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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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