Write a function addup that adds up all the numbers

Assignment Help Computer Engineering

Reference no: EM132164440

Using C++

Do not make use of any variables in your answers to this question.

Use recursive functions to cause repetition when needed. All numbers will be ints. No Loops

Part A. Write a function addup(x, y) that adds up all the numbers between x and y (inclusive), and returns their sum as its result.

e.g.

const int a = addup(2, 5);

defines a to be 14 because 2+3+4+5 = 14.

Part B. Write a function addup_arr(R, x, y), where R is an array of ints. It should add up all the numbers from position x to position y in the array, and return their sum as its result.

e.g.

const int b[] = { 7, 3, 1, 6, 14, 2, 9, 5 };

cout << addup_arr(b, 2, 5);

prints 23 because 1+6+14+2 = 23.

Part C. Write another function sum_arr(R, n), where R is an array of ints, and n is the size of that array. It should add up all the numbers in the array and return the result.

e.g.

cout << sum_arr(b, 8)

prints 47 because 7+3+1+6+14+2+9+5 = 47

Part D. Write a function max_arr(R, n), where R and n are as described in part c. It should find the largest number in the array, and return that maximum as its result. Hint - use an extra parameter to remember the biggest number encountered so far.

e.g. max_arr(b, 8) is 14

Reference no: EM132164440

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