Hoe does the code work

#1

int arr[3][3];
int i, sum=0; i = 0; while(i<3) {
sum += * ( * (arr+i)+(i++)); }
printf(“sum:%d”, sum);

How does this code output the sum of principal diagonal elements of the matrix?
Shouldn’t it be alternate elements?

#2

Hello @aryansin08 what you have not understood in this?

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.