题解 | #蛇形矩阵#
蛇形矩阵
https://www.nowcoder.com/practice/649b210ef44446e3b1cd1be6fa4cab5e
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 ((n = await readline())) { let arr = []; let num = 1; // 将第一列的数求出来 for (let i = 0; i <= n - 1; i++) { num += i; arr.push([num]); } // console.log(arr); for (let i = 0; i < arr.length; i++) { let res = arr[i][0]; for (let j = i + 2; j <= n; j++) { arr[i].push(res + j); res += j; } } for(let i = 0; i < arr.length; i++){ console.log(arr[i].join(' ')); } } })();