i ++或++ i高效 [英] i++ or ++i efficient

问题描述

HI all，

哪个更有效率i ++或++ i我为什么会这样？

欢呼..

HI all,
Which is more efficient i++ or ++i and why is it??
cheers..

推荐答案

* Radde：

哪个更高效i ++或++ i我为什么会这样？

Which is more efficient i++ or ++i and why is it??

<常见问题解答位于< url：http：//www.parashift.com/c++-faq-lite/>。


-

答：因为它弄乱了人们通常阅读文字的顺序。

问：为什么这么糟糕？

A：Top -posting。

问：usenet和电子邮件中最烦人的是什么？

The FAQ is at <url: http://www.parashift.com/c++-faq-lite/>.

--
A: Because it messes up the order in which people normally read text.
Q: Why is it such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?

Alf P. Steinbach写道：

Alf P. Steinbach wrote:

* Radde：

哪个更高效i ++或++ i我为什么会这样？

Which is more efficient i++ or ++i and why is it??

The FAQ is at <url: http://www.parashift.com/c++-faq-lite/>.

这是您想要的部分：


< url：
http://www.parashift.com/c++-faq-lit...html# faq-13.15

/>

and this is the section you want:

<url:
http://www.parashift.com/c++-faq-lit...html#faq-13.15
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Radde写道：

HI全部，
哪个更高效i ++或++ i我为什么？

HI all,
Which is more efficient i++ or ++i and why is it??

如果你不得不问为什么这个问题，那么你不太了解

语言，需要担心它。


过早优化是所有邪恶的根源。 - 霍尔的法律

If you have to ask the question "why", then you don''t understand the
language enough to need to worry about it.

"Premature optimization is the root of all evil." -- Hoare''s Law

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