Write one subroutine for each of following tasks. There should be only one c/c++ file for both subroutines. Make sure you have included the system header file in your code.

2. integer arithmetic:

int a, b, c;

a = 100;

b = a - 20;

c = a * b + 50;

printf("a = %d b = %d c = %d ", a, b, c);

2. integer arithmetic: int a,b,c; a=100; b=a20 c=ab+50 printf(" a=%db=%dc=%d ",a,b,c)