Write a C++ program correctly that asks the user to enter two positive integer numbers as the lower bound and upper bound. Then it asks the user to enter a character: - If the entered character is ‘a’, function1 is called. - If the entered character is ‘b’, function2 is called and then the value of result variable is printed. - If the entered character is ‘c’, function3 is called and the returned value of the function3 is printed. - If the user enters any other character, the program prints “invalid input” and terminates. Function 1: This function accepts the upper bound and lower bound numbers as the input arguments and prints out all the numbers in this range (Inclusive) which are multiples of both 7 and 2. Function 2: This function has no return value. It accepts 3 input arguments: the upper bound and lower bound numbers and a variable result (by reference) and calculates the difference between two entere
5) Write a C++ program correctly that asks the user to enter two positive integer numbers as the lower bound and upper bound. Then it asks the user to enter a character:
- If the entered character is ‘a’, function1 is called.
- If the entered character is ‘b’, function2 is called and then the value of result variable is printed.
- If the entered character is ‘c’, function3 is called and the returned value of the function3 is printed.
- If the user enters any other character, the program prints “invalid input” and terminates.
Function 1: This function accepts the upper bound and lower bound numbers as the input arguments and prints out all the numbers in this range (Inclusive) which are multiples of both 7 and 2.
Function 2: This function has no return value. It accepts 3 input arguments: the upper bound and lower bound numbers and a variable result (by reference) and calculates the difference between two entered numbers and save it in the result.
Function 3:
This function returns a variable of type double (sum) and accepts the upper bound and lower bound numbers (lower and upper variables) as input arguments. It calculates the results of following equation and returns the sum variable. (please note that the number of digits after
the decimal point should be set to 3 for the sum value)
sum=1/lower+1/lower+1+1/lower+2+...1/upper
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