2017年4月23日
Brick Wall
摘要： There is a brick wall in front of you. The wall is rectangular and has several rows of bricks. The bricks have the same height but different width. Yo 阅读全文
posted @ 2017-04-23 13:50 amazingzoe 阅读(243) 评论(0) 推荐(0) 编辑