UVA13152 Balanced String

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5074 [PDF](https://uva.onlinejudge.org/external/131/p13152.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13152/a53b8dfd46b97daaddf82440c0a55893b0b3a614.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13152/471a5037e9ff5a4c8d163e3991282fbdffb46af8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13152/3a39ae7ce44a76ba054c6c4ad582014faf14b549.png)