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求算法。。。

Posted by sunny_fable at 2007-05-20 14:32:20
钱币兑换问题,钱n <= 10亿
钱的总类有1 , 2 ,5,10,25,50 六种,输入n,确定n有多少种组合。
simple
in:
13
100000000
out:
4
66666793333412666685000001

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