Ishtiaque and the Rabbit Mr Ishtiaque is in trouble. A few months ago, he bought 2 rabbits. He wanted to have two pet rabbits... |

Switches Technology is going ahead very fast. How can we know what will we get in future? One day you met a g... |

Is It Perfect Bob has an initial array D of length n . Alice is a good friend of Bob. So Bob challenges Alice to f... |

N-th Prime In this problem, you will have to print the $n$-th prime number. The first few prime numbers are giv... |

Challenging Lover Greetings to all of you. You must have heard about our star programmer Rafat bhai. One day he went o... |

Birthday Surprise Adnan bhai, Priyom dada and Shuvo bhai are the members of MU_Kheloars. They recently got graduated a... |

Magic Number Jack loves to play with numbers. One day, while he was playing with numbers he found something inter... |

GCD Plus LCM In this problem you will be given two integers a, b. You have to answer if GCD(a,b)+LCM(a,b)=a+b is ... |

Unique Relief Thanos has now figured out how to visit all the houses in the flood-affected area. However, now he h... |

Phi Numbers in Range! In number theory, Euler’s phi function, denoted as ϕ(n), is an arithmetic function which counts the ... |

A GRE Themed Contest Problem Sadman and Najkin were solving a GRE math problem, Rejbah another friend of theirs listened to that ... |

Relatively Prime Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |

A Lack of Common Divisors Given a positive integer N, determine how many of the integers between 1 and N are co-prime with N. ... |

Life of Phi The Great Khami is learning Number Theory. He is very excited to know that Euler's Totient Function ... |

Exponential Growth You will be given two integers X and N, you have to calculate XN modulo 1000000007. |

Mystery of Fibonacci Fibonacci sequence is a recursive sequence that depends on the following definition: Fib(N) = Fib(N-... |

Life of Phi II You will be given two integers n and m where GCD(n,m)=1. You have to tell that how many numbers are ... |

Tree Business To become economically stable, Saturn has come up with a new kind of business, tree business. At fir... |

Hange and Her Gear Hange has developed a special gear to attack the Cart Titan. The gear is a round, disc-like object. ... |

Omae Wa Mou Shindeiru Itachi and Sasuke are trying to beat Kabuto, the caster of an awesome magical spell (or you can say ... |

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

Day-Month-Year Meena is a talented girl in her class. She likes to brainstorm in her leisure times. One day, she wa... |

Admission Gift During admission exams in the city of RR (Royal Royal city), the students of RR University of Engine... |

Rivalry Friends Ryo and his girlfriend love to think about challenges. One day his girlfriend gave him a challenge t... |

Is Bita Happy? Bita has learned bitwise-operations recently. She is doing some experiments with these operations no... |

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