摘要: struct DI { ll n, m, S, T; ll h[N], ne[M], to[M], f[M], idx; void add(ll u, ll v, ll w) { ne[idx] = h[u], to[idx] = v, f[idx] = w, h[u] = idx++; ne[id 阅读全文
posted @ 2021-08-13 14:42 u_yan 阅读(42) 评论(0) 推荐(0) 编辑