refactor 152

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_152.java

@@ -1,24 +1,26 @@
 package com.fishercoder.solutions;
 
 /**
- * Find the contiguous subarray within an array (containing at least one number) which has the largest product.
+ * 152. Maximum Product Subarray
+
+ Find the contiguous subarray within an array (containing at least one number) which has the largest product.
 
  For example, given the array [2,3,-2,4],
  the contiguous subarray [2,3] has the largest product = 6.
  */
 public class _152 {
-
+  public static class Solution1 {
     public int maxProduct(int[] nums) {
-        int pos = nums[0];
-        int neg = nums[0];
-        int max = nums[0];
-        for (int i = 1; i < nums.length; i++) {
-            int temp = pos;
-            pos = Math.max(nums[i], nums[i] * ((nums[i] >= 0) ? pos : neg));
-            neg = Math.min(nums[i], nums[i] * ((nums[i] >= 0) ? neg : temp));
-            max = Math.max(max, pos);
-        }
-        return max;
+      int pos = nums[0];
+      int neg = nums[0];
+      int max = nums[0];
+      for (int i = 1; i < nums.length; i++) {
+        int temp = pos;
+        pos = Math.max(nums[i], nums[i] * ((nums[i] >= 0) ? pos : neg));
+        neg = Math.min(nums[i], nums[i] * ((nums[i] >= 0) ? neg : temp));
+        max = Math.max(max, pos);
+      }
+      return max;
     }
-
+  }
 }