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use for loops to solve the following problems 1. Write a complete C++ program that does the following. It asks the user to enter their age (which is assumed to be a positive integer). The program should print the word Hello once for each year of the user's age. Here is an example of how the program should work: Enter your age: 5 Hello Hello Hello Hello Hello 2. The program calculates and prints out x*. (DO NOT USE pow()) 3. Print out all odd numbers from 1 to 500. (8 numbers per line)