LAB 3

#include <iostream>
#include <conio.h>
using namespace std;
int sumdiagonal(int arr[3][3])

{
int sum=0;
for (int i=0; i<3;i++)
{
for (int j=0; j<3;j++)
{
if(i+j==2)
{
sum= sum+(arr[i][j]*arr[i][j]);
}
}
}

return sum;
}

int main()

{

int x[3][3];

for(int i=0;i<3;i++)
{
for (int j=0;j<3;j++)
{
cout<<"Element at x[" << i << "][" <<j<< "]: ";
//user input
cin>>x[i][j];
}
}

int sum=sumdiagonal(x);

cout << "All element are:"<< endl;
for (int i=0; i<3;i++)
{
for (int j=0; j<3;j++)
{
cout << x[i][j]<<"\t";

}
cout <<endl;

}
cout <<"sum of square all major diagonal elements is"<<sum<< endl;

return 0;

}