Create minimum-swaps-to-group-all-1s-together.py

Author: kamyu104

Python/minimum-swaps-to-group-all-1s-together.py

@@ -0,0 +1,18 @@
+# Time:  O(n)
+# Space: O(1)
+
+class Solution(object):
+    def minSwaps(self, data):
+        """
+        :type data: List[int]
+        :rtype: int
+        """
+        total_count = sum(data)
+        result, count, left = 0, 0, 0
+        for i in xrange(len(data)):
+            count += data[i]
+            if i-left+1 > total_count: 
+                count -= data[left]
+                left += 1
+            result = max(result, count)
+        return total_count-result