摘要: https://www.luogu.com.cn/problem/P2340 #include<cstdio> #include<algorithm> #include<cstring> using namespace std; int dp[800005]; int main() { int n, 阅读全文
posted @ 2021-08-02 23:11 Mint-hexagram 阅读(43) 评论(0) 推荐(0) 编辑