2017年3月13日
Color the Ball(懵逼题）
摘要： Color the Ball Problem Description There are infinite balls in a line (numbered 1 2 3 ....), and initially all of them are paint black. Now Jim use a 阅读全文
posted @ 2017-03-13 15:48 勿忘初心0924 阅读(472) 评论(0) 推荐(0) 编辑