[考題] 程式語言-101鐵路:Realtime－2016徵求年菜推薦網路訂購最紅的商家.年菜訂購?台北年菜外送餐廳推薦(年菜)?年菜.今年不想做年菜推薦,網路宅配哪一家好?

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批踢踢實業坊 Examination 板

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[考題] 程式語言-101鐵路

Apr 24th 2014, 11:19, by TomTung

作者TomTung (Tom)

看板Examination

標題[考題] 程式語言-101鐵路

時間Thu Apr 24 11:19:06 2014

下列 C 語言片斷執行後，何者正確。 int A[3] = {0,0,0}; int x=2; A[x]= x--; 選項： (A) A[1] = 1 (B) A[1] = 2 (C) A[2] = 1 (D) A[2] = 2 解答是(D) 我的想法如下： A[x]= x--; //此行先執行x--，所以x的值2給A[x]。 =右側x的值仍然為2， =左側A[x]的x值已更改為1，因為x--為後置減法。所以A[x] = x-- 應為： A[1] = 2 麻煩懂此題觀念的人指導我。謝謝！ -- ※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.25.53.250 ※ 文章網址: http://www.ptt.cc/bbs/Examination/M.1398309548.A.B05.html

推 qaz5620:A[x]=x-- 會先執行 A[x]=x 在x-- 所以為A[2]=2 04/24 11:22

推 n873192000:誠如樓上所講解 04/24 11:28

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