The first three problems in this exercise assume that the function swap, is defined in C as follows:

What needs to change in the sort function?

a. b. void swap(int *p, int *q) { int temp; temp=*p; *p=*q: *q-temp: } void swap(int *p. int *q) { *p=*p+*q: *q*p-*q; *p=*p-*q;