[hackerrank solution] Staircase

solution

function main () {
  var n = parseInt(readLine())

  var space = ' '
  var symbol = '#'

  var result = []
  for (var i = 0; i < n; i++) {
    result.push(space.repeat(n - i - 1) + symbol.repeat(i + 1))
  }

  console.log(result.join('\n'))
}