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征途 HYSBZ - 4518 Pine开始了从S地到T地的征途。 从S地到T地的路可以划分成n段，相邻两段路的分界点设有休息站。 Pine计划用m天到达T地。除第m天外，每一天晚上Pine都必须在休息站过夜。所以，一段路必须在同一天中走完。 Pine希望每一天走的路长度尽可能相近，所以他希望每一天 阅读全文
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Alyona and flowers CodeForces - 740B Little Alyona is celebrating Happy Birthday! Her mother has an array of n flowers. Each flower has some mood, the 阅读全文
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Squares CodeForces - 263B Vasya has found a piece of paper with a coordinate system written on it. There are ndistinct squares drawn in this coordinat 阅读全文
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Find Marble CodeForces - 285B Petya and Vasya are playing a game. Petya's got n non-transparent glasses, standing in a row. The glasses' positions are 阅读全文