Help - Program that displays a generated number (1,2,4,8,16,32,etc)

[BloodMoney]

Hi, I'm working on a program that is supposed to use a for loop to generate a number that runs in an increment to display numbers like 1,2,4,8,16,32,64...basically to double the number starting from 1.

Here is how my output should look:

1
2
4
8
16
32
64
128

and so on.

So far all I get when I run the program is either

1
Press any key to continue...

or it shows a one, but sits there for several seconds and does nothing then says "Press any key to continue".

Here's the code:

/* 
	The increment expression in a for loop need not always alter the loop
	control variable by a fixed amount. Instead, the loop control variable
	can change in any arbitrary way. Using this concept, write a program 
	that uses a for loop to generate and display the progression
	1, 2, 4, 8, 16, 32, and so on. 
*/

#include <iostream>
using namespace std;

int main()
{
	int i = 1;
	cout << i << "  " << endl;

	for(i > 0; i*2; i++)
			
	return 0;
}

Any suggestions?

[MrHutch]

Yep, your for loop needs tweaking.

Remember, the syntax for a for loop is for( initialisation; condition; increase ).

You want it to start from 1? Initialise is i = 1.
You want it to go up to 128? Condition is i <= 128.
You want it to double? Increase is i *= 2.

[dcftci]

and you should include the cout function in for loop too. so that each value can be seen on the screen as the loop works

[SamuelAdams]

While your at it, make sure your number is larger than 0 which will do nothing when doubled and smaller than (half the max size , less i), else you run into some other issues.

put your cout after the for statement
remove << " " unless writing to a file, it has no purpose on screen if you use endl.

[vlad from moscow]

I think you need a tutor.:)