Jewels and stones

solution/0760.Find Anagram Mappings/Solution.java

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+import java.util.*;
+
+class Solution {
+    public int[] anagramMappings(int[] A, int[] B) {
+        HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();
+        for (int i = 0; i < B.length; i++) {
+            map.put(B[i], i);
+        }
+        int[] res = new int[B.length];
+        int j = 0;
+        for (int k : A) {
+            res[j++] = map.get(k);
+        }
+
+        return res;
+    }
+}

solution/0771.Jewels and Stones/Solution.java

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+class Solution {
+    public int numJewelsInStones(String J, String S) {
+        int res = 0;
+        for (char c : S.toCharArray()) {
+            if (contains(J, c))
+                res++;
+        }
+        return res;
+    }
+
+    public boolean contains(String s, char c) {
+        for (char k : s.toCharArray()) {
+            if (k == c)
+                return true;
+        }
+        return false;
+    }
+}