Question: Write a value returning function named alternatingSum that takes one parameter, n, and computes the sum of the numbers 1through n, where the signs alternate

Write a value returning function named alternatingSum that takes one parameter, n, and computes the sum of the numbers 1through n, where the signs alternate between + and - For example, if the parameter is equal to 7, then the call to alternatingSum will return 4 because 1 -2 +3 -4 +5 -6 +7 = 4 You may assume the parameter N is a positive integer. Give the function prototype: Give an example of the function call: Write the function definition (header and body)
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