2017 年 11月 7 日随笔档案 - 沫米沫

2017年11月7日

摘要： Absent-minded Masha got set of n cubes for her birthday. At each of 6 faces of each cube, there is exactly one digit from 0 to 9. Masha became interes 阅读全文

posted @ 2017-11-07 17:55 沫米沫阅读(345) 评论(0) 推荐(0) 编辑