process.stdin.resume(); process.stdin.setEncoding('utf8'); var fs = require('fs'); input = fs.readFileSync('/dev/stdin').toString().split('\n'); let N = input[0][0]; let M = input[0][1]; let seq = new Array(1001); for(let i = 0;i<1001;i++){ seq[i] = new Array(); } for(let i = 1;i<input.length;i++){ for(let j = 1;j<input[i].split(' ').length;j++){ seq[i-1].push(input[i].split(' ')[j]); } } console.log(seq);
6 3 3 1 4 3 4 6 2 5 4 2 2 3
[ [ '1', '4', '3' ], [ '6', '2', '5', '4' ], [ '2', '3' ], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], ... 901 more items ]