Create bulb-switcher-iv.py

Author: kamyu104

Python/bulb-switcher-iv.py

@@ -0,0 +1,16 @@
+# Time:  O(n)
+# Space: O(1)
+
+class Solution(object):
+    def minFlips(self, target):
+        """
+        :type target: str
+        :rtype: int
+        """
+        result, curr = 0, '0'
+        for c in target:
+            if c == curr:
+                continue
+            curr = c
+            result += 1
+        return result