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本帖最后由 907806863 于 2015-1-20 20:34 编辑
国际C语言混乱代码大赛(IOCCC, The International Obfuscated C Code Contest)是一项著名的国际编程赛事,从1984年开始到2006年,每年举办一次。2006年后中止了多年,2011年又开始恢复。比赛的目的是写出最有创意的最让人难以理解的C语言代码,当然有好玩的成分,但也能充分展示C语言和程序员的强大。 其中一个例子:
#include <stdio.h> char *a;main(int t,int _,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@bK'(q)-[w]*%n+r3#l,{}:\nuwloca-O;m .vpbks,fxntdCeghiry"),a+1);}
(请使用GCC编译器编译)
该代码可以打印出歌曲 The Twelve Days of Christmas 的歌词
这个程序由 Cambridge Consultants Ltd.的 Ian Phillipps 编写 用于参加国际C混乱代码大赛
International Obfuscated C Code Contest. ------------
输出结果:
On the first day of Christmas my true love gave to
me
a partridge in a pear tree.
On the second day of Christmas my true
love gave to me
two turtle doves
and a partridge in a pear tree.
On
the third day of Christmas my true love gave to me
three french hens, two
turtle doves
and a partridge in a pear tree.
On the fourth day of
Christmas my true love gave to me
four calling birds, three french hens, two
turtle doves
and a partridge in a pear tree.
On the fifth day of
Christmas my true love gave to me
five gold rings;
four calling birds,
three french hens, two turtle doves
and a partridge in a pear tree.
On
the sixth day of Christmas my true love gave to me
six geese a-laying, five
gold rings;
four calling birds, three french hens, two turtle doves
and a
partridge in a pear tree.
On the seventh day of Christmas my true love
gave to me
seven swans a-swimming,
six geese a-laying, five gold
rings;
four calling birds, three french hens, two turtle doves
and a
partridge in a pear tree.
On the eigth day of Christmas my true love gave
to me
eight maids a-milking, seven swans a-swimming,
six geese a-laying,
five gold rings;
four calling birds, three french hens, two turtle
doves
and a partridge in a pear tree.
On the ninth day of Christmas my
true love gave to me
nine ladies dancing, eight maids a-milking, seven swans
a-swimming,
six geese a-laying, five gold rings;
four calling birds, three
french hens, two turtle doves
and a partridge in a pear tree.
On the
tenth day of Christmas my true love gave to me
ten lords a-leaping,
nine
ladies dancing, eight maids a-milking, seven swans a-swimming,
six geese
a-laying, five gold rings;
four calling birds, three french hens, two turtle
doves
and a partridge in a pear tree.
On the eleventh day of Christmas
my true love gave to me
eleven pipers piping, ten lords a-leaping,
nine
ladies dancing, eight maids a-milking, seven swans a-swimming,
six geese
a-laying, five gold rings;
four calling birds, three french hens, two turtle
doves
and a partridge in a pear tree.
On the twelfth day of Christmas
my true love gave to me
twelve drummers drumming, eleven pipers piping, ten
lords a-leaping,
nine ladies dancing, eight maids a-milking, seven swans
a-swimming,
six geese a-laying, five gold rings;
four calling birds, three
french hens, two turtle doves
and a partridge in a pear tree.
press any
key to continue
书上说还要加个版权说明 ^--^
版权 © 1988,Landon Curt Noll
& Larry Bassel。保留所有权利。 历届竞赛源代码都在:http://www.ioccc.org/years.html (虽然是英文网站 但是很简单,点击作品中.c的文件就直接开始下载源代码了
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