인프런 커뮤니티 질문&답변

function solution(arr: Array<number>): Array<number> {
  let cacheIdx: number = 0;
  for (let i: number = 0; i < arr.length - 1 - cacheIdx; i++) {
    for (let j: number = 0 + cacheIdx; j < arr.length - 1; j++) {
      if (0 < arr[j]) [arr[j], arr[j + 1]] = [arr[j + 1], arr[j]];
      else cacheIdx++;
    }
  }
  return arr;
}