404 Setter Not Found! ðŸ˜²Given a 2D 4connected grid. Each cell contains a value and an identifier. Values can be propagated ... 
A for Apple! B for...?Nowadays, Sanvi is learning the English alphabet. She had already mastered A, B, C and D, but is sti...

Book WormSheldon is kind of a bookworm, literally. While reading a book, he eats the pages on which he saw so...

Coin TossSanvi is playing with a coin in which number 1 is written on the top side and number 0 is written at...

Complex OperationsYou are given an array A of length N. You have to perform two different types of operations. In the... 
Concatenation of Perfect SquaresYou are given a positive integer number. You have to determine whether this number can be represente...

Election in Sylhet CitySylhet is a very beautiful city in northeastern Bangladesh. Sylhet is one of the most important spir...

Fancy Phone NumbersA phone number is Fancy if any one of the following conditions is satisfied: At least 4 consecutiv...

Just Solve ItYou are given an array A of length N consisting of integer numbers. Your task is to determine the va...

Lucky Stone GameAlice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make... 
Permuted Balanced Bracket SequenceYou are given a bracket sequence of length N and Q queries. In each query, you are given two integer...

String FactoryWelcome to the string factory where strings are generated in a peculiar manner. You are given a stri... 
Subset MultiplicationIn mathematics, especially in set theory, set A is a subset of set B, or equivalently B is a superse... 