C++ LintCode: Flip Bits LintCode: Flip Bits 本文转自ZH奶酪博客园博客，原文链接：http://www.cnblogs.com/CheeseZH/p/5006644.html，如需转载请自行联系原作者
![LintCode: Valid Parentheses[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)