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转载 (8.5)数论-组合数求模
组合数求模的两种方法: Description Given n different objects, you want to take k of them. How many ways to can do it? For example, say there are 4 items; you want to take 2 of them. So, you can do it 6 ways....
2019-08-05 19:21:30 119
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