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USACO 2018 January Contest, Platinum Problem 3. Sprinklers 2018年1月USACO美国计算机奥赛白金级题3 Farmer John has a large field, and he is thinking of planting sweet corn in some part of it. After s...
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USACO 2018 January Contest, Platinum Problem 1. Lifeguards 2018年1月USACO美国计算机奥赛白金级题1 Farmer John has opened a swimming pool for his cows, figuring it will help them relax and produce mo...
2018年1月USACO美国计算机奥赛白金级题2
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