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Amit-S-Sahu · Oct 23, 2024 · 67b6a4d · 67b6a4d
1 parent 4fe81a7
commit 67b6a4d
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/0771-jewels-and-stones/0771-jewels-and-stones.java b/0771-jewels-and-stones/0771-jewels-and-stones.java
@@ -0,0 +1,15 @@
+class Solution {
+    public int numJewelsInStones(String jewels, String stones) {
+        HashSet<Character> jewel = new HashSet<>();
+        for (Character ch : jewels.toCharArray()) {
+            jewel.add(ch);
+        }
+
+        int ans = 0;
+        for (Character ch : stones.toCharArray()) {
+            if (jewel.contains(ch)) ans++;
+        }
+
+        return ans;
+    }
+}