Explanation of Solution
Program code:
//include the required header files
#include<iostream>
//define the main() method
int main()
{
//declare an integer variable
const int size=3;
//declare an integer array
int arr[size],count=0;
//prompt the array elements
std::cout<<"\nEnter the contents of the array below\n";
//iterate a for loop
for(int i=0;i<size;i++)
//scan for the array values
std::cin>>arr[i];
//print the statement
std::cout<<"\nNOTE:It would not count pairs like (1,1) or (2,2)";
//print the pairs using for loop
std::cout<<"\nThese are the Pairs\n";
for(int i=0;i<size;i++)
{
//int temp=arr[i];
for(int j=0;j<size;j++)
{
//if i and j are equal
if(i==j)
std::cout<<"";
//if i and j are not equal
else
{
//if the condition is true
if(arr[i]*arr[j]%2==0)
{
//print the pairs
;&#...
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Data structures and algorithms in C++