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 row = 1
        for(var i=0;i<line;i++){
            row+=i
            let arr = []
            let col = row
            for(var j=0;j<line-i;j++){
                arr.push(col) 
                col+=j+i+2        
            }

        console.log(arr.join(' '));
        }
    }
}()