摘要: 简单倍增 #include <bits/stdc++.h> using namespace std; using ll = long long; int main() { freopen("fountain.in","r",stdin); freopen("fountain.out","w",std 阅读全文
posted @ 2025-09-13 21:20 Dreamers_Seve 阅读(9) 评论(0) 推荐(1)