Distinct Dishting You are given an array of N integers. Then there will be Q commands of the following type: Change ... |

Hexo The Tree Planter Hexo has a large field. The field can be modeled as a 1 x N grid. Some parts of the field have trees... |

Mahmud vs. Ridwan (Hard) Mahmud is playing a game with Ridwan. Mahmud is given N cartesian points by Ridwan. Mahmud can conne... |

Problematic Problem Setters A new national level contest will be held next month. So chief judge asked some problem setters to s...
Moderate
22/30/82 |

Rotated Square You are given N 2D points, and some query 2D points. For each query point you need to find the area ... |

Stack Overflow Stack is a basic data structure. Where 3 operations can be done: Push: You can push object to the s... |

The Packaging Box VHL is an international mail service company. Customers can send various packages to different place... |

Version Checker Java Development Kit (JDK) installer for Mac OS X has a bug: Can you spot it? Notice how Java is ch... |

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