Noman's Birthday
Today is our friend Noman's birthday. For celebration of his birthday, we have already used n baloon...
Power of Army
Recently Chikanu declared war against Shukanu. To win the battle against Shukanu he wants to form an...
Largest Prime
A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe...
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 ...
Left Prime
Prime numbers are the ones which can only be divided by 1 and the number itself. 2, 3, 5, 7, 11, 13 ...
Meena Has Three Wishes
Definition: We all know how to measure the linear distance between two points A and B. It is measure...
Biswa and Picnic
Biswa’s department is going on a picnic and as usual, he is a member of the organizing committee. Th...
How Many Ways?
Regular problem solvers starts their journey by solving ad hoc and number theory. After getting the ...
Count the Mines
There is a special robot being created by your friend that can detect hidden mines on the ground. Bu...
Treat Time
Labiba ma'am wants to give a treat to her favorite student Nafia. But as she now lives abroad, Labib...
Circle and Square
Meena and Raju are learning about different shapes. Meena's favourite shape is Circle while Raju lik...
Victory Robot
Your school is going to arrange a ceremony to celebrate the upcoming victory day. So the high school...
Simple Operation
Mr. X is a school teacher. He teaches C programming to the students. In every class, he gives some s...
Mount Everest
Mount Everest is known as Sagarmatha in Nepali. The height of Mt Everest is 8,848 meters. Many local...
The Third Problem
This is the third problem of today’s contest. In this problem you will be given a list of numbers. Y...
Moderate 407/424/712
Hello Choto Bondhu!
Let's play a game. I will give you a number n. You will have to tell me n2. Okay, it may seem diffic...
Master Plan
Because of Eid-ul-Fitr, there is a BIG OFFER at your nearest super shop. You have decided to go shop...
Find Prime
A prime number is a positive integer that is divisible only by itself and 1. The first few prime num...
Alice and the Chessboard
It's Sunday afternoon, and Alice is in her room trying to figure out the rules of the game called Ch...
An Obvious Interactive Problem
I pick a number. You guess it. You can guess at most 25 times. For every guess you make, I will tell...
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 ...
Sudden Tour!
Suppose waking up tomorrow morning you heard that there is no corona and your varsity is opened! At ...
Pythagoras Rocks
A Pythagorean triple consists of three positive integers a, b, and c, such that a2+b2=c2. The Pythag...
Correct the Sieve
Sieve of Eratosthenes is a fast algorithm for finding prime numbers in larger ranges. According to W...
Dengue
Once upon a time there was a king. He had a huge kingdom and the king was very kind. All of his subj...
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