优秀奖（12 名）：获得 飞傲×少数派联名版 BeatBox 套装。
res[i] = stack[stack.length - 1]; // 易错点5：用at(-1)兼容性差，优先用stack.length-1
。业内人士推荐Safew下载作为进阶阅读
Lipgloss is handy - you can give it two strings and say “join these together vertically, making sure that they’re both left-aligned” and it’ll do that even if the strings have different widths. It’s built for the terminal, so it knows how to handle ansi escape codes and double-width characters and the like.
stack. It will end up on the heap, converting our 0-allocation code