Temperature Record Analysis

You are given a sorted list of recorded temperatures for a week. Given a target temperature, determine the closest recorded temperature that is less than or equal to the target. If no such temperature exists, return -1. Input Format: - The first line contains an integer N, the number of recorded temperatures. - The second line contains N space-separated integers representing the sorted temperatures. - The third line contains the target temperature. Output Format: - Print the closest temperature that is less than or equal to the target or -1 if none is found. Example: Input: 7 15 16 20 22 25 30 35 21 Output: 20