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问题:Alice and Bob are playing a kind of special game on an N*M board (N rows, M columns). At the beginning, there are N*M coins in this board with one ... 阅读全文
posted @ 2015-06-11 16:40
chaoer
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问题:Ignatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadline of handing in the... 阅读全文
posted @ 2015-06-11 16:22
chaoer
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