Hasinur_

A monster is trapped in a triangle in a 2D coordinate system. Three archers are waiting to kill him....

Moderate 28/32/52

The whole world is going through a hard time. Every day thousands of people are dying and many are g...

Moderate 277/291/506

You will be given three integers a, b, m. Print ( ab ) mod m. There will be 30 test cases at most in...

47/204/831

Let there be a parenthesis sequence string S. This sequence is not guaranteed to be balanced. Your t...

Moderate 14/28/85

You will be given an array of integers $A$. You have to count the number of $\textbf{subarrays}$ (a ...

Hashing Moderate 34/54/266

You all remember Fabby, the princess of Byteland. People of Byteland are waiting for the biggest cel...

Hashing, Trie Moderate 11/18/257

Fabby is the princess of byteland. She is a genius and loves to play with triangles. One day, while ...

Moderate 34/48/90

There are many long trees in a forest. You will be given some relevant information about the trees a...

Moderate 36/50/200

You will be given Q queries. In each query, you will be given two positive integers A and B. You hav...

GCD, NumberTheory Easy 132/218/846

Initially you have an empty list D. In this problem you will be asked to execute three types of quer...

Moderate 12/29/93

Let there be three groups of people waiting to attend a meeting. There are $\textbf N$ people in eac...

Combinatorics Moderate 43/61/221

Let's get straight into the problem. In ths problem, here will be multiple test cases. In each test ...

DataStructure, NumberTheory Moderate 83/124/533

Child labor is a global crisis. As you are a problem solver, you need to be aware that many children...

Moderate 23/63/274

-Onions make us cry, don't they? They can make us happy too. -How? -Read the statement carefully! I...

NumberTheory, SegmentTree Moderate 1/3/17

You all heard about the Penguins of Madagaskar. They work for the penguin kind and loves cuteness. O...

DP, DigitDP 13/16/19

Strings are inevitable in life. They give meaning to our expressions. Strings come in life in many w...

Moderate 3/4/30

Let’s imagine a quadrant lies on a 2D coordinate system’s first quadrant. you will be given the coor...

Moderate 71/109/259

Last year, our largest rainforest Amazon suffered the worst wildfire of the decade. The wildfire cau...

Moderate 5/8/22

This problem is straightforward and easy. You will be given two integers N, P and a list L of positi...

NumberTheory Moderate 11/18/60

You will be given a balanced binary tree of N nodes. Each of the nodes of the tree will contain a no...

SegmentTree, Tree, Trie Moderate 9/15/107

Today is the first day of the little mouse Jerry at school. Famous mathematician Tom is his teacher....

InclusionExclusion, NumberTheory Moderate 19/49/139

There is a grid of size $R\times C$ where $R = $ Number of rows and $C = $ Number of columns. You sh...

Combinatorics, Math, TernarySearch Moderate 6/17/103

The team congratulates you for participating in this contest and for being part of the journey towar...

NumberTheory, SegmentTree Moderate 81/114/406