GoalScope — dfs_iterative (Qwen2.5-Coder-32B-Instruct) — hover a token to see the patched verbalization
↵ <code>↵ def dfs_iterative(graph, start):↵ """Depth-first search using an explicit stack."""↵ visited = set()↵ stack = [start]↵ ↵ while stack:↵ vertex = stack.pop()↵ if vertex not in visited:↵ visited.add(vertex)↵ stack.extend([neighbor for neighbor in graph[vertex] if neighbor not in visited])↵ ↵ return visited↵ </code>