Problems by Hasinur_

Archers and the Monster
A monster is trapped in a triangle in a 2D coordinate system. Three archers are waiting to kill him....
Moderate 29/33/54
Code at the Time of Pandemic
The whole world is going through a hard time. Every day thousands of people are dying and many are g...
Easy Math
You will be given three integers a, b, m. Print ( ab ) mod m. There will be 30 test cases at most in...
Easy Parenthesis
Let there be a parenthesis sequence string S. This sequence is not guaranteed to be balanced. Your t...
Moderate 15/29/104
EP-Palindromes
You will be given an array of integers $A$. You have to count the number of $\textbf{subarrays}$ (a ...
Fabby and Her Wedding Dress
You all remember Fabby, the princess of Byteland. People of Byteland are waiting for the biggest cel...
Fabbyfied Triangle
Fabby is the princess of byteland. She is a genius and loves to play with triangles. One day, while ...
Moderate 35/49/93
Heights of the Trees
There are many long trees in a forest. You will be given some relevant information about the trees a...
Moderate 36/50/200
K-Th Root
You will be given Q queries. In each query, you will be given two positive integers A and B. You hav...
List of Strings
Initially you have an empty list D. In this problem you will be asked to execute three types of quer...
Moderate 12/30/96
Meeting Table
Let there be three groups of people waiting to attend a meeting. There are $\textbf N$ people in eac...
Modulo
Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ...
No More Child Labor
Child labor is a global crisis. As you are a problem solver, you need to be aware that many children...
Moderate 24/65/278
No Onion, No Cry
-Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I...
Order of Digits
You will be given a list L consisting of N non-negative integers in a decimal number system. We all ...
Trie Moderate 37/47/254
Penguins of Madagaskar
You all heard about the Penguins of Madagaskar. They work for the penguin kind and loves cuteness. O...
Perhaps Strings Are Inevitable
Strings are inevitable in life. They give meaning to our expressions. Strings come in life in many w...
Moderate 3/4/30
Rectangle or Not
Let’s imagine a quadrant lies on a 2D coordinate system’s first quadrant. you will be given the coor...
Moderate 74/113/267
Save the Forest
Last year, our largest rainforest Amazon suffered the worst wildfire of the decade. The wildfire cau...
Moderate 5/8/22
Solve This Giveaway Problem First
This problem is straightforward and easy. You will be given two integers N, P and a list L of positi...
Subtree MEX
You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no...
Tom Is a Good Mentor
Today is the first day of the little mouse Jerry at school. Famous mathematician Tom is his teacher....
Walk on the Grid
There is a grid of size $R\times C$ where $R = $ Number of rows and $C = $ Number of columns. You sh...
Welcome to Criterion Rounds
The team congratulates you for participating in this contest and for being part of the journey towar...
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