1. Write a program using a main() function to generate the following output: It adds up numbers until you enter a negative number. Output: Enter a positive number (negative to quit): 12 Total = 12.00 Enter a positive number (negative to quit): 23 Total = 35.00 Enter a positive number (negative to quit): 33 Total = 68.00 Enter a positive number (negative to quit): -1 Total = 68.00