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fix linked_list & add gitigonre #3

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Merged
merged 1 commit into from
May 29, 2018
Merged

fix linked_list & add gitigonre #3

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6 changes: 6 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -25,3 +25,9 @@ Session.vim

# mkdocs
site/

# vscode
.vscode/

# pytest
.pytest_cache/
8 changes: 5 additions & 3 deletions docs/03_链表/linked_list.py
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Expand Up @@ -68,12 +68,13 @@ def remove(self, value): # O(n)
"""
prevnode = self.root #
curnode = self.root.next
while curnode.next is not None:
for curnode in self.iter_node():
if curnode.value == value:
prevnode.next = curnode.next
del curnode
self.length -= 1
return
return 1 # 表明删除成功
return -1 # 表明删除失败

def find(self, value): # O(n)
""" 查找一个节点，返回序号，从 0 开始
Expand Down Expand Up @@ -117,7 +118,8 @@ def test_linked_list():
assert ll.find(2) == 2
assert ll.find(3) == -1

ll.remove(0)
assert ll.remove(0) == 1
assert ll.remove(3) == -1
assert len(ll) == 2
assert ll.find(0) == -1

Expand Down