if I have an int with a value and I want to make a command repeat itself that values times?
and is there a command regarding even and uneven numbers?
and does anybody know if it's possible to redefine an expression?
e.g
if at the beginning of my code i defined abc as +
can I redefine it to - at another point in my code?
Last edited by NA84; 11-04-2010 at 03:13 PM.
goto if you must tho' it is best avoided.Originally Posted by NA84
Perhaps you mean the modulo operator.
First define, then undefine, then re-define.
Maybe for that particular purpose, but there are good uses of goto.
Believe me, you're far better to use a loop than anything else.
Goto will work, but it's generally frowned upon and a real pain to debug.
If you are using integer values, test bit 0... 1 is odd, 0 is even.and is there a command regarding even and uneven numbers?
Code:// true if odd bool IsOdd(int Value) { return Value & 1; }If you are just looking to change the sign of the variable you can use x = 0-x; to flip between a positive number and a negative one.and does anybody know if it's possible to redefine an expression?
e.g
if at the beginning of my code i defined abc as +
can I redefine it to - at another point in my code?
If you mean to flip an equation from adding to subtracting... that's self modifying code which, even amongst bad ideas, is a really bad idea. It would make more sense to use some conditional term to decide whether to add or subtract.
A recursive function? Something like this:
Code:#include <stdio.h> void hello( int i ) { if ( i != 0 ) { hello( i - 1 ); } puts( "Hello\n" ); } int main() { hello( 5 ); return 0; }
"I am probably the laziest programmer on the planet, a fact with which anyone who has ever seen my code will agree." - esbo, 11/15/2008
"the internet is a scary place to be thats why i dont use it much." - billet, 03/17/2010
thank you all.
one more question...
if i have a counter and I need to printf one thing when the counter is a prime number and a different thing if it's not a prime no'. Do you have a good idea for that??
Obviously you need some algorythm to decide if a number is prime or not.
I'm thinking you need to try writing this program yourself, then if you run into trouble you can post your code here and we'll take a look at it for you.
