Write a code fragment using c++ that obtains a positive integer n from the user and displays the sum of the first n numbers in the Fibonacci sequence. If n is not positive, use cout to print out an error message. Put this code fragment in your main()

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Fibonacci’s sequence starts with values 1 and 1. The next value in the sequence is formed by summing the previous two values. Thus the third value is 1+1=2, the fourth is 1+2=3, the fifth is 2+3=5, etc. Thus, the sequence is 1, 1, 2, 3, 5, 8, 13, 21, ….  Write a code fragment using c++ that obtains a positive integer n from the user and displays the sum of the first n numbers in the Fibonacci sequence. If n is not positive, use cout to print out an error message. Put this code fragment in your main() of your project.

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