What is the output of this C code?

#include 
    #define a 10
    int main()
    {
        const int a = 5;
        printf("a = %d\n", a);
    }

To print out a and b given below, which printf() statement would you use?

float a = 3.14;
double b = 3.14;

Can I increase the size of dynamically allocated array?

Which of the following header files must necessarily be included to use dynamic memory allocation functions?

What will be the output of the following C code (run without any command line arguments)?

#include 
    int main(int argc, char *argv[])
    {
        while (argc--)
        printf("%s\n", argv[argc]);
        return 0;
    }

What is argv[0] in command line arguments?

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

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

What will be the output of the following C code?

#include
enum sanfoundry
{
    a=2,b=3.56
};
enum sanfoundry s;
main()
{
    printf("%d%d",a,b);
}

Predict the output of above program. Assume that the size of an integer is 4 bytes and size of character is 1 byte. Also assume that there is no alignment needed.

union test
{
    int x;
    char arr[4];
    int y;
};
 
int main()
{
    union test t;
    t.x = 0;
    t.arr[1] = 'G';
    printf("%s", t.arr);
    return 0;
}

What will be the output of the program?

#include

int main()
{
    int i;
    i = scanf("%d %d", &i, &i);
    printf("%d\n", i);
    return 0;
}

Left shifting an unsigned int or char by 1 is always equivalent to multiplying it by 2.

The unattended interactive information systems such as automatic teller machine or ATM is called as _________

#include 
int main() 
{ 
    char str[] = "GeeksQuiz"; 
    printf("%s %s %s\n", &str[5], &5[str], str+5); 
    printf("%c %c %c\n", *(str+6), str[6], 6[str]); 
    return 0; 
} 

What will be the output of the following C code?

#include 
    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);
    }

What will be the output of the following C code?

#include 
    void foo(int*);
    int main()
    {
        int i = 10;
        foo((&i)++);
    }
    void foo(int *p)
    {
        printf("%d\n", *p);
    }

Assignment statements assigning value to local static variables are executed only once?

What is the value of the below assignment expression
      (x = foo())!= 1 considering foo() returns 2

A compiler is a translating program which

Mnemonic a memory trick is used in which of the following language?

Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?