一個基礎問題

來源: cardummy 於 2005-12-13 07:44:58 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (281 bytes)

max{1,2,3}=3, max{}=? what number should be the answer if the set of positive numbers is empty? and the same problem
sum{1,2,3}=6, sum{}=? what number should be the answer if the set of positive numbers is empty? At some place sum{}=0. Is it the same for max{}?

Many thx.

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• 回複：一個基礎問題 -碧玉簫- ♂ 給 碧玉簫 發送悄悄話 (8 bytes) () 12/13/2005 postreply 12:59:53

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