摘要: * 左左就右旋,右右就左旋 #include<bits/stdc++.h> using namespace std; typedef long long ll; const int maxn = 1e9; const int maxm = 1e5 + 5; const int inf = 21474 阅读全文
posted @ 2021-02-17 20:59 acwarming 阅读(224) 评论(0) 推荐(0) 编辑