Please explain this answer 😓

Question

https://www.sololearn.com/post/1056795/?ref=app

Answer 1

Each index of array 'p' is a pointer to an element in the first array.

ptr is double pointer = address of the array p's starting index (say x)

ptr++ = address of p+1 = x+1

ptr - p = x + 1 - x = 1

**ptr = *(*ptr)

*(*ptr) = *(*(p+1)) = *(p[1]) = *(a+3) = a[3] = 40

output: 140

Answer 2

Problem set by Gawen steasty always gives wrong ans😅

Edit : I too learnt now only thnks

Answer 3

Again thank you Infinity 😊