c-debugging

#include<stdio.h>

int main()

{

int a = 5;

printf("%d"+1,a);

return 0;

}

• Compilation error

• Runtime error

• 6

• d

#include<stdio.h>

#define FALSE -1

#define NULL 0

#define TRUE 1

int main(){

if(NULL)

printf("NULL");

else if(FALSE)

printf("TRUE");

else

printf("FALSE");

return 0;

}

• FALSE

• NULL

• TRUE

• COMPILATION ERROR

#include<stdio.h>

int main(){

int i = 0, j = 1, k = 0;

if(++k, j, i++)

printf("%d %d %d", i, j, k);

return 0;

}

• prints nothing

• 1 1 0

• 0 1 0

• COMPILATION ERROR

#include<stdio.h>

int main(){

int i;

if(true)

printf("This will work");

else

printf("This will not work");

return 0;

}

• This will work

• This will not work

• Compilation Error

• Runtime error

#include<stdio.h>

int x = -1;

int main(){

while(x++ == 1)

printf("loop");

return 0;

}

• Prints nothing

• LOOP

• LOOP LOOP

• LOOP LOOP LOOP

#include<stdio.h>

int main(){

int i = 5;

while(--i > 0)

printf("Loop ");

return 0;

}

• Loop Loop Loop Loop

• Loop Loop Loop Loop Loop

• Loop Loop Loop Loop Loop LOOP

• Infinite loop

#include<stdio.h>

#define loop for(;;)

int main()

{

printf("DONE");

loop;

return 0;

}

• Compilation error

• Done

• Program never ends

• None of the above

#include<stdio.h>

int main()

{

int num = 8;

printf ("%d %d", num << 1, num >> 1);

return 0;

}

• 1 7 9

• 2 4 16

• 3 9 7

• 4 16 4

#include<stdio.h>

int main()

{

int i = 5;

int a = ++i + ++i + ++i + ++i;

printf("%d",a);

return 0;

}

• 1 31

• 2 30

• 3 29

• 4 33

#include<stdio.h>

int main(){

int default = 5, a = 3;

if(a > 2)

printf("%d",default);

return 0;

}

• Compilation error

• Runtime error

• 5

• 3