摘要: SegmentTreeMerging #include <iostream> #include <cstdio> using namespace std; template <class T> T read() { T re = 0; char c = getchar(); bool negt = 阅读全文
posted @ 2021-10-23 08:40 追梦人1024 阅读(36) 评论(0) 推荐(0) 编辑