题解 | #蛇形矩阵#

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())) {
        let n = parseInt(line);
        let s = 1;
        for (let i = 0; i < n; i++) {
            let str = ""
            s += i;
            str = str.concat(s);
            let k=i+2;
            let t = s;
            for (let j = 1; j < n-i; j++) {
                t = t+k;
                str = str.concat(" ",t);
                k++;
            }
            console.log(str);  
        }

    }
})();