Problem
Given an array of N integers and a number X, check if X is present in the array using recursion.
Input format
Input
input.txt
- The first line contains an integer N (1 ≤ N ≤ 50) - The second line contains N integers - The third line contains the integer X
Output format
Output
output.txt
- "YES" if X is present, "NO" otherwise
Example
input
4 5 6 7 8 6
output
YES
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Sample cases (from the problem)
Sample Case 1
Input
4 5 6 7 8 6
Expected output
YES
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