Fork自 PaddlePaddle / Paddle
digraph G { rankdir=LR; a [label="4"] b [label="5"] c [label="2"] d [label="0"] e [label="9"] f [label="8"] g [label="1"] h [label="4"] a -> b; b -> c; c -> d; d -> e; e -> f; f -> g; g -> h; }