摘要: 题面(权限题就不放题面了) 题解 三元环模板题,按题意模拟即可。 cpp include include include using std::vector; const int N = 1e5 + 10, M = 2.5e5 + 10; int n, m, a[N], deg[N], u[M], 阅读全文
posted @ 2018-12-15 11:06 water_mi 阅读(251) 评论(0) 推荐(0) 编辑