19: Pass by reference: Arrays#3 - Tim Lambert UNSW

[spitball123]

should teach them about const early!

[fum2006]

An aside - to swap ints without using a temp:

a=b-a

b=b-a

a=b+a

[Julien1345]

@fum2006 This works but it is contra intuitive, so i wouldn't use it unless you want to code something that is difficult to understand, or you need to show off OR you really need those 4/8 bytes of memory. But cool trick, Richard Buckland would say it is hackerish ^^.

[ad2181]

*(30:27) "That's C we got to live with it". C is a fools game rethink to D#++ using Pimp OS.

[sspoke]

best explaintion of the use of pointers is definetly the swap idea.

Otherwise I know how to use pointers but no idea when I have to use em.. thanks for this..

still confused with the scanf.. since it returns 1 char why couldnt it work like getchar? bad coding when C programming was being coded? some drunken coder or what

Maybe the scanf supports multiple inputs i havent yet seen.. example of it.