Will the program compile successfully?

#include

int main()
{
    #ifdef NOTE
        int a;
        a=10;
    #else
        int a;
        a=20;
    #endif
    printf("%d\n", a);
    return 0;
}

What is the Error of this program?

#include 
#define CONDITION(x) 
printf("letsfindcourse");                         
int main()
{
  CONDITION(0);
  return 0;
}

What is the output of this program?

#include 
#include  
int main()
{
   int *j = (int*)malloc(4 * sizeof(int));
   *j = 15;
   free(j);
   printf("%d", *j);
   return 0;
}

Queue data structure works on the principle of ____________

What will be the output of the following C code?

#include
main()
{
    typedef int a;
    a b=2, c=8, d;
    d=(b*2)/2+8;
    printf("%d",d);
}

Which of the following keywords is used to define an alternate name for an already existing data type?

What will be the output of the program (sample.c) given below if it is executed from the command line (Turbo C in DOS)?
cmd> sample 1 2 3

/* sample.c */
#include

int main(int argc, char *argv[])
{
    int j;
    j = argv[1] + argv[2] + argv[3];
    printf("%d", j);
    return 0;
}

What will be the output of the program (myprog.c) given below if it is executed from the command line?
cmd> myprog one two three

/* myprog.c */
#include
#include

int main(int argc, char **argv)
{
    printf("%s\n", *++argv);
    return 0;
}

The information about an array used in a program will be sorted in

#include 
 
int main()
{
    unsigned int i = 65000;
    while (i++ != 0);
    printf("%d", i);
    return 0;
}

What will be the output of the program?

#include

int main()
{
    int i;
    i = printf("How r u\n");
    i = printf("%d\n", i);
    printf("%d\n", i);
    return 0;
}

What will be the output of the program?

#include

int main()
{
    int i;
    char c;
    for(i=1; i<=5; i++)
    {
        scanf("%c", &c); /* given input is 'b' */
        ungetc(c, stdout);
        printf("%c", c);
        ungetc(c, stdin);
    }
    return 0;
}

What will be returned in the following C code?

size- t strlen(const char *s)
const char *sc;
for(sc = s; *sc!= ' \ O ' ; ++sc)
return(sc - s) ;

What is the output of this C code?

int main()
{
int i = 10;
int *p = &i;
foo(&p);
printf("%d ", *p);
printf("%d ", *p);
}
void foo(int **const p)
{
int j = 11;
*p = &j;
printf("%d ", **p);
}

Which of the following is the correct syntax to send an array as a parameter to function?

What is the output of this C code?

void main()
    {
        m();
        void m()
        {
            printf("hi");
        }
    }

What is the correct and fully portable way to obtain the most significant byte of an unsigned integer x?

What is the output of this C code?    

void main()
    {
        int x = 0, y = 2, z = 3;
        int a = x & y | z;
        printf("%d", a);
    }

Suppose a program is divided into three files f1, f2 and f3, and a variable is defined in the file f1 but used in files f2 and f3. In such a case would we need the extern declaration for the variables in the files f2 and f3?

What is the output of the following program?

#include

void swap(int m, int n)
{
   int x = m;
   
   m = n;
   n = x;
}
main()
{
   int x=5, y=3;

   swap(x,y);
   printf("%d %d", x, y);
}