sqm

C++

#include <iostream>
using namespace std;
class Solution {
 public:
  int numJewelsInStones(string J, string S) {
    int count = 0;
    for (int i = 0; i < J.size(); i++) {
      for (int j = 0; j < S.size(); j++) {
        if (S[j] == J[i]) count++;
      }
    }
    return count;
  }
};