My 2012 entry similarly started with the self documenting Int L[A],m,b,*D=A, *c,*a=L,C,*U=L,u;s requiring compile time defs -DInt=int/long -DA=

My 2012 entry similarly started with the self documenting Int L[A],m,b,*D=A, *c,*a=L,C,*U=L,u;s requiring compile time defs -DInt=int/long -DA=500000. But it did include its own Basic I/O System in the source: char*B,I,O;S(){b=b ... "-,&,,/.--/,:-,'/" ".-,-,,/.-,*,//..,"