UVA11127 Triple-Free Binary Strings

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2068 [PDF](https://uva.onlinejudge.org/external/111/p11127.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11127/a991c1dcf3e824ea26b47d2b987622d56f07ad7a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11127/18056dc33530650f908e717917f722c1e309fc5a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11127/769872498f1a0a0dba63e0741dc2581398c93932.png)