1) What is the output of the following code? for ( int i=1; i<4; i++) { cout <<

Question

1)

What is the output of the following code?

for (int i=1; i<4; i++)
{
cout << i << " ";
}

Question 2.

What does the following code print?

  int ctr, x = 5;
  for (ctr = 0; ctr < 3; ctr++)
{
  x = x + ctr;
  cout << x << " ";
}
cout << ctr;

Question 3.

What is the output of the following loop?

  int a = 3, b = 2;
  int c = 0;
  while (c < 3)
{
  a = a + b;
  cout << a << " ";
  c = c + 1;
}
cout << b;

Question 4.

For loop, while loop or do loop

Explanation / Answer

I can explain:

1) prints 1 2 3 on the screen.

2) prints 5 6 8 in for loop and ctr value will be 3

3) prints 5 7 9 and 2

Do while loop executes atleast once even if the condition in while loop is false

Thank you.

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