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...
Yet Another Hello World
The greatest company, Pied Piper, is developing encryption systems. The company has already built Md...
Joker's GCD Test
Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de...
Mr Makor And His Friends
Mr Makor has a set S of n integers. He calls a sequence of length k special if every element of the ...
Composite Facts
Let's define two functions F and S: F(n) = 1 + n! S(n,m) = Sum of first m non-prime integers which ...
The Greedy Mathematician
Once upon a time, there lived a man called Mahi the mathematician. He was banned from his kingdom be...
Divisible LCM
You have a sequence a1​, a2​, a3​, …, an​ of n integers and q queries. In each query, you are given ...
The Cipher
In an ancient civilization, shrouded in the mists of time, there existed a group of mathematicians k...
Largest Prime
A positive integer number n is called a prime number, if it is only divisible by 1 and n itself, whe...
Correct the Sieve
Sieve of Eratosthenes is a fast algorithm for finding prime numbers in larger ranges. According to W...
Left Prime
Prime numbers are the ones which can only be divided by 1 and the number itself. 2, 3, 5, 7, 11, 13 ...
I Did Not Do the Assignment
Professor Petr is very angry over some of his students now-a-days for not doing assignment. He wants...
Zacob the Batsman
It's known that Zacob is a reliable batsman of LU CSE Cricket Team. Also as long as he is on the cre...
Laali Vs Bessie
One day Raju discovered USACO and from that day he would spend all his time solving problems. Laali ...
Meena O Dosto Sele
Dosto sele Dipu and his friends used to disturb Rita Apu everyday on her way to school singing , " র...
Trick or Trees
One day, Raju was out roaming in the woods,when he suddenly stumbled upon a large garden. There were...
Switches
Technology is going ahead very fast. How can we know what will we get in future? One day you met a g...
Kitorp and His Love
Kitorp loves his wife Asiar(who is a problem solver as well) but he loves math more. To get his atte...
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 ...
A Lack of Common Divisors
Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ...
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