### Problems by jackal_1586

#### Alien Neural Network

The great researcher Dr. Bari loves to do research (Obviously!!). He recently discovered a parallel ...

Moderate 5/5/13

#### A New Tough Game

We are introducing a new game in Toph. And, by participating in IUT ICT Fest 2019, you have become o...

#### Broken Chain

Jahid loves Motorbikes. He really wants to have a bike of his own. So he requests his elder brother ...

Moderate 1/1/5

#### Circuit 101

Calculating equivalent resistance is the basic knowledge for solving any circuit related problems. S...

Moderate 16/21/97

#### City of Atlantis

Have you ever heard of The Atlantis City? It’s a Greek mythological city. Its existence doesn’t matt...

Moderate 34/40/112

#### Congruence Problem

Find the number of integer solutions of $x^2 + 4x + 3 ≡ 0$ $(\text{mod }$ $m)$ where \$ 0 \leq x...

Moderate 8/43/106

#### Counting Matrices

Given a natural number N and a prime p, let’s define a special set Zp​={0,1,2,…,p−1}. Now count the ...

#### Crisis in Antartica

Mr X and Y are famous chemists and mathematicians who live in Antartica. You know, it's a cold place...

Moderate 4/6/36

#### Dilu's Library

Dilu is a young boy who loves mathematics. He recently learned how to code. He was interested in sol...

Moderate 43/165/552

#### Faisal and His Playgrounds

Faisal is a famous ice hockey player. He plays his game all across the world. But his favorite groun...

#### Gaaner Koli

The protagonists of this problem are two great programmers of a certain institution Omanush and Ordi...

Moderate 30/42/178

#### Hexagonal Packing

Bees are very hard working insects and they are also very good at geometry. In order to minimize the...

#### Minimizing Sphere

You will be given some points in a 3D co-ordinate system. You have to find the minimum volume of the...

Moderate 12/18/72

#### Monk in the Jungle

The Great Monk Maruf is planning to visit the jungle of Amazon. He loves to prepare himself rigorous...

Moderate 89/144/397

#### Nested Palindromes

You will be given the length of a string N and the size of the character set allowed for the string ...

Very Hard 33/36/86

#### Pakna And His Polygon

Pakna in a wise man. He loves solving problems but always end up with more problems. This is obvious...

#### Partition Magic

The Great Researcher Dr. Bari loves to do research. Once he was doing research on VLSI Circuit Desig...

Moderate 1/3/14

#### Piece of Cake

Diya has got a nice birthday cake for Arshiya and Alayna, her twin daughters. The two sisters were ...

Moderate 236/259/447

#### Revisiting Metro Rail Blocks

The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans...

Moderate 27/50/185

The result of the S.S.C exam is published. And Poltu has got A+. Poltu is very happy for his achieve...

Moderate 22/26/31

#### Simple Pyramid

You are given a pyramid with a polygonal base. Can you calculate the volume and surface area of the ...

Very Hard 28/30/60

#### Sofdor Ali and Histogram

The Great Sofdor Ali is now interested in competitive programming. Seeing this, his friend and also ...

Very Easy 225/252/566

Sofdor Ali is the craziest and clumsiest scientist in Bangladesh. He tries to maintain the safety me...

#### Sofdor Ali and the Puzzle of Weights

Sofdor Ali is one of the most famous scientists of Bangladesh. He is also well known for his puzzle ...

Moderate 72/83/145

#### Sweeper's Dillemma

Minesweeper is a popular single-player puzzle video game from the 60's. It still enjoys the privileg...

Hard 7/7/52

#### The Multiplayer Action Game

Have you played the game Agar.io? According to wikipedia, Agar.io is a massively multiplayer action ...

Moderate 11/15/139

#### Tiles Creator

In the world of tiles, there is a famous tiles maker who takes order for making tiles. The specialty...

Moderate 50/64/294