摘要: #include <bits/stdc++.h> using namespace std; #define ll long long const int maxn=1e6+7; const int mod=998244353; const int INF=0x3f3f3f3f; /* BSGS算法 阅读全文
posted @ 2020-07-30 13:42 齐芒 阅读(92) 评论(0) 推荐(0)