Create transform-array-by-parity.py

Author: kamyu104

Python/transform-array-by-parity.py

@@ -0,0 +1,19 @@
+# Time:  O(n)
+# Space: O(1)
+
+# array
+class Solution(object):
+    def transformArray(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: List[int]
+        """
+        cnt = 0
+        for x in nums:
+            if x%2:
+                continue
+            nums[cnt] = 0
+            cnt += 1
+        for i in xrange(cnt, len(nums)):
+            nums[i] = 1
+        return nums