Language statistics

Number of contestants using specific language.

Language	Qualification Round	Round 1A	Round 1B	Round 1C	Round 2	Round 3	Final Round
C	1168	260	151	130	12	2
C++	12074	4693	3877	3089	1747	317	20
D	21	5	4	2	1
Java	6154	2147	1417	1006	223	28	3
Python	6414	2172	1771	1224	290	23	2
C#	1005	321	287	213	40	4
~~Clojure~~	36	8	4	4	1
~~CoffeeScript~~	8	2	3	3
~~Dart~~	7	4	3	2
~~Elixir~~	14	1
~~Erlang~~	8	5	1	1	2
F#	12	3	3	1
Go	174	63	42	27	2
~~Groovy~~	31	10	6	7	2	1
~~Haskell~~	194	71	48	33	19	3
~~JavaScript~~	317	93	60	41	5
~~Julia~~	19	6	3	2	2
~~Kotlin~~	21	6	10	5	3
~~Lisp~~	27	7	10	6	1
~~Lua~~	26	7	7	9	2
~~MATLAB~~	68	27	30	14	3
~~Objective-C~~	23	5	5	3
~~OCaml~~	34	16	11	8	8	1
~~Pascal~~	40	11	8	3		1
~~Perl~~	91	26	19	11	3	1
~~PHP~~	190	47	43	38	1
R	28	5	5	4
~~Racket~~	12	5	3	1
~~Ruby~~	431	144	105	69	16
~~Rust~~	44	12	4	4
~~Scala~~	154	56	39	27	3	1
~~Scheme~~	6	3	1	1
~~Shell~~	29	2	2	1
~~Swift~~	52	15	9	9	1
~~TypeScript~~	6	2		2
~~Visual Basic~~	23	7	7	2	1
A	1
~~ActionScript~~	1	1	1
~~Ada~~			1
~~Agda~~	1
~~Aheui~~	1
~~APL~~	1
~~AppleScript~~	1	1
~~Assembly~~	2
~~AviSynth~~	1
~~AWK~~	6		1	1
~~Basic~~	1
bc	5
~~Befunge~~	1
~~Boo~~	1
~~Brainfuck~~	2
~~CJam~~	2	2	2
~~CMake~~	1
~~COBOL~~	1
~~Cobra~~	1
~~Crystal~~	3			1
dc	1
~~Factor~~	1	1	1	1
~~Forth~~	1		1
~~Fortran~~	2
~~Golfscript~~	2
~~HSP~~	1
~~Idris~~	1
J	3	1	1	1
~~JSX~~		1
~~LiveScript~~			1
~~LOLCODE~~	1
~~Mathematica~~	5			1
~~Maxima~~	1
~~Mochi~~	1
~~MoonScript~~				1
~~Octave~~	1
~~PARI/GP~~	1
~~Picat~~	2	1	1	1
~~PL/SQL~~	2
~~PowerShell~~	2		1	1
~~Processing~~	1
~~Prolog~~	2
~~Pyth~~	1
Q	3	2	2		1
~~Retina~~	1
~~sed~~	1
~~Shakespeare~~	1
~~Smalltalk~~	1	1
~~Spreadsheet~~			1
~~SQL~~	1
~~TCL~~	5	2	1	1
~~Whitespace~~	1
~~WRAPL~~	1		1	1
~~XQuery~~	1