Stock Price Target Search

A financial analyst wants to find the earliest day when a stock price meets or exceeds a certain target. Given a list of stock prices for n days, find the index of the earliest day that meets or exceeds the target stock price. If not found, return -1. Input format: - The first line contains an integer n, the number of days. - The second line contains n sorted integers (the stock prices). - The third line contains the target price p. Output format: - Print the index of the earliest day that meets or exceeds p or -1 if not found. Example: Input: 5 10 20 30 40 50 30 Output: 2