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Merge pull request #50 from z123/fix-node-state

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Fix issues with node state
This commit is contained in:
Donne Martin 2016-06-04 14:08:46 -04:00
commit dd44bda6e8
3 changed files with 8 additions and 8 deletions
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6
graphs_trees/graph_bfs/bfs_solution.ipynb
View File

@ -116,14 +116,14 @@
" return\n",
" queue = deque()\n",
" queue.append(root)\n",
" root.visited = True\n",
" root.visit_state = State.visited\n",
" while queue:\n",
" node = queue.popleft()\n",
" visit_func(node)\n",
" for adjacent_node in node.adjacent:\n",
" if not adjacent_node.visited:\n",
" if adjacent_node.visit_state == State.unvisited:\n",
" queue.append(adjacent_node)\n",
" adjacent_node.visited = True"
" adjacent_node.visit_state = State.visited"
]
},
{

4
graphs_trees/graph_dfs/dfs_solution.ipynb
View File

@ -110,9 +110,9 @@
" if root is None:\n",
" return\n",
" visit_func(root)\n",
" root.visited = True\n",
" root.visit_state = State.visited\n",
" for node in root.adjacent:\n",
" if not node.visited:\n",
" if node.visit_state == State.unvisited:\n",
" dfs(node, visit_func)"
]
},

6
graphs_trees/graph_path_exists/path_exists_solution.ipynb
View File

@ -127,7 +127,7 @@
" return True\n",
" queue = deque()\n",
" queue.append(start)\n",
" start.visited = True\n",
" start.visit_state = State.visited\n",
" while queue:\n",
" node = queue.popleft()\n",
" if node is None:\n",
@ -135,9 +135,9 @@
" if node is end:\n",
" return True\n",
" for adj_node in node.adjacent:\n",
" if not adj_node.visited:\n",
" if adj_node.visit_state == State.unvisited:\n",
" queue.append(adj_node)\n",
" adj_node.visited = True\n",
" adj_node.visit_state = State.visited\n",
" return False"
]
},