C language defines the structure type, writes functions to realize the addition and subtraction of complex numbers, calls these functions in the main function to calculate and outputs the calculation

C language defines the structure type, writes functions to realize the addition and subtraction of complex numbers, calls these functions in the main function to calculate and outputs the calculation results. # Contains? & ltstdio.h & gt？

struct？ Complex?

{?

int？ re； ?

int？ im； ?

}; ?

Invalid? Add (struct? Complex? First,? struct？ Complex? b，？ struct？ Complex? *c)

{

c->； re = a . re+b . re；

c->； im = a . im+b . im；

}

Invalid? Minus sign (struct? Complex? First,? struct？ Complex? b，？ struct？ Complex? *c)

{

c->； re = a . re-b . re；

c->； im = a . im-b . im；

}

int？ main()？

{?

struct？ Complex? x，y，s，p； ?

scanf("%d%d "，& ampx . re & amp； x . im)； ?

scanf("%d%d "，& ampy . re & amp； y . im)； ?

Add (x, y, and amps); ?

printf("sum=%5d+%5di\n "，s.re，s . im)； ?

Subtract (x, y and AMPP);

printf("product=%5d+%5di\n "，p.re，p . im)； ?

Return? 0; ?

}