JAVA_Jewels and Stones_LeetCode 771 풀이 class Solution { public int numJewelsInStones(String jewels, String stones) { return stones.replaceAll("[^" + jewels + "]", "").length(); } } * 출처 Jewels and Stones - LeetCode Can you solve this real interview question? Jewels and Stones - You're given strings jewels representing the types of stones that are jewels, and stones representing the stones you have. Each character in stones is a type of stone you have. You want to know how many of the stones you ...
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원문링크 : JAVA_Jewels and Stones_LeetCode 771