Fast Co-Prime Two numbers A and B are called co-prime if the only common positive factor of the two numbers is 1. ... |

Beauty of AP Solving problems is fun in competitive programming, right? So let’s solve a fun task today too :P. 1... |

Christmas Gifts It's Christmas time! It's the time when Santa brings gift for the children. This year Santa has $K$ ... |

Tom Is a Good Mentor Today is the first day of the little mouse Jerry at school. Famous mathematician Tom is his teacher.... |

LCM Divisible Subsequence You’ll be given an array of $N$ integers and two more integers $K$ and $M$. You have to find the num... |

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