Question

How to write the shortest program that print a copy of its own in C

Answer 1

#include <stdio.h>     

main() { char *s="main() { char *s=%c%s%c; printf(s,34,s,34); }"; printf(s,34,s,34); } 

/*
run:

main() { char *s="main() { char *s=%c%s%c; printf(s,34,s,34); }"; printf(s,34,s,34); }

*/

 

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Answer 2

#include <stdio.h>     

main(s){printf(s="main(s){printf(s=%c%s%c,34,s,34);}",34,s,34);}

/*
run:

main(s){printf(s="main(s){printf(s=%c%s%c,34,s,34);}",34,s,34);}

*/

 

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