solution one http://joaoff.com/2008/01/20/a-square-grid-path-problem/ concode_field_sep BigInteger solution concode_field_sep void print concode_elem_sep BigInteger factorial concode_elem_sep void main
void function ( ) { BigInteger loc0 = new BigInteger ( "srini_string" ) ; final BigInteger loc1 = new BigInteger ( "srini_string" ) ; final BigInteger loc2 = factorial ( loc1 . multiply ( new BigInteger ( "srini_string" ) ) ) ; final BigInteger loc3 = factorial ( loc1 ) . multiply ( factorial ( loc1 ) ) ; loc0 = loc2 . divide ( loc3 ) ; print ( loc0 ) ; }