摘要: 高级树状数组讲解:https://www.cnblogs.com/RabbitHu/p/BIT.html 树状数组 一维树状数组 单点修改,区间查询 https://loj.ac/problem/130 #include<bits/stdc++.h> #define INF 0x3f3f3f3f # 阅读全文
posted @ 2020-07-20 19:28 waryan 阅读(138) 评论(0) 推荐(0)