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CowsTime Limit:3000MSMemory Limit:65536KTotal Submissions:9618Accepted:3153DescriptionFarmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dimensional number line) in his field is particularly good.Farmer John has N cows (we numbe 阅读全文
posted @ 2013-04-24 11:25
Jack Ge
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JapanTime Limit:1000MSMemory Limit:65536KTotal Submissions:16682Accepted:4467DescriptionJapan plans to welcome the ACM ICPC World Finals and a lot of roads must be built for the venue. Japan is tall island with N cities on the East coast and M cities on the West coast (M <= 1000, N <= 1000). K 阅读全文
posted @ 2013-04-24 09:37
Jack Ge
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Buy TicketsTime Limit:4000MSMemory Limit:65536KTotal Submissions:9712Accepted:4679DescriptionRailway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue…The Lunar New Year was approaching, but unluckily the Little Cat still had schedules go 阅读全文
posted @ 2013-04-24 09:20
Jack Ge
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PictureTime Limit:2000MSMemory Limit:10000KTotal Submissions:9024Accepted:4762DescriptionA number of rectangular posters, photographs and other pictures of the same shape are pasted on a wall. Their sides are all vertical or horizontal. Each rectangle can be partially or totally covered by the other 阅读全文
posted @ 2013-04-24 09:03
Jack Ge
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AtlantisTime Limit:1000MSMemory Limit:10000KTotal Submissions:13873Accepted:5339DescriptionThere are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of parts of the island. But unfortunately, these maps describe different reg 阅读全文
posted @ 2013-04-24 08:35
Jack Ge
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Mobile phonesTime Limit:5000MSMemory Limit:65536KTotal Submissions:12238Accepted:5617DescriptionSuppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The squares form an S * S matrix with the rows and columns numbered 阅读全文
posted @ 2013-04-24 07:31
Jack Ge
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