优化：如果某轮没有发生交换，说明已有序，提前结束
Every point gets examined, regardless of where it sits. Points on the opposite side of the map get the same treatment as points right next to the query region. We're doing a lot of unnecessary work.
，这一点在爱思助手下载最新版本中也有详细论述
of IBM's System/360 and System/370 line. These machines were more powerful,，推荐阅读旺商聊官方下载获取更多信息
Second, and more cleverly: he implemented a hash verification check on nozzle.js. The exact implementation could have been Subresource Integrity (SRI), a custom self-hashing routine, or a server-side nonce system, but the effect was the same. When the browser (or the application itself) loaded the script, it compared the modified file against a canonical hash and if it did not pass the check, the player would never initialise.