Unique Relief
Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h...
Tom Is a Good Mentor
Today is the first day of the little mouse Jerry at school. Famous mathematician Tom is his teacher....
Modulo
Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ...
The Easiest Problem
Tareq Abrar is a lazy programmer. He has a friend named Aminvai, who is famous for his amazing skill...
Prime Factors
Given an integer N, can you determine its prime factors?
Powerful Number
Efa loves numbers. She thinks a number is powerful if it can be expressed in the form xy where x and...
Help Chokro
Pias and Chokro are good friends. Pias's birthday is coming soon. So, Chokro wants to gift Pias an a...
Magician's Offer!
Rosi Vidmun is a greedy landlord who likes to grab as much land as he can. Currently he has P square...
Phi Numbers in Range!
In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ...
Admission Gift
During admission exams in the city of RR (Royal Royal city), the students of RR University of Engine...
The Story of Two Friends
There are two friends F1 and F2 in a city. They both are student of FCB High School. Also, they resi...
Is It a Perfect Square?
Given some numbers, can you tell, if the product of these numbers are a perfect square or not? A num...
The Game Is Back On
Moriarty is bored again. When he gets bored, the only thing he wants to do is play with Sherlock. So...
Arrange the Bricks!
You have $N$ bricks two dimensional bricks of the dimension $1 \times 2$. The bricks are rotatable i...
ACT 1: Ash Counting Trees
Ash Ketchum has a weird rooted tree (read Notes sections if you don't know about tree data structure...
Mystery of Fibonacci
Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-...
Chowdhury Saheb & the Numbers
You like short description of problems? Me too! Let's go to an easy problem. You are given an array ...
How Many Pairs of LCM?
A Common Multiple of two integers a and b is an integer X, such that both a and b divides X. A numbe...
Welcome to Criterion Rounds
The team congratulates you for participating in this contest and for being part of the journey towar...
Magic Number Count
Magic number is an integer number, which is only divisible by itself and total number of divisor wil...
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 ...
Meera and Solo Chocolates
Meera bought candies from the store. She is now going to distribute those among her N friends. She m...
I Am Good
I am trying to become a good guy, because it doesn't take money to become good. So here's a short an...
GCD, Divisor, Count!
I like short statements and you should too so here's the statement without further ado You are give...
LCM
Given an integer $L$, you have to find the product of two different integers such that their LCM (Le...
Day-Month-Year
Meena is a talented girl in her class. She likes to brainstorm in her leisure times. One day, she wa...
M-Sequence
A sequence is called M-sequence if after removing zero or more elements from the sequence the GCD of...
Solve This Giveaway Problem First
This problem is straightforward and easy. You will be given two integers N, P and a list L of positi...
Oishi Teacher and Her Naughty Class
Oishi teacher has returned to her class after the tiffin break. She noticed that some students who r...
Is Bita Happy?
Bita has learned bitwise-operations recently. She is doing some experiments with these operations no...
Distribution of Relief
"Please follow all instructions provided by your local health authorities." Due to Coronovirus epide...
Perfect Points
Perfect lines are the lines y=mx+c such that m and c are positive integers. Perfect points are the p...
Help Lazy Tareq
There is a boy named Tareq Abrar who is very lazy. He likes sleeping. He also likes eating. His moth...
Oh Functions
Let’s define functions f and g as: f(x) = 2 * ( f(x-1) + g(x-1) - 1 ) * ( f(x-1) + g(x-1) - 3 ) + 12...
GCD and Sum
Congratulations! You’ve been hired in “Buggy Software Ltd.” And you’ve been already given your first...
Paltu, a Prime Lover
Note that the memory limit is unusual. Paltu is a good programmer and he loves prime numbers. One da...
NAC-SAC Game! (Hard. Well, Not Really. 😛)
Remember the game played by Akash and Guru on the NAC-SAC bridge? (For those cannot remember, Akash ...
Birthday Gift for SJ
Today is your best friend SJ’s birthday. You want to buy a birthday present for her. You want to buy...
Kotlin Heroes
The International Collegiate Programming Contest is an algorithmic programming contest for college s...
No Onion, No Cry
-Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I...
Choice Is Yours
For not participating on contests regularly, Hasnaine (read Has9) has decided to kill Santo. But nob...
Poltu and Digit Product
You are given two integer L and R. You have to find the summation of digit product of all number fro...
Hange and Her Gear
Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ...
Poltu and Trailing Zero
Poltu gives a problem to his friend Boltu. The description is given below: You are given an integer ...
Omae Wa Mou Shindeiru
Itachi and Sasuke are trying to beat Kabuto, the caster of an awesome magical spell (or you can say ...
Game Show
Alex is participating in a game show. Mr. Phil is the host of the game. Alex is provided with an arr...
Functions of the Hell's Kitchen
The District Attorney(DA) of Hell’s Kitchen has been defined following functions. GCD(n,m): Returns ...
Complex Tashreef
Tashreef finally received the Zuinness Journal of Galactic records recognition for being the most co...
Christmas Tree
Professor Rio has an amazing Christmas tree. Unlike other trees, this Christmas tree has some specia...
Lucky Shirt
Marjokes is a very famous comedy personality in Byteland. He is a poet, a writer, a singer and an ac...
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