A.
Butcher of Vowels ...if I'm to choose between one evil and another, then I prefer not to choose at all. -- Geralt (Th... |
B.
No More Child Labor Child labor is a global crisis. As you are a problem solver, you need to be aware that many children... |
C.
Video Game Pro Shefin is playing a video game. In this game, there will be $N$ buildings in a row. $i^{th}$ buildin... |
D.
Simple And You are given a tree containing $N$ nodes. The nodes are numbered from $1$ to $N$. The root node of ... |
E.
Code Generator Disha has a string $S$. In one second, Disha can choose a subsequence from $S$ that make the word “c... |
F.
Next Permutation A sequence of $N$ distinct integers is called a permutation if all the integers are between $1$ and ... |
G.
Big LCM Let, BLCM(a,b) be the smallest positive integer which is divisible by all integers in range [a,b]. G... |
H.
Interactive GCD This is an interactive problem. Alice and bob are playing a game of Interactive GCD. The game engine... |
I.
The Hidden Island It is believed that the hidden island of TreasureLand has many unsolved mysteries and undiscovered t... |
J.
Arrange the Bricks! You have $N$ bricks two dimensional bricks of the dimension $1 \times 2$. The bricks are rotatable i... |