linked list cycle

Author: fishercoder1534

README.md

@@ -87,6 +87,7 @@
 |157|[Read N Characters Given Read4](https://leetcode.com/problems/read-n-characters-given-read4/)|[Solution](../../blob/master/EASY/src/easy/ReadNCharactersGivenRead4.java)| O(n)|O(1) | Easy| 
 |155|[Min Stack](https://leetcode.com/problems/min-stack/)|[Solution](../../blob/master/EASY/src/easy/MinStack.java)| O(1)|O(n) | Easy| Stack
 |151|[Reverse Words in a String](https://leetcode.com/problems/reverse-words-in-a-string/)|[Solution](../../blob/master/MEDIUM/src/medium/ReverseWordsinaString.java)| O(n)|O(n) | Medium|
+|141|[Linked List Cycle](https://leetcode.com/problems/linked-list-cycle/)|[Solution](../../blob/master/EASY/src/easy/LinkedListCycle.java)| O(n)|O(1) | Easy| Linked List
 |140|[Word Break II](https://leetcode.com/problems/word-break-ii/)|[Solution](../../blob/master/HARD/src/hard/WordBreakII.java)| ? |O(n^2) | Hard| Backtracking/DFS
 |139|[Word Break](https://leetcode.com/problems/word-break/)|[Solution](../../blob/master/MEDIUM/src/medium/WordBreak.java)| O(n^2)|O(n) | Medium| DP
 |133|[Clone Graph](https://leetcode.com/problems/clone-graph/)|[Solution](../../blob/master/MEDIUM/src/medium/CloneGraph.java)| O(n)|O(n) | Medium| HashMap, BFS