Alien Neural Network The great researcher Dr. Bari loves to do research. He recently discovered a parallel universe. Now ...
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... |

Bridge Puzzle There's a famous bridge puzzle, where you have four persons, each with a unique time required to cro...
Moderate
5/36/96 |

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... |

Clock Fantasy One day the author imagined an analog clock with minute and hour arms. The thought was simple: if we... |

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... |

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

Fraction and Its Representation Given three integers m,n,b (m<n), let’s consider the representation of m/n in base b. Since m<n, res... |

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

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... |

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

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 ... |

Revisiting Metro Rail Blocks The city of Dhaka is experiencing the construction of metro rails. Imagine one such metro rail spans... |

Shadow Business 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 ...
Hard
29/32/62 |

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

Sofdor Ali and Radioactivity 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 ... |

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 ... |

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 |

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