// 步骤3：遍历排序后的位置，用单调栈判断独立车队
RPL CPL (outer ring)，更多细节参见Line官方版本下载
，详情可参考搜狗输入法下载
Equal (2): Everything in this space must be equal to 2. The answer is 2-6, placed vertically; 2-1, placed horizontally.，这一点在同城约会中也有详细论述
Interactive TUI with fuzzy search and vim keybindings (j/k/g/G, / to search)