edit 52

fishercoder1534 · fishercoder1534 · commit 62cd2a6699e2 · 2017-06-17T09:19:16.000-07:00
diff --git a/README.md b/README.md
@@ -472,6 +472,7 @@ Your ideas/fixes/algorithms are more than welcome!
 |55|[Jump Game](https://leetcode.com/problems/jump-game/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_55.java)|O(n)|O(1)|Medium| Greedy
 |54|[Spiral Matrix](https://leetcode.com/problems/spiral-matrix/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_54.java)|O(m*n)|O(m*n)|Medium| Array
 |53|[Maximum Subarray](https://leetcode.com/problems/maximum-subarray/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_53.java)|O(n)|O(1)|Easy|
+|52|[N-Queens II](https://leetcode.com/problems/n-queens-ii/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_52.java)|O(?)|O(?)|Hard|
 |51|[N-Queens](https://leetcode.com/problems/n-queens/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_51.java)|O(?)|O(?)|Hard|
 |50|[Pow(x, n)](https://leetcode.com/problems/powx-n/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_50.java)|O(logn)|O(logn)|Medium|
 |49|[Group Anagrams](https://leetcode.com/problems/anagrams/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_49.java)|O(m*logn)|O(m*n)|Medium| HashMap
diff --git a/src/main/java/com/fishercoder/solutions/_52.java b/src/main/java/com/fishercoder/solutions/_52.java
@@ -6,7 +6,7 @@
 /**
  * Created by fishercoder on 2/19/17.
  */
-public class NQueensII {
+public class _52 {
 
     public int totalNQueens(int n) {
         List<List<String>> result = new ArrayList<>();
