Hasinur_

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

• Moderate
• 266/279 Solutions
• 488 Submissions

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

• Hard
• 44/198 Solutions
• 814 Submissions

You will be given an array of integers AAA. You have to count the number of subarrays\textbf{subarra...

• Hashing
• Moderate
• 30/49 Solutions
• 239 Submissions

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

• Hashing, Trie
• Moderate
• 10/16 Solutions
• 240 Submissions

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

• Moderate
• 33/47 Solutions
• 89 Submissions

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

• Hard
• 34/48 Solutions
• 195 Submissions

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

• GCD, NumberTheory
• Hard
• 117/184 Solutions
• 737 Submissions

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

• Hard
• 10/23 Solutions
• 79 Submissions

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

• Combinatorics
• Hard
• 43/61 Solutions
• 221 Submissions

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

• DataStructure, NumberTheory
• Hard
• 74/107 Solutions
• 439 Submissions

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

• Hard
• 23/63 Solutions
• 274 Submissions

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

• NumberTheory, SegmentTree
• Hard
• 1/3 Solution
• 17 Submissions

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

• DP, DigitDP
• Moderate
• 13/16 Solutions
• 19 Submissions

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

• Hard
• 5/8 Solutions
• 22 Submissions

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

• NumberTheory
• Hard
• 10/16 Solutions
• 54 Submissions

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

• InclusionExclusion, NumberTheory
• Hard
• 18/46 Solutions
• 136 Submissions

There is a grid of size R×CR\times CR×C where R=R = R= Number of rows and C=C = C= Number of columns...

• Combinatorics, Math, TernarySearch
• Hard
• 6/17 Solutions
• 103 Submissions

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

• NumberTheory, SegmentTree
• Moderate
• 76/105 Solutions
• 392 Submissions