Update README.md

Author: assassint2017

README.md

@@ -177,7 +177,7 @@
 222. [Count Complete Tree Nodes](https://github.com/assassint2017/leetcode-algorithm/tree/master/Count%20Complete%20Tree%20Nodes)
 234. [Palindrome Linked List](https://github.com/assassint2017/leetcode-algorithm/tree/master/Palindrome%20Linked%20List)
 237. [Delete Node in a Linked List](https://github.com/assassint2017/leetcode-algorithm/tree/master/Delete%20Node%20in%20a%20Linked%20List)
-300. [Longest Increasing Subsequence]()
+300. [Longest Increasing Subsequence](https://github.com/assassint2017/leetcode-algorithm/tree/master/Longest%20Increasing%20Subsequence)
 309. [Best Time to Buy and Sell Stock with Cooldown](https://github.com/assassint2017/leetcode-algorithm/tree/master/Best%20Time%20to%20Buy%20and%20Sell%20Stock%20with%20Cooldown)
 310. [Minimum Height Trees](https://github.com/assassint2017/leetcode-algorithm/tree/master/Minimum%20Height%20Trees)
 392. [Is Subsequence](https://github.com/assassint2017/leetcode-algorithm/tree/master/Is%20Subsequence)