Problems by Bishal_G

404 Setter Not Found! 😲
Given a 2D 4-connected 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...
Moderate 80/144/1k
Book Worm
Sheldon is kind of a bookworm, literally. While reading a book, he eats the pages on which he saw so...
Coin Toss
Sanvi is playing with a coin in which number 1 is written on the top side and number 0 is written at...
Moderate 87/106/197
Complex Operations
You are given an array A of length N. You have to perform two different types of operations. In the ...
Concatenation of Perfect Squares
You are given a positive integer number. You have to determine whether this number can be represente...
DFS Moderate 94/125/316
Election in Sylhet City
Sylhet is a very beautiful city in northeastern Bangladesh. Sylhet is one of the most important spir...
Moderate 11/19/70
Fancy Phone Numbers
A phone number is fancy if any one of the following conditions is satisfied: At least 4 consecutiv...
Moderate 103/124/261
Just Solve It
You are given an array A of length N consisting of integer numbers. Your task is to determine the va...
Very Easy 50/82/280
Lucky Stone Game
Alice and Bob are playing a stone game. They consider 4 and 7 as lucky numbers and they like to make...
DP, Game Moderate 28/61/188
Permuted Balanced Bracket Sequence
You are given a bracket sequence of length N and Q queries. In each query, you are given two integer...
Moderate 3/5/13
String Factory
Welcome to the string factory where strings are generated in a peculiar manner. You are given a stri...
Subset Multiplication
In mathematics, especially in set theory, set A is a subset of set B, or equivalently B is a superse...
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