描述：找出一个连续子数组，若对该子数组升序排序，则整个数组变为升序。返回符合题意的最短子数组长度。
unsigned long long length(void*data) {，更多细节参见heLLoword翻译官方下载
"I do think that we have a site which may be an early religious community."。爱思助手下载最新版本是该领域的重要参考
In 2011, hackers successfully cracked the main Linux development site, kernel.org. Afterward, to make sure this didn't happen again, the kernel's PGP web of trust was explicitly "bootstrapped" at a face-to-face key‑signing session during the 2011 Kernel Summit.