From 9d558664ea932c2e813347d6868ac3b64a122626 Mon Sep 17 00:00:00 2001 From: Gloria Mundi Date: Sat, 15 Feb 2025 17:08:48 +0100 Subject: fix scaling hint in dinitz --- content/graph/dinitzScaling.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'content/graph/dinitzScaling.cpp') diff --git a/content/graph/dinitzScaling.cpp b/content/graph/dinitzScaling.cpp index fd82296..c612924 100644 --- a/content/graph/dinitzScaling.cpp +++ b/content/graph/dinitzScaling.cpp @@ -43,7 +43,8 @@ ll dfs(int v, ll flow) { ll maxFlow(int source, int target) { s = source, t = target; ll flow = 0; - // lim = 1 may be faster if capacities are small + // If capacities are small, may want to disable scaling: + // Run bfs with lim = 1, and dfs with lim = INF. for (ll lim = (1LL << 62); lim >= 1; lim /= 2) { while (bfs(lim)) { pt.assign(ssize(adj), 0); -- cgit v1.2.3