diff --git a/338-Counting-Bits.py b/338-Counting-Bits.py
new file mode 100644
index 000000000..81e7f3655
--- /dev/null
+++ b/338-Counting-Bits.py
@@ -0,0 +1,10 @@
+class Solution:
+    def countBits(self, n: int) -> List[int]:
+        dp = [0] * (n + 1)
+        offset = 1
+        
+        for i in range(1, n + 1):
+            if offset * 2 == i:
+                offset = i
+            dp[i] = 1 + dp[i - offset]
+        return dp