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看板Grad-ProbAsk作者you00360842 (handsome chien)時間9年前 (2015/02/09 19:11)推噓13(13推 0噓 23→)留言36則, 13人參與討論串1/3 (看更多)
X1+X2+...+Xn=r
1<=X1<X2<....<Xn<=r
ㄧ開始以為trivial
結果沒等號
算出c(r,n)
可是列幾個例子暴力法卻沒任何規律
求解
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02/09 19:12, , 1F
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02/09 19:14, , 2F
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02/09 19:18, , 3F
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02/09 19:24, , 4F
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02/09 19:24, , 5F
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02/09 19:25, , 6F
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02/09 19:25, , 7F
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02/09 19:28, , 8F
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02/09 19:29, , 9F
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02/09 19:34, , 10F
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02/09 19:56, , 12F
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02/09 19:56, , 13F
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02/09 19:57, , 14F
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02/09 19:57, , 15F
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02/09 19:58, , 16F
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02/09 19:58, , 17F
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02/09 19:58, , 18F
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02/09 20:31, , 20F
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02/09 20:46, , 21F
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02/09 20:48, , 23F
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02/10 04:30, , 30F
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02/10 04:30, , 31F
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02/10 08:39, , 33F
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02/15 09:25, , 35F
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02/15 09:26, 36F
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