Round 1A
- Problem A: The Last Word.
- Problem B: Rank and File.
- Problem C: BFFs.
Language Popularity
| Problem A | Problem B | Problem C | Sets | People | ||||
|---|---|---|---|---|---|---|---|---|
| Language | S | L | S | L | S | L | Total | All / Adv / Perfect |
| C | 245 | 206 | 85 | 73 | 13 | 6 | 628 | 260 / 6 / 6 |
| C# | 315 | 293 | 112 | 97 | 32 | 17 | 866 | 321 / 13 / 13 |
| C++ | 4594 | 4444 | 2487 | 2190 | 1250 | 920 | 15885 | 4693 / 750 / 784 |
| Go | 61 | 58 | 25 | 23 | 6 | 5 | 178 | 63 / 5 / 6 |
| Haskell | 70 | 64 | 29 | 24 | 12 | 9 | 208 | 71 / 9 / 10 |
| Java | 2134 | 1992 | 762 | 701 | 190 | 116 | 5895 | 2147 / 94 / 97 |
| JavaScript | 91 | 75 | 24 | 19 | 3 | 1 | 213 | 93 / 1 / 1 |
| MATLAB | 27 | 26 | 11 | 9 | 4 | 4 | 81 | 27 / 3 / 3 |
| Perl | 23 | 21 | 14 | 13 | 2 | 1 | 74 | 26 / 2 / 2 |
| PHP | 47 | 45 | 10 | 10 | 2 | 114 | 47 | |
| Python | 2135 | 1993 | 835 | 764 | 230 | 161 | 6118 | 2172 / 129 / 138 |
| Ruby | 143 | 134 | 46 | 40 | 13 | 9 | 385 | 144 / 9 / 9 |
| Scala | 54 | 53 | 18 | 15 | 8 | 4 | 152 | 56 / 1 / 1 |
| CJam | 2 | 1 | 2 | 1 | 1 | 7 | 2 | |
| Clojure | 7 | 7 | 1 | 1 | 16 | 8 | ||
| CoffeeScript | 1 | 1 | 2 | 1 | 5 | 2 | ||
| D | 5 | 5 | 3 | 3 | 3 | 3 | 22 | 5 / 3 / 3 |
| Dart | 4 | 4 | 1 | 1 | 10 | 4 | ||
| Erlang | 5 | 5 | 2 | 2 | 2 | 2 | 18 | 5 / 1 / 1 |
| F# | 2 | 3 | 5 | 3 | ||||
| Groovy | 10 | 8 | 3 | 3 | 1 | 1 | 26 | 10 / 1 / 1 |
| Julia | 6 | 4 | 3 | 2 | 2 | 1 | 18 | 6 / 1 / 1 |
| Kotlin | 6 | 6 | 2 | 2 | 2 | 1 | 19 | 6 / 1 / 1 |
| Lisp | 7 | 6 | 2 | 2 | 2 | 2 | 21 | 7 / 1 |
| Lua | 6 | 5 | 2 | 2 | 15 | 7 | ||
| Objective-C | 5 | 4 | 3 | 3 | 15 | 5 | ||
| OCaml | 16 | 16 | 11 | 8 | 6 | 6 | 63 | 16 / 5 / 5 |
| Pascal | 10 | 8 | 4 | 4 | 2 | 2 | 30 | 11 / 5 / 5 |
| Q | 2 | 2 | 2 | 2 | 1 | 1 | 10 | 2 / 1 / 1 |
| R | 5 | 4 | 2 | 2 | 13 | 5 | ||
| Racket | 5 | 5 | 1 | 1 | 1 | 1 | 14 | 5 |
| Rust | 11 | 11 | 1 | 1 | 1 | 1 | 26 | 12 |
| Scheme | 2 | 1 | 2 | 2 | 7 | 3 | ||
| Shell | 2 | 2 | 1 | 1 | 6 | 2 | ||
| Swift | 15 | 12 | 2 | 2 | 31 | 15 / 1 / 1 | ||
| TCL | 2 | 2 | 1 | 1 | 6 | 2 | ||
| TypeScript | 1 | 1 | 1 | 3 | 2 / 1 / 1 | |||
| Visual Basic | 6 | 5 | 2 | 1 | 1 | 15 | 7 | |
| ActionScript | 1 | 1 | 1 | 1 | 4 | 1 | ||
| AppleScript | 1 | 1 | 2 | 1 | ||||
| Elixir | 1 | 1 | 2 | 1 | ||||
| Factor | 1 | 1 | 1 | 1 | 4 | 1 | ||
| J | 1 | 1 | 2 | 1 | ||||
| JSX | 1 | 1 | 1 | |||||
| Picat | 1 | 1 | 1 | 1 | 4 | 1 | ||
| Smalltalk | 1 | 1 | 2 | 1 | ||||
| Total | 10089 | 9539 | 4517 | 4028 | 1792 | 1274 | 31239 | 10145 / 1000 / 1047 |
Legend: advancing to next round, perfect score.