Merge pull request #544 from rkkksss/0771

Added 771 Jewels ans Stones

Author: vJechsmayr

LeetCode/0771_Jewels_and_Stones.py

@@ -0,0 +1,8 @@
+class Solution:
+ def numJewelsInStones(self, J: str, S: str) -> int:
+ stones = Counter(S)
+ count = 0
+ for j in J:
+ if stones and j in stones:
+ count += stones[j]
+ return count