Looping - C program

Which loop is faster in C Language, for, while or Do While.?

• for

• while

• do while

• All of the given

Choose correct C while loop syntax.

• while(condition)

  {

  //statements

  }

• {

  //statements

  }while(condition)

• while(condition);

  {

  //statements

  }

• while()

  {

  if(condition)

  {

  //statements

  }

  }

Choose a correct C for loop syntax.

• for(initalization; condition; incrementoperation)

  {

  //statements

  }

• for(declaration; condition; incrementoperation)

  {

  //statements

  }

• for(declaration; incrementoperation; condition)

  {

  //statements

  }

• for(initalization; condition; incrementoperation;)

  {

  //statements

  }

Choose a correct C do while syntax.

• dowhile(condition)

  {

  //statements

  }

• do while(condition)

  {

  //statements

  }

• do

  {

  //statements

  
  

  }while(condition);

• do

  {

  //statements

  
  

  }while(condition)

What is the output of C Program.?

int main()

{

while(true)

{

printf("RABBIT");

break;

}

return 0;

}

• RABBIT

• RABBIT is printed unlimited number of times.

• No output

• Compiler error.

What is the output of C Program.?

int main()

{ int a=5;

while(a=123)

{ printf("RABBIT\n");

break;

}

printf("GREEN");

return 0;

}

• GREEN

• RABBIT

  GREEN

• RABBIT is printed unlimited number of times.

• Compiler error.

What is the output of C Program.?

int main()

{

int a=32;

do

{

printf("%d ", a);

a++;

}while(a <= 30);

return 0;

}

• 32

• 33

• 30

• No Output

What is the output of C Program.?

int main()

{

int k;

for(k=1; k <= 5; k++);

{

printf("%d ", k);

}

return 0;

}

• 1 2 3 4 5

• 1 2 3 4

• 6

• 5

What is the output of C Program.?

int main()

{ int a=14;

while(a<20)

{ ++a;

if(a>=16 && a<=18)

{ continue; }

printf("%d ", a);

}

return 0;

}

• 15 16 17 18 19

• 15 18 19

• 15 16 20

• 15 19 20

What is the output of C Program.?

int main()

{

int a=10, b, c;

b=a++;

c=++a;

printf("%d %d %d", a, b, c);

return 0;

}

• 10 11 12

• 12 10 12

• 12 11 12

• 12 12 12