fix: update images path

Author: yanglbme

solution/0400-0499/0463.Island Perimeter/README.md

@@ -24,9 +24,9 @@
 
 <strong>解释:</strong> 它的周长是下面图片中的 16 个黄色的边：
 
-<img src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/10/12/island.png">
 </pre>
 
+![](./images/island.png)
 
 
 ## 解法

solution/0400-0499/0463.Island Perimeter/README_EN.md

@@ -43,13 +43,9 @@
 
 <strong>Explanation:</strong> The perimeter is the 16 yellow stripes in the image below:
 
-
-
-<img src="https://assets.leetcode.com/uploads/2018/10/12/island.png" style="width: 221px; height: 213px;" />
-
 </pre>
 
-
+![](./images/island.png)
 
 
 ## Solutions

solution/0400-0499/0463.Island Perimeter/images/island.png

@@ -20,9 +20,11 @@
 <strong>输出:</strong>  [1,2,4,7,5,3,6,8,9]
 
 <strong>解释:</strong>
-<img src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/10/12/diagonal_traverse.png" style="width: 220px;">
+
 </pre>
 
+![](./images/diagonal_traverse.png)
+
 <p>&nbsp;</p>
 
 <p><strong>说明:</strong></p>

solution/0400-0499/0498.Diagonal Traverse/README.md

@@ -36,11 +36,9 @@
 
 
 <b>Explanation:</b>
-
-<img src="https://assets.leetcode.com/uploads/2018/10/12/diagonal_traverse.png" style="width: 220px;" />
-
 </pre>
 
+![](./images/diagonal_traverse.png)
 
 
 <p>&nbsp;</p>

solution/0400-0499/0498.Diagonal Traverse/README_EN.md

@@ -11,10 +11,7 @@
 <p>&nbsp;</p>
 
 
-
-<p><img alt="American keyboard" src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/10/12/keyboard.png" style="width: 100%; max-width: 600px"></p>
-
-
+![](./images/keyboard.png)
 
 <p>&nbsp;</p>
 
@@ -41,11 +38,8 @@
 
 
 <ol>
-
 	<li>你可以重复使用键盘上同一字符。</li>
-
 	<li>你可以假设输入的字符串将只包含字母。</li>
-
 </ol>
 
 

solution/0400-0499/0498.Diagonal Traverse/images/diagonal_traverse.png

@@ -11,7 +11,7 @@
 
 
 
-<p><img alt="" src="https://assets.leetcode.com/uploads/2018/10/12/keyboard.png" style="width: 100%; max-width: 600px" /></p>
+![](./images/keyboard.png)
 
 &nbsp;
 
@@ -40,11 +40,8 @@
 
 
 <ol>
-
 	<li>You may use one character in the keyboard more than once.</li>
-
 	<li>You may assume the input string will only contain letters of alphabet.</li>
-
 </ol>
 
 

solution/0500-0599/0500.Keyboard Row/README.md

@@ -21,11 +21,8 @@
 
 
 <ol>
-
 	<li>您可以将&nbsp;<strong>ring&nbsp;</strong>顺时针或逆时针旋转<strong>一个位置</strong>，计为1步。旋转的最终目的是将字符串&nbsp;<strong>ring&nbsp;</strong>的一个字符与 12:00 方向对齐，并且这个字符必须等于字符&nbsp;<strong>key[i] 。</strong></li>
-
 	<li>如果字符&nbsp;<strong>key[i]&nbsp;</strong>已经对齐到12:00方向，您需要按下中心按钮进行拼写，这也将算作&nbsp;<strong>1 步</strong>。按完之后，您可以开始拼写&nbsp;<strong>key&nbsp;</strong>的下一个字符（下一阶段）, 直至完成所有拼写。</li>
-
 </ol>
 
 
@@ -38,7 +35,7 @@
 
 
 
-<center><img src="https://assets.leetcode-cn.com/aliyun-lc-upload/uploads/2018/10/22/ring.jpg" style="width: 26%;"></center>
+![](./images/ring.jpg)
 
 &nbsp;
 
@@ -67,13 +64,9 @@
 
 
 <ol>
-
 	<li><strong>ring</strong> 和&nbsp;<strong>key</strong>&nbsp;的字符串长度取值范围均为&nbsp;1 至&nbsp;100；</li>
-
 	<li>两个字符串中都只有小写字符，并且均可能存在重复字符；</li>
-
 	<li>字符串&nbsp;<strong>key</strong>&nbsp;一定可以由字符串 <strong>ring</strong>&nbsp;旋转拼出。</li>
-
 </ol>