[理工] [離散] 99台科

作者sroeud7l (Teddy Bear)

看板Grad-ProbAsk

標題[理工] [離散] 99台科

時間Wed Feb 16 20:23:15 2011

6. [6%] How many ways are there to pack eight identical DVDs into five indistinguishable boxes so that each box contains at least one DVD? Explain why the answer you have. 即求S(8,5)是嗎? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 122.125.73.97

推 sealdarkness:沒記錯的話小黃是窮舉 02/16 20:43

→ sealdarkness:1.1.1.1.1 剩下三個分成 3 或者2/1 或者1/1/1 02/16 20:45

→ sroeud7l:請問小黃課本哪裡有類題嗎? 02/16 20:48

推 sealdarkness:99題庫班t3 02/16 20:48

→ sroeud7l:我用上面方法算出來是7000-.- 跟之前鄉民答案495差好多 02/16 20:50

推 sealdarkness:答案就我講的三種是..3 02/16 20:54

→ jameschou:對啊應該就是3呀 DVD跟箱子都相同哪有這麼多種解.. 02/16 20:56

→ sroeud7l:我一直以為是不同DVD 感謝 ... 02/16 20:58

推 annheilong:考英文是吧~"~ (sigh) 02/16 22:29

推 xup6qup3:都一樣就是整數分割 02/16 22:41

→ sneak: 沒記錯的話小黃是窮 https://daxiv.com 09/11 14:16