UVA12494 Distinct Substring

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3938 [PDF](https://uva.onlinejudge.org/external/124/p12494.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12494/5318b3fb564f29927918e2a6fa5dcf54d7adeecd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12494/8d16a7eeca05e626640cc848243c5e7b32579be4.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12494/6781427c6c60a5ec1e03c2440bc935aa9c39bff8.png)