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`@@ -11,10 +11,11 @@ Success is like pregnancy, Everybody congratulates you but nobody knows how many`
`11`	`11`	`## Linked List`
`12`	`12`	`[Overview](http://www.cnblogs.com/Raising-Sun/p/5970662.html#3534606)`
`13`	`13`
`14`		`-## Array`
	`14`	`+## Array Medium`
`15`	`15`	`\| # \| Title \| Solution \| Time \| Space \| Difficulty \| Note\|`
`16`	`16`	`\|-----\|-------\| -------- \| ---- \| ------\|------------\|-----\|`
`17`	`17`	`\|3\| [Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters/#/solutions) \| [Python](./array/3.py) \| _O(n)_\| _O(n)_ \| Medium \| Hash table\|`
	`18`	`+\|463\| [Island Perimeter](https://leetcode.com/problems/island-perimeter/#/description) \| [Python](./array/463.py) \| _O(n^2)_\| _O(1)_ \| Medium \| Google\|`
`18`	`19`
`19`	`20`	`## Linked List Easy`
`20`	`21`	`\| # \| Title \| Solution \| Time \| Space \| Difficulty \|Tag\| Note\|`

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`@@ -0,0 +1,26 @@`
	`1`	`+#!/usr/bin/python`
	`2`	`+# -- coding: utf-8 --`
	`3`	`+`
	`4`	`+# Author: Yu Zhou`
	`5`	`+# 463. Island Perimeter`
	`6`	`+`
	`7`	`+# 将所有的1,也就是所有的格子乘以4,储存在一个res的变量`
	`8`	`+# 检查这个格子的邻居,有则在变量减去2`
	`9`	`+`
	`10`	`+class Solution(object):`
	`11`	`+ def islandPerimeter(self, grid):`
	`12`	`+ """`
	`13`	`+ :type grid: List[List[int]]`
	`14`	`+ :rtype: int`
	`15`	`+ """`
	`16`	`+ res = 0`
	`17`	`+ for i in xrange(len(grid)):`
	`18`	`+ for j in xrange(len(grid[i])):`
	`19`	`+ if grid[i][j] == 1:`
	`20`	`+ res += 4`
	`21`	`+ # Check Neighbor`
	`22`	`+ if i>0 and grid[i-1][j] == 1:`
	`23`	`+ res -= 2`
	`24`	`+ if j>0 and grid[i][j-1] == 1:`
	`25`	`+ res -= 2`
	`26`	`+ return res`

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