number of 1 bits solution

Author: yuseok89

number-of-1-bits/yuseok89.py

@@ -0,0 +1,13 @@
+# TC: O(logN)
+# SC: O(1)
+class Solution:
+    def hammingWeight(self, n: int) -> int:
+
+        cnt = 0
+
+        while n > 0:
+            cnt = cnt + (n % 2)
+            n //= 2
+
+        return cnt
+