The program in C++ to Count Even number of elements in given array is given below:
#include <iostream>
using namespace std;
int main() {
int n;
int even_count = 0;
// Input the number of elements in the array
cout <<"Hello Codeauri Family, enter the number of elements in the array:\n";
cin >>n;
int arr[n];
// Input the elements of the array
cout << "Enter the elements of the array: ";
for (int i = 0; i < n; i++) {
cin >> arr[i];
}
// Count the number of even elements
for (int i = 0; i < n; i++) {
if (arr[i] % 2 == 0) {
even_count++;
}
}
// Output the number of even elements
cout << "Well, the number of even elements are: " << even_count << endl;
return 0;
}
Output:
Hello Codeauri Family, enter the number of elements in the array:
5
Enter the elements of the array: 10
9
8
0
1
Well, the number of even elements are: 3
Pro-Tips💡
This program prompts the user to enter the number of elements in an array of integers, then prompts the user to enter each element.
The program then uses a for loop to iterate through the array and check each element if it is an even number, if yes it increases a counter variable named “even_count”.
Finally, the program output the number of even elements in the array to the console.
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