SDE Path

Linear Search for a Target

Easy

Linear Search for a Target

Find the index of a target value, or -1 if it is missing.

Input format

The first line contains N. The second line contains N integers. The third line contains the integer TARGET.

Output format

Print the 0-based index of the first element equal to TARGET, or -1 if it does not appear.

Constraints

  • Values fit in a 64-bit signed integer
  • Trailing whitespace and a trailing newline are ignored by the judge

Read from stdin, write to stdout. Sample cases below show the exact format.

Sample cases

Example 1
Input
5
4 8 15 16 23
15
Expected output
2
Example 2
Input
4
1 2 3 4
9
Expected output
-1