Posts by south‭

J, 4 bytes -:|. Try it online! Checks if the input array matches itself reversed. This is a tacit form and is executed monadically as x f (g x).

posted 3y ago by south‭

J, 2 bytes */ Try it online! For complex numbers with 0 as the second part, J will represent them as ints, but they are treated the same.

posted 3y ago by south‭

J, 15 bytes 'Hello, World!' Or if you prefer to beat around the bush...76 bytes. {:a.{~-:^:_1@:|.~&2 S:0<@:<\50 16.5 36 50.5 54 54 55.5 22 16 43.5 55.5 57 54 Try it online!

posted 3y ago by south‭

J, 11 9 bytes /@(>:@i.) Attempt it online!

posted 3y ago by south‭  ·  edited 2y ago by south‭

Factor, 30 29 bytes [ readln "Hello, %s!"printf ] Try it online! Uses io and formatting.

posted 2y ago by south‭  ·  edited 2y ago by south‭

Goruby, 38 bytes ->n{dw{$.+=1;$..mp{1.0/-~_1}.su<n};$.} This was not as much fun as I thought it would be, but it was fun enough to use once.

posted 2y ago by south‭

Ruby, 12 bytes ->{_1.tally} Attempt it online!

posted 2y ago by south‭

Myby, 2 bytes %2 Input is taken from the command line implicitly. 0 for even, 1 for odd. Since Myby is still in its early stages, there is no online sandbox. Some test cases can be seen here.

posted 2y ago by south‭

J, 9 bytes 1#.]=&><\ This is the 7 byte APL solve but makes use of #. in place of +/"1. I came up with 1#.]=[\ first, but bubbler pointed out it breaks when non zeros are present. At...

posted 2y ago by south‭

MATL, 8 bytes tp:qwPe! Try it online! tp:qwPe! t : duplicate with implicit input (function args as array) p : product [2 3]p -> 6 : : range 1..n q : decremen...

posted 2y ago by south‭  ·  edited 2y ago by south‭

MATL, 19 bytes XH:YqtZ*!tsH=f1Z)Z) Try it online! I'm still a novice at MATL, so I am all ears to any improvements. XH:YqtZ*!tsH=f1Z)Z) XH - copy implicit input to H clipboa...

posted 2y ago by south‭

MATL, 4 bytes tPX= Try it online! tPX= t - duplicate with implicit input P - fliplr in MATLAB, reverses top of stack X= - isequal

posted 2y ago by south‭

Ruby, 69 bytes require'prime';->n{Prime.first(n).then{_1.product _1}.find{_1+_2==n}} Try it online!

posted 2y ago by south‭

J, 50 bytes {{({~[:y&(i.&1@:=)[:>+/&.>),{@(,&<)~p:i.p:^:_1 y}} Try it online! A nasty DD solution. {{({~[:y&(i.&1@:=)[:>+/&.>),{@(,&<)~p:i.p:...

posted 2y ago by south‭

J, 21 bytes ,&'+".1!:1(3)'1!:1(3) Try it online! STDIN is ugly in J because you have to use foreigns.

posted 3y ago by south‭

J, 1 byte $ This is shape of. Pretty low-hanging fruit tbh.

posted 3y ago by south‭

J, 6 bytes 0=1|%: Try it online!

posted 3y ago by south‭

J, 2 bytes p. Try it online! J likes inflections so it won't beat APL, but J is still a contender :).

posted 3y ago by south‭

J, 1 byte # Try it online! The copy verb. It works the exact same as APL and Jelly's replicate.

posted 3y ago by south‭