Substring and subsequence - 题目

内存限制：256 MiB 时间限制：1000 ms 标准输入输出

题目类型：传统评测方式：文本比较

上传者： syzoj

提交提交记录统计测试数据讨论

You are given a long string with only character , and , please find the answer to the following two questions.

The answer could be very large, please modulo by .

The input has only two lines. The first line, a number , the number of character in the string. The second line, string .

Output lines.

The first line, the answer of question .

The second line, the answer of question .

4
abcc

2
3

编辑器加载中 …

或者，上传代码文件

#2. Substring and subsequence