[ale] OT: C test

Leonard Thornton leonard at intelis-inc.net
Fri Dec 14 12:53:36 EST 2001


Another fine example of idle hands being the devil's workshop......<grin>.



On Friday 14 December 2001 12:25 pm, you wrote:
> For those who want to see test their C skills, determine what this
> program does.  (Send me email if you do not want to run it on your system.
> It was sent to me by a friend and appears to be harmlessly doing only
> putchar() invocations but I cannot guarantee it.)
>
> Bob
> -------------------------------
> /*
>  *
>  * For those who can't read the following, there's an explanation at:
>  *
>  * http://www.cs.virginia.edu/~mdn4f/xmassong/
>  *
>  *
>  * LEAST LIKELY TO COMPILE SUCCESSFULLY:
>  * Ian Phillipps, Cambridge Consultants Ltd., Cambridge, England
>  *
>  * An appropriate program for December 25th, this consists primarily of
>  * calls to main() combined by a lot of the ternary conditional (?:)
>  * operators. Have you ever seen a more forceful return? The judges note
>  * that this program looked like what you would get by pounding on the
>  * keys of a type writer at random.
> */
>
> #include <stdio.h>
> main(t,_,a)
> char *a;
> {
> return!0<t?t<3?main(-79,-13,a+main(-87,1-_,main(-86,0,a+1)+a)):
> 1,t<_?main(t+1,_,a):3,main(-94,-27+t,a)&&t==2?_<13?
> main(2,_+1,"%s %d %d\n"):9:16:t<0?t<-72?main(_,t,
> "@n'+,#'/*{}w+/w#cdnr/+,{}r/*de}+,/*{*+,/w{%+,/w#q#n+,/#{l+,/n{n+,/+#n+,/#
> \
> ;#q#n+,/+k#;*+,/'r :'d*'3,}{w+K w'K:'+}e#';dq#'l \
> q#'+d'K#!/+k#;q#'r}eKK#}w'r}eKK{nl]'/#;#q#n'){)#}w'){){nl]'/+#n';d}rw' i;#
> \
> ){nl]!/n{n#'; r{#w'r nc{nl]'/#{l,+'K {rw' iK{;[{nl]'/w#q#n'wk nw' \
> iwk{KK{nl]!/w{%'l##w#' i; :{nl]'/*{q#'ld;r'}{nlwb!/*de}'c \
> ;;{nl'-{}rw]'/+,}##'*}#nc,',#nw]'/+kd'+e}+;#'rdq#w! nr'/ ') }+}{rl#'{n'
> ')# \
> }'+}##(!!/")
>
> :t<-50?_==*a?putchar(31[a]):main(-65,_,a+1):main((*a=='/')+t,_,a+1)
> :0<t?main(2,2,"%s"):*a=='/'||main(0,main(-61,*a,
>
> "!ek;dc i at bK'(q)-[w]*%n+r3#l,{}:\nuwloca-O;m .vpbks,fxntdCeghiry"),a+1);
> }
> -------------------------------
>
>
> ---
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-- 
Leonard Thornton
Intelis, Inc
leonard at intelis-inc.net

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