对于将蛇形矩阵主要是提前设好四个边界,四个边界不断的缩小,最后缩到矩阵的中心。 const rl = require("readline").createInterface({ input: process.stdin }); var iter = rl[Symbol.asyncIterator](); const readline = async () => (await iter.next()).value; void (async function () { // Write your code here while ((line = await readline())) { le...