01

function solve(input) {
  let n = Number(input[0]);

  let count = 1;
  let flag = false;

  for (let i = 1; i <= n; i++) {
    let output = "";
    for (let j = 0; j < i; j++) {
      output += count + " ";

      if (count === n) {
        flag = true;
        break;
      }

      count++;
    }
    console.log(output);

    if (flag) {
      break;
    }
  }
}