled (0,0). The cell...
Opera & B2G1
“Don’t practice until you get it right. Practice until you can’t get it wrong” Bangladesh is the ho...
Area
In this problem, you will be given a square which has a length of n. Co-ordinates of the square are ...
Magic Square
A little boy Towhid is good at mathematics. He solves a lot of mathematical equation regularly. He i...
Chief Thief
A group of thieves steal only money. Every morning they deposit the money to their leader. The leade...
Calculate the Sum If You Can
This problem deals with the following expression: 1−2+1−2+1−2+1−2+1−2+1−2+1−2+... Given n, you have ...
Chance of Passing the Quiz
Rocky is starting his online quizzes and he has been provided with some passing criteria. The rule o...
Red and Green
Suppose, there is an array of N integers. Each index of the array is either red or green. The first ...
Boltu vs Balti
Boltu and Balti are two friends. Boltu is a great programmer whereas Balti is a newbie programmer. B...
Who Ate the Pizza Slices?
Misty’s life is very dramatic. No matter how careful she is, some interesting and sometimes unfortun...
Level Up
You are playing a game that has 16 levels. You start with level 1 and after gaining a certain amount...
Kinderbijslag
Kinderbijslag (children's allowance) is a social security payment which is distributed to the parent...
Math Very Easy 319/340/596
Sofdor Ali and Histogram
The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ...
Sofdor Ali and the Puzzle of Weights
Sofdor Ali is one of the most famous scientists of Bangladesh. He is also well known for his puzzle ...
Roll the Dice
You have got a 6 sided dice. In a single roll, it may show any integers from 1 to 6. You are going t...
Toph uses cookies. By continuing you agree to our Cookie Policy.