Arrays and Strings MCQs

Size of the array need not be specified, when

Consider the following type definition.

typedef char x[10];
x myArray[5];

What will sizeof(myArray) be ? (Assume one character occupies 1 byte)

What will be printed after execution of the following code?

void main()
{
      int arr[10] = {1,2,3,4,5};
      printf("%d", arr[5]);
}

What will be the output of the following program?

void main()
{
      char str1[] = "abcd";
      char str2[] = "abcd";
      if(str1==str2)
            printf("Equal");
      else
            printf("Unequal");
}

What will be the output of the following code?

void main()
{
      int a[10];
      printf("%d %d", a[-1], a[12]);
}

What does the following declaration mean? int (*ptr)[10];

Array passed as an argument to a function is interpreted as

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?

#include<stdio.h>
void main()
{
    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0};
    printf("%u, %u", a+1, &a+1);
}

What will be the output of the program?

#include<stdio.h>
int main()
{
    int arr[1] = {10};
    printf("%d", 0[arr]);
    return 0;
}