Answer / yogesh

#include<stdio.h>
#define PI 3.1415
int main()
{
double area,perimeter,radius;
printf("Enter radius of Circle:");
scanf("%lf",$radius);
calculate(&area,&perimeter,radius);
printf("Area of Circle:%lf\nPerimeter of
Circle:%lf",area,perimeter);
}
calculate(double *a,double *p,double r)
{
*a=PI*r*r;
*p=2*PI*r;
}

Answer / chandu

using call by refernce

Answer / shruti

use call by refrance..-> pointers.

Answer / ara

string f()
{
return "a multiple value";
}

:) if this a trick question ...

Answer / vinayakkatkar

using if else statement
for example
int fun()
{
if(cond1)
return var1;
else
return var2;

}

Derive expression for converting RGB color parameters to HSV values

1 Answers  

union u { struct st { int i : 4; int j : 4; int k : 4; int l; }st; int i; }u; main() { u.i = 100; printf("%d, %d, %d",u.i, u.st.i, u.st.l); } a. 4, 4, 0 b. 0, 0, 0 c. 100, 4, 0 d. 40, 4, 0

1 Answers   HCL,

#define a 10 void foo() { #undef a #define a 50 } int main() { printf("%d..",a); foo(); printf("%d..",a); return 0; } explain the answer

1 Answers  

main() { int x=5; for(;x!=0;x--) { printf("x=%d\n", x--); } } a. 5, 4, 3, 2,1 b. 4, 3, 2, 1, 0 c. 5, 3, 1 d. none of the above

2 Answers   HCL,

enum colors {BLACK,BLUE,GREEN} main() { printf("%d..%d..%d",BLACK,BLUE,GREEN); return(1); }

2 Answers  

What is the subtle error in the following code segment? void fun(int n, int arr[]) { int *p=0; int i=0; while(i++<n) p = &arr[i]; *p = 0; }

1 Answers  

write a program to Insert in a sorted list

4 Answers   Microsoft,

Is this code legal? int *ptr; ptr = (int *) 0x400;

1 Answers  

main() { char string[]="Hello World"; display(string); } void display(char *string) { printf("%s",string); }

2 Answers   Wipro,

Who could write how to find a prime number in dynamic array?

1 Answers  

char *someFun() { char *temp = “string constant"; return temp; } int main() { puts(someFun()); }

1 Answers  

#include<stdio.h> void fun(int); int main() { int a; a=3; fun(a); printf("\n"); return 0; } void fun(int i) { if(n>0) { fun(--n); printf("%d",n); fun(--n); } } the answer is 0 1 2 0..someone explain how the code is executed..?

1 Answers   Wipro,