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Dining Description Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John h 阅读全文
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uva 10779 Collectors Problem Some candy manufacturers put stickers into candy bar packages. Bob and his friends are collecting these stickers. They al 阅读全文
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Monkey King Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6667 Accepted Submission(s): 2858 Pr 阅读全文
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Play with Chain Time Limit: 6000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7129 Accepted Submission(s): 2831 阅读全文
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Tunnel Warfare Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Pla 阅读全文