Round 1A
- Problem A: Multi-base happiness.
- Problem B: Crossing the Road.
- Problem C: Collecting Cards.
Language Popularity
| Problem A | Problem B | Problem C | Sets | People | ||||
|---|---|---|---|---|---|---|---|---|
| Language | S | L | S | L | S | L | Total | All / Adv / Perfect |
| C | 42 | 11 | 5 | 5 | 6 | 6 | 75 | 47 / 20 / 1 |
| C# | 119 | 23 | 11 | 6 | 10 | 9 | 178 | 123 / 45 |
| C++ | 1028 | 349 | 145 | 120 | 283 | 223 | 2148 | 1071 / 638 / 52 |
| Java | 392 | 79 | 32 | 25 | 46 | 36 | 610 | 403 / 171 / 13 |
| Pascal | 21 | 10 | 2 | 2 | 7 | 7 | 49 | 22 / 16 |
| Perl | 35 | 2 | 1 | 1 | 1 | 1 | 41 | 37 / 10 |
| PHP | 21 | 1 | 1 | 1 | 24 | 21 / 5 | ||
| Python | 204 | 3 | 14 | 11 | 23 | 21 | 276 | 213 / 84 / 3 |
| Ruby | 42 | 1 | 1 | 44 | 42 / 14 | |||
| F# | 2 | 1 | 1 | 4 | 2 / 2 | |||
| Groovy | 2 | 2 | 2 / 2 | |||||
| Haskell | 13 | 2 | 1 | 3 | 19 | 14 / 9 | ||
| JavaScript | 4 | 4 | 4 / 1 | |||||
| Lisp | 3 | 3 | 3 | |||||
| Mathematica | 2 | 2 | 4 | 2 / 2 / 1 | ||||
| MATLAB | 2 | 2 | 2 | |||||
| OCaml | 2 | 2 | 2 | 6 | 3 / 3 | |||
| Scala | 6 | 2 | 1 | 9 | 6 / 2 | |||
| Scheme | 5 | 1 | 1 | 1 | 8 | 6 / 3 | ||
| Shell | 1 | 1 | 1 | 3 | 2 / 1 | |||
| Visual Basic | 4 | 4 | 4 | |||||
| Erlang | 1 | 1 | 1 | |||||
| Factor | 1 | 1 | 1 | |||||
| Lua | 1 | 1 | 2 | 1 / 1 / 1 | ||||
| Standard ML | 1 | 1 | 1 | |||||
| Total | 1951 | 481 | 213 | 172 | 390 | 311 | 3518 | 2007 / 1000 / 65 |
Legend: advancing to next round, perfect score.