Finish - Intro to Computer ScienceYouTube↗  IA↗(long shot)
Education  18.6K views 18 likes 0 dislikes   23 Feb 2015
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question 5 is a trickier question about
問題五，一個關於 loop 的難題
loops for each of the loops shown below
對於以下每個 loop
your goal is to determine whether or not
你的目標是決定，無論 n 被指定為任何正整數
the loop always finishes no matter what positive value is initially assigned to
是否 loop 總是會結束
n so for each of the three loops and you can see the loop code shown below your
所以，對於每個 loop，你可以看到下面的 loop 的程式碼
goal is to determine that no matter what value is initially assigned to n whether
你的目標是決定，無論 n 被指定為任何正整數
the loop always finishes that would mean
是否 loop 總是會結束
for any possible value and is
也就是說，對於任何可能的 n 值
initialized as as long as it's a
只要被初始化為任意正整數
positive integer the loop will
loop 最後會結束
eventually finish the second option is that the loop sometimes runs forever
第二個選項是 loop 有時候會永遠執行
that there's some value that could be
如果 n 被指定為某些值
assigned to n that makes the loop run forever
那麼 loop 會永遠執行下去，永不終止
that it never finishes and the third
第三個選項
choice is that it's unknown and that doesn't mean it's unknown to you that
是未知的，並不是說你不知道
means it's unknown to anyone in the
而是表示，對已知宇宙中的每個人都是未知的
known universe whether that loop will always finish for all initial values of N
對於所有 n 的初始值， loop 是否總是會結束是未知的
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