什么是>>>>在C ++中操作 [英] What is >>> operation in C++

问题描述

在此博文< a>作者已建议以下作为错误修复：

In this blog post the author has suggested the following as the bug fix:

 int mid = (low + high) >>> 1;

有没有人知道这是什么>>>运算符？当然它不在以下操作符参考列表：

Does anyone know what is this >>> operator? Certainly its not there on the following operator reference list:

• http://msdn.microsoft.com/en-us/library/x04xhy0h%28v=vs.71%29.aspx


• http：//www.cplusplus。 com / doc / tutorial / operators /

• http://msdn.microsoft.com/en-us/library/x04xhy0h%28v=vs.71%29.aspx
• http://www.cplusplus.com/doc/tutorial/operators/

这是什么，如何解决溢出问题？

What is it and how does that solve the overflow problem?

推荐答案

>>> 不是C ++的一部分。该博客包含Java中的代码。

>>> is not a part of C++. The blog contains code in Java.

查看Java在线教程这里按位移位运算符。它表示

Check out Java online tutorial here on Bitwise shift operators. It says

无符号右移位运算符>>>将零移动到最左边的位置，而 取决于符号扩展。

The unsigned right shift operator ">>>" shifts a zero into the leftmost position, while the leftmost position after ">>" depends on sign extension.

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