463. Jewels and Stones
EasyHash Set
Each character of jewels is a jewel type (case-sensitive). Print how many characters of stones are jewels.
Input format
Line 1: jewels Line 2: stones
Output format
The count.
Example 1
Input
aA aAAbbbb
Output
3
Example 2
Input
z ZZ
Output
0
Constraints
1 ≤ lengths ≤ 50
Read input from standard input and print the answer to standard output. Your code is judged against 3 test cases, most of them hidden.
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