while (right < n - 1 && nums[right + 1] < maxVal) {
this.stack.pop(); // 弹出的索引对应的价格≤当前价格，无保留意义
。关于这个话题，safew官方版本下载提供了深入分析
Жители Санкт-Петербурга устроили «крысогон»17:52
The 386 supports four privilege rings (0 through 3), though in practice nearly all operating systems use just two: ring 0 for the kernel and ring 3 for user programs. Three privilege levels interact on every segment access: CPL (Current Privilege Level), DPL (Descriptor Privilege Level), and RPL (Requested Privilege Level).