10 2015 档案
摘要:Greedy Gift GiversA group of NP (2 ≤ NP ≤ 10) uniquely named friends hasdecided to exchange gifts of money. Each of these friends might ormight not gi...
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摘要:Your Ride Is HereIt is a well-known fact that behind every good comet is a UFO. TheseUFOs often come to collect loyal supporters from here on Earth.Un...
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