摘要: ```cpp #include //一道线段树题目,还用到了离散化 #define int long long using namespace std; const int M = 998244353, N = 2e5 + 10; struct segmenttree { int l, r, x, 阅读全文
posted @ 2023-07-12 19:15 nyyjshcz 阅读(14) 评论(0) 推荐(0)