fork download

copy

#include <stdio.h>
void calculate(int *,int *);
void main()
{
    int a,b,*p,*q;
    p=&a;
    q=&b;
    printf("Enter Hight:");
    scanf("%d",&a);
    printf("Enter Width:");
    scanf("%d",&b);
    calculate(*a,*b);
}
void calculate(int *a,int *b)
{
        int ans;
        ans = (1/2)*(*a)*(*b);
        printf("Ans = %d",ans);
}
 

prog.c:3:6: warning: return type of ‘main’ is not ‘int’ [-Wmain]
 void main()
      ^~~~
prog.c: In function ‘main’:
prog.c:12:15: error: invalid type argument of unary ‘*’ (have ‘int’)
     calculate(*a,*b);
               ^~
prog.c:12:18: error: invalid type argument of unary ‘*’ (have ‘int’)
     calculate(*a,*b);
                  ^~
prog.c:5:17: warning: variable ‘q’ set but not used [-Wunused-but-set-variable]
     int a,b,*p,*q;
                 ^
prog.c:5:14: warning: variable ‘p’ set but not used [-Wunused-but-set-variable]
     int a,b,*p,*q;
              ^

Standard output is empty