以下哪个代码片段能正确将一个4位正整数n分解为千、百、十、个位数字？

{{ select(1) }}

• int qian = n / 1000;
  int bai = n % 1000 / 100;
  int shi = n % 100 / 10;
  int ge = n % 10;
  

• int qian = n % 10000 / 1000;
  int bai = n % 1000;
  int shi = n % 100;
  int ge = n % 10;