﻿ C++ : Calculate the sum of all even and odd numbers in an array

C++ Exercises: Calculate the sum of all even and odd numbers in an array

C++ Basic: Exercise-47 with Solution

Write a C++ program to calculate the sum of all even and odd numbers in an array.

Sample Solution:

C++ Code :

``````#include <iostream> // Including the input-output stream header file

using namespace std; // Using the standard namespace

// Function to separate even and odd numbers and return their sums
int* test(int arr[], int s1) {
static int result[2]; // Static array to store the sum of even and odd numbers
for(int i = 0; i <= s1; i++) // Loop through the array elements
{
// Checking if the current number in the array is even or odd, and updating the sums accordingly
arr[i] % 2 == 0 ? result[0] += arr[i] : result[1] += arr[i];
}
return result; // Returning the array with sums of even and odd numbers
}

int main() // Start of the main function
{
int array1[] = {1, 2, 3, 4, 5, 6, 7, 8}; // Initializing an array
int *eo; // Pointer to hold the result array
int s1 = sizeof(array1) / sizeof(array1[0]); // Calculating the size of the array

// Outputting the original array elements
cout << "Original array: ";
for (int i = 0; i < s1; i++)
cout << array1[i] << " ";

eo = test(array1, s1); // Calling the function to get sums of even and odd numbers

// Outputting the sum of all even and odd numbers
cout << "\nSum of all even and odd numbers: " << *(eo + 0) << "," << *(eo + 1);

return 0; // Return statement indicating successful completion of the program
}
``````

Sample Output:

```Original array: 1 2 3 4 5 6 7 8
Sum of all even and odd numbers: 20,16
```

Flowchart:

C++ Code Editor:

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