fix: change relative link to absolute link

Author: maolonglong

solution/0600-0699/0673.Number of Longest Increasing Subsequence/README.md

@@ -31,7 +31,7 @@
 
 <!-- 这里可写通用的实现逻辑 -->
 
-[最长递增子序列](../../0300-0399/0300.Longest%20Increasing%20Subsequence/README.md)的变形题，除了原有的 `dp` 数组之外，另加了 `cnt` 数组记录以 `nums[i]` 结尾的最长子序列的个数
+[最长递增子序列](/solution/0300-0399/0300.Longest%20Increasing%20Subsequence/README.md)的变形题，除了原有的 `dp` 数组之外，另加了 `cnt` 数组记录以 `nums[i]` 结尾的最长子序列的个数
 
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solution/0600-0699/0673.Number of Longest Increasing Subsequence/README_EN.md

@@ -37,7 +37,7 @@
 
 ## Solutions
 
-similar problem: [LIS](../../0300-0399/0300.Longest%20Increasing%20Subsequence/README_EN.md)
+similar problem: [LIS](/solution/0300-0399/0300.Longest%20Increasing%20Subsequence/README_EN.md)
 
 `cnt` array records the number of longest sequence ending in `nums[i]`