Solved Bulb switcher. Fixes #135

LeetCode/0319_BulbSwitcher.py

@@ -0,0 +1,7 @@
+# The bulbs that will be turned on in the end will be the ones that are perfect squares.
+# So we just have to find the perfect square less than n; Square root of which will be the answer.
+# Contributed by: Sahil Bairagi
+
+class Solution:
+ def bulbSwitch(self, n: int) -> int:
+ return int(n**(0.5))