Magician's Offer!

Rosi Vidmun is a greedy landlord who likes to grab as much land as he can. Currently he has PPP squa...

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...

Counting Murgis

Ever since that wicked thief took away some of her murgis (hens, that is), Meena was ever anxious th...

Secret Meeting

The world is terrified by Pandas! After a miraculous chemical explosion, they became smarter; and ev...

Bad Cook

Mr. Meme has recently moved to a foreign country named "Gloryland" for study purpose. Ther...

K-th DuoPalindrome

Alice likes playing with Palindromes (strings that read the same backward as forward, such as 'madam...

Bad Neighbors 2

As some of you already know, Nocu City has a history of having bad neighbors. These bad ones, take a...

Mina and Raju

Everyone know about Mina & Raju. They are siblings as well as good friend. The friend-circle of ...

Mr. Ant and His Problem

Mr. Ant has 3 boxes and the infinite number of marbles. Now he wants to know the number of ways he c...

Kitchen Combinatorics

The world-renowned Swedish Chef is planning a gourmet three-course dinner for some muppets: a starte...

Bad Neighbors

In the strange neighborhood of Nocu, a lot of people lives pretty happily, or so they think. Like mo...

Trivial Summation

The problem statement is so small. Give you four integers r, a, b, d. Find the summation of all numb...

Geometry Forever

Fear no more, this is a problem of geometry! When Moyna was little, he had a math teacher named Shuk...

How Many Paths?

You are at the top left corner [position (1,1)(1,1)(1,1)] of a R×CR \times CR×C grid. Your destinati...

Easy Peasy Subset Sum

Little Oishee loves to watch TV. But her mother, who is a math teacher, doesn't like this at all. Sh...

Compute the Combination

Let P = C(N,0) - C(N,1) + C(N,2) - C(N,3) + ... + C(N,N); where C(n,r) is "n choose r". Yo...

Level Up

You are playing a game that has 16 levels. You start with level 1 and after gaining a certain amount...

Subset of Sequences

You will be given a set of sequences. Each sequence is a list of numbers. Two sequences are K-simila...

String in a Grid 2

Prof. Bari loves to play with string. He is also very skilled in drawing. One day he was drawing a g...

Third Dimension

Mr. J wants to learn about combinatorics. He started reading a book on combinatorics and came across...

Meeting Place

There is an N*N grid where (r,c) denotes a cell number where r means row number, c means column numb...

Harry Potter and the Vault of Gringotts

"There was a break-in of Gringotts Wizarding Bank on 1 May, 1998, during the height of the Seco...

Counting is Difficult 2

East West University Computer Programming Club (EWUCoPC) is arranging an Intra-University Programmin...

String Play

Milo has a string S of length L. Tutu picks a random prefix and Mota picks a random suffix of S. Now...

Obligatory IDPC Problem

There are n people busy with arranging the upcoming Inter Department Programming Contest (IDPC) 2016...

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