08 2018 档案
发表于 2018-08-03 11:02阅读次数：178评论次数：0
摘要：Masha has recently bought a cleaner robot, it can clean a floor without anybody's assistance. Schematically Masha's room is a rectangle, consisting of
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发表于 2018-08-03 10:29阅读次数：183评论次数：0
摘要：A gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet knows the schedule: when each of the dishes will be s
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发表于 2018-08-03 09:59阅读次数：256评论次数：0
摘要：Welcoming autumn evening is the best for walking along the boulevard and npeople decided to do so. The boulevard can be represented as the axis Ox. Fo
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