Talk:Push–relabel maximum flow algorithm
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I think "Push" :
height(u) = height(v) + 1. Can only send to lower node.
should be changed to
height(u) > height(v). Can only send to lower node.
because height(s) is set to |V| initially.
- . Sum of flow to and from u.
Is it really a sum? I would call it a difference between those if that's not my wrong sense of English.