题目链接：https://www.luogu.com.cn/problem/P1014
有理数可枚举
In 1873 Cantor proved the rational numbers countable, i.e. they may be placed in one-one correspondence with the natural numbers.
来自...
题目链接：https://www.luogu.com.cn/problem/P1014
有理数可枚举
In 1873 Cantor proved the rational numbers countable, i.e. they may be placed in one-one correspondence with the natural numbers.
来自...
![P1014 [NOIP1999 普及组] Cantor 表](https://www.kunjuke.com/file/css/thumb/4.jpg/280-180.jpg)
![P1014 [NOIP1999 普及组] Cantor 表](https://www.kunjuke.com/file/css/thumb/9.jpg/280-180.jpg)
