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ProblemDiwali is the festival of lights. To celebrate it, people decorate their houses with multi-color lights and burst crackers. Everyone loves Diwali, and so does Pari. Pari is very fond of lights,

ProblemMary likes playing with rubber bands. It’s her birthday today, and you have gone to the rubber band shop to buy her a gift.There are N rubber bands available in the shop. The i-th of these

ProblemCodejamon is a mobile game in which monster trainers walk around in the real world to catch monsters. You have an old smartphone with a short battery life, so you need to choose your path carefu

ProblemCodejamon trainers are actively looking for monsters, but if you are not a trainer, these monsters could be really dangerous for you. You might want to find safe places that do not have any mons

ProblemA and B are the only two candidates competing in a certain election. We know from polls that exactly N voters support A, and exactly M voters support B. We also know that N is greater than M, so