摘要: 题意 规定区间$(a,b)$到区间$(c,d)$有边当且仅当$c include using namespace std; const int N = 1e5 + 10; struct node { int op, l, r; } a[N]; int q, n, b[N 2], f[N], L[N] 阅读全文
posted @ 2019-10-21 18:59 hfhongzy 阅读(330) 评论(2) 推荐(0) 编辑