contents/graph: use popleft() instead of pop() in Topological sort queue (#685)

4 months ago · 4b0cc4392f
parent adb77f4e32
commit 4b0cc4392f
1 changed files with 1 additions and 1 deletions
--- a/apps/website/contents/algorithms/graph.md
+++ b/apps/website/contents/algorithms/graph.md
@ -180,7 +180,7 @@ def graph_topo_sort(num_nodes, edges):
        if nodes[node_id]['in'] == 0:
            queue.append(node_id)
    while len(queue):
-        node_id = queue.pop()
+        node_id = queue.popleft()
        for outgoing_id in nodes[node_id]['out']:
            nodes[outgoing_id]['in'] -= 1
            if nodes[outgoing_id]['in'] == 0: