package code;
/*
 * 771. Jewels and Stones
 * SJ
 * Easy
 * Hash Table
 * 
 * Tips
 */
public class lc771 {
    public int numJewelsInStones(String J, String S) {
        int res=0;
        for(char c : S.toCharArray()){
            if(J.indexOf(c) != -1){
                res++;
            }
        }
        return res;
    }
}