摘要：
Counterfeit DollarTime Limit: 1 SecMemory Limit: 64 MB Submit: 415Solved: 237DescriptionSally Jones has a dozen Voyageur silver dollars. However, only... 阅读全文
posted @ 2015-03-23 16:47
92度的苍蓝
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摘要：
Joseph Time Limit: 1 Sec Memory Limit: 64 MB Submit: 493 Solved: 311 Description The Joseph's problem is notoriously known. For those who are not fami 阅读全文
posted @ 2015-03-23 16:43
92度的苍蓝
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