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huxiaoman7huxiaoman7
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revise some wrong link
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‎Array/.K-SUM题解.md.swp‎

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‎README.md‎

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##### Search类题
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| 序号 | 题目 | 难度 | 代码 |
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| ------------ | ------------------------------------------------------------ | ------ | ----------------- |
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| 33 | [Search in Rotated Sorted Array ](https://leetcode.com/problems/wiggle-subsequence/) | Medium | 代码 |
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| 81 | [Search in Rotated Sorted Array II ](https://leetcode.com/problems/sort-colors) | Medium | |
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| 34 | [Find First and Last Position of Element in Sorted Array ](https://leetcode.com/problems/wiggle-sort/) | Medium | python、java、c++ |
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| 35 | [Search Insert Position ](https://leetcode.com/problems/next-permutation) | Easy | python、java、c++ |
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| 74 | [Search a 2D Matrix ](https://leetcode.com/problems/combination-sum) | Medium | python、java、c++ |
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| 79 | [Word Search ](https://leetcode.com/problems/combination-sum-ii) | Medium | python、java、c++ |
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| 33 | [Search in Rotated Sorted Array ](https://leetcode.com/problems/search-in-rotated-sorted-array/) | Medium | python、java、c++ |
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| 81 | [Search in Rotated Sorted Array II ](https://leetcode.com/problems/search-in-rotated-sorted-array-ii/) | Medium | python、java、c++ |
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| 34 | [Find First and Last Position of Element in Sorted Array ](https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/) | Medium | python、java、c++ |
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| 35 | [Search Insert Position ](https://leetcode.com/problems/search-insert-position/) | Easy | python、java、c++ |
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| 74 | [Search a 2D Matrix ](https://leetcode.com/problems/search-a-2d-matrix/) | Medium | python、java、c++ |
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| 79 | [Word Search ](https://leetcode.com/problems/word-search/) | Medium | python、java、c++ |
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| 153 | [Find Minimum in Rotated Sorted Array ](https://leetcode.com/problems/find-minimum-in-rotated-sorted-array) | Medium | python、java、c++ |
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| 154 | [Find Minimum in Rotated Sorted Array II ](https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii) | Hard | python、java、c++ |
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| 39 | [Combination Sum ](https://leetcode.com/problems/largest-rectangle-in-histogram) | Medium | python、java、c++ |
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| 39 | [Combination Sum ](https://leetcode.com/problems/combination-sum/) | Medium | python、java、c++ |
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| 40 | [Combination Sum II ](https://leetcode.com/problems/combination-sum-ii) | Medium | python、java、c++ |
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| 216 | [Combination Sum III ](https://leetcode.com/problems/combination-sum-iii) | Medium | python、java、c++ |
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| 45 | [Jump Game II ](https://leetcode.com/problems/jump-game-ii) | Hard | python、java、c++ |
@@ -175,8 +175,8 @@
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| ------------ | ------------------------------------------------------------ | ------ | ----------------- |
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| 274 | [H-Index](https://leetcode.com/problems/h-index/) | medium | python、java、c++ |
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| 376 | [Wiggle Subsequence](https://leetcode.com/problems/wiggle-subsequence) | medium | python、java、c++ |
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| 277 | [Find the Celebrity ](https://leetcode.com/problems/game-of-life) | medium | python、java、c++ |
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| 370 | [Range Addition ](https://leetcode.com/problems/insert-delete-getrandom-o1-duplicates-allowed) | medium | python、java、c++ |
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| 277 | [Find the Celebrity ](https://leetcode.com/problems/find-the-celebrity/) | medium | python、java、c++ |
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| 370 | [Range Addition ](https://leetcode.com/problems/range-addition/) | medium | python、java、c++ |
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| 296 | [Best Meeting Point](https://leetcode.com/problems/best-meeting-point) | hard | python、java、c++ |
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‎python/133_CloneGraph.py‎

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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @Time : 2019/3/2 11:12 AM
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# @Author : huxiaoman
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# @File : 133_CloneGraph.py
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# @Package : LeetCode
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# @E-mail : charlotte77_hu@sina.com
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# Definition for a undirected graph node
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class UndirectedGraphNode:
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def __init__(self, x):
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self.label = x
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self.neighbors = []
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class Solution:
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# BFS
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def cloneGraph1(self, node):
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if not node:
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return
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# node = UndirectedGraphNode()
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nodeCopy = UndirectedGraphNode(node.label)
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dic = {node: nodeCopy}
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queue = collections.deque([node])
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while queue:
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node = queue.popleft()
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for neighbor in node.neighbors:
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if neighbor not in dic: # neighbor is not visited
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neighborCopy = UndirectedGraphNode(neighbor.label)
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dic[neighbor] = neighborCopy
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dic[node].neighbors.append(neighborCopy)
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queue.append(neighbor)
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else:
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dic[node].neighbors.append(dic[neighbor])
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return nodeCopy
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# DFS iteratively
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def cloneGraph2(self, node):
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if not node:
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return
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nodeCopy = UndirectedGraphNode(node.label)
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dic = {node: nodeCopy}
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stack = [node]
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while stack:
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node = stack.pop()
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for neighbor in node.neighbors:
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if neighbor not in dic:
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neighborCopy = UndirectedGraphNode(neighbor.label)
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dic[neighbor] = neighborCopy
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dic[node].neighbors.append(neighborCopy)
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stack.append(neighbor)
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else:
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dic[node].neighbors.append(dic[neighbor])
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return nodeCopy
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# DFS recursively
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def cloneGraph(self, node):
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if not node:
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return
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nodeCopy = UndirectedGraphNode(node.label)
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dic = {node: nodeCopy}
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self.dfs(node, dic)
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return nodeCopy
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def dfs(self, node, dic):
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for neighbor in node.neighbors:
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if neighbor not in dic:
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neighborCopy = UndirectedGraphNode(neighbor.label)
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dic[neighbor] = neighborCopy
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dic[node].neighbors.append(neighborCopy)
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self.dfs(neighbor, dic)
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else:
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dic[node].neighbors.append(dic[neighbor])
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if __name__ == '__main__':
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s = Solution()
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print s.cloneGraph1({"$id":"1","neighbors":[{"$id":"2","neighbors":[{"$ref":"1"},{"$id":"3","neighbors":[{"$ref":"2"},{"$id":"4","neighbors":[{"$ref":"3"},{"$ref":"1"}],"val":4}],"val":3}],"val":2},{"$ref":"4"}],"val":1})

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