Cook a Dish

Have you ever cooked something? No? Not a problem! Whenever you ...

XOR Master

Imam has been participating in online programming contests for y...

Compute the Combination

Let P = C(N,0) - C(N,1) + C(N,2) - C(N,3) + … + C(N,N); where C(...

Geometry Forever

Fear no more, this is a problem of geometry! When Moyna was lit...

String in a Grid 2

Prof. Bari loves to play with string. He is also very skilled in...

String Play

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

Third Dimension

Mr. J wants to learn about combinatorics. He started reading a b...

Obligatory IDPC Problem

There are n people busy with arranging the upcoming Inter Depart...

Mr. Ant and His Problem

Mr. Ant has 3 boxes and the infinite number of marbles. Now he w...

Bad Neighbors

In the strange neighborhood of Nocu, a lot of people lives prett...

Meera and Solo Chocolates

Meera bought candies from the store. She is now going to distrib...

How Many Paths?

You are at the top left corner[position (1,1)] of a **R X C ** g...

Bad Neighbors 2

As some of you already know, Nocu City has a history of having b...

Subset of Sequences

You will be given a set of sequences. Each sequence is a list of...

Secret Meeting

The world is terrified by Pandas! After a miraculous chemical ex...

Counting is Difficult 2

East West University Computer Programming Club (EWUCoPC) is arra...

Trivial Summation

The problem statement is so small. Give you four integers r, a, ...

Harry Potter and the Vault of Gringotts

“There was a break-in of Gringotts Wizarding Bank on 1 May, 1998...

K-th DuoPalindrome

Alice likes playing with Palindromes (strings that read the same...

Easy Peasy Subset Sum

Little Oishee loves to watch TV. But her mother, who is a math t...

Counting Murgis

Ever since that wicked thief took away some of her murgis (hens,...

Bad Cook

Mr. Meme has recently moved to a foreign country named “Glorylan...

Irregular Is Tough, Regular Is Easy!

Dr. Bari is working on some chemical formation. He believes that...

Hange and Her Gear

Hange has developed a special gear to attack the Cart Titan. The...