# [771. Jewels and Stones](https://leetcode.com/problems/jewels-and-stones/) ![](https://i.imgur.com/2A2jyIF.png) ![](https://i.imgur.com/x118B1a.png) int numJewelsInStones(char * jewels, char * stones){ int n=0; for(int i=0;i<strlen(stones);i++) { for(int j=0;j<strlen(jewels);j++) { if(stones[i] == jewels[j]) { n++; } } } return n; }