测试点3:
输入
100 100
ababaaababbaaaababbababbbaabaaaaabaaaaabaaabbabaabbaaaabbababbaaabbabaaabbbbabbbbaaabbbabbabbabbbbbb
正确答案
6739545
不知道为什么我的答案似乎越界了
by xx37 @ 2023-09-27 13:48:52
解决了,快速幂里的 base 要用 long long。
by xx37 @ 2023-09-27 17:56:50