Download Jewels and Stones.py
class Solution(object): def numJewelsInStones(self, J, S): """ :type J: str :type S: str :rtype: int """ if len(J) == 0 or len(S) == 0: return 0 j_set = set(J) ans = 0 for c in S: if c in j_set: ans += 1 return ans
Leetcode 771 Jewels and Stones problem solution in python3 with explanation. This is the best place to expand your knowledge and get prepared for your next interview.
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