The results of the competition are final.
Solutions can be found here.
We are aware that you were unable to submit answers 15 seconds before the end of the official time limit. We are sorry about that, but that was same for all the teams so the competition was still fair.
Thanks for your comments. We found out that our solution to FoL 9 was wrong. We decided that the fairest resolution is to not count any points gained or lost because of this problem. We apologize for the trouble.
Problem statistics
| # | name | the best | teams trying to solve | correct answers | wrong answers | skipped |
|---|---|---|---|---|---|---|
| FoL1 | (hopefully just) easy pulleys | 17:00:44 | 719 | 575 | 666 | 8 |
| FoL2 | two circuits | 17:01:13 | 719 | 561 | 351 | 13 |
| FoL3 | felling trees | 17:03:18 | 719 | 332 | 1058 | 91 |
| FoL4 | the nearest asteroid | 17:02:52 | 719 | 446 | 720 | 45 |
| FoL5 | unstable | 17:03:04 | 719 | 370 | 634 | 69 |
| FoL6 | safe power | 17:00:28 | 719 | 569 | 233 | 5 |
| FoL7 | the ink-blooded prince | 17:02:16 | 719 | 556 | 303 | 7 |
| FoL8 | slowed down train | 17:04:29 | 607 | 343 | 928 | 63 |
| FoL9 | we pump oil | — | — | — | 120 | |
| FoL10 | homogeneous air | 17:08:25 | 585 | 323 | 515 | 55 |
| FoL11 | our old clock | 17:18:05 | 573 | 80 | 680 | 119 |
| FoL12 | cough cough | 17:12:10 | 541 | 287 | 984 | 47 |
| FoL13 | uneven illumination | 17:22:00 | 496 | 169 | 757 | 96 |
| FoL14 | autumn in a train | 17:15:34 | 456 | 277 | 164 | 21 |
| FoL15 | the power of a waterfall | 17:17:00 | 419 | 262 | 320 | 18 |
| FoL16 | burning coal | 17:25:02 | 395 | 151 | 228 | 47 |
| FoL17 | heat and phases | 17:17:11 | 366 | 290 | 189 | 5 |
| FoL18 | boiling | 17:21:01 | 344 | 261 | 192 | 11 |
| FoL19 | internal resistance | 17:25:01 | 325 | 186 | 165 | 9 |
| FoL20 | raft voyage | 17:33:37 | 304 | 154 | 381 | 20 |
| FoL21 | mysterious ball | 17:34:06 | 274 | 226 | 138 | 1 |
| FoL22 | illuminated | 17:32:23 | 253 | 26 | 286 | 46 |
| FoL23 | a ball | 17:45:16 | 230 | 40 | 417 | 34 |
| FoL24 | a traveler's problem | 17:36:27 | 208 | 157 | 68 | 3 |
| FoL25 | a different parallel-plate capacitor | 17:42:54 | 186 | 126 | 135 | 9 |
| FoL26 | oscillating hoop | 17:45:57 | 168 | 94 | 79 | 8 |
| FoL27 | oscillating | 17:46:29 | 158 | 93 | 86 | 7 |
| FoL28 | lego and dice 1.0 | 17:46:18 | 146 | 117 | 60 | 2 |
| FoL29 | lego and dice 2.0 | 17:48:46 | 133 | 110 | 62 | 2 |
| FoL30 | impact accelerator | 17:51:16 | 127 | 80 | 152 | 3 |
| FoL31 | jump on! | 17:57:16 | 115 | 21 | 141 | 12 |
| FoL32 | disgusting piston | 18:14:22 | 101 | 54 | 60 | 3 |
| FoL33 | 4D scouring pad | 18:42:46 | 89 | 34 | 104 | 8 |
| FoL34 | levitation by firearm | 18:03:14 | 78 | 54 | 50 | 1 |
| FoL35 | burning phosphorus | 18:44:36 | 71 | 20 | 93 | 7 |
| FoL36 | mixed current | 18:31:51 | 60 | 51 | 31 | 2 |
| FoL37 | stopping a train | 18:36:24 | 59 | 38 | 31 | 2 |
| FoL38 | solar cube | 18:42:04 | 58 | 30 | 53 | 2 |
| FoL39 | optimal direction | 18:50:12 | 48 | 38 | 25 | 0 |
| FoL40 | watch out, Danka is throwing | 18:43:51 | 41 | 32 | 14 | 0 |
| FoL41 | laser at a dormitory | 18:41:24 | 39 | 23 | 11 | 0 |
| FoL42 | pyramid | 19:06:42 | 34 | 10 | 35 | 0 |
| FoL43 | pole dance | 18:52:31 | 32 | 11 | 11 | 0 |
| FoL44 | a fall into the unknown | 19:01:34 | 26 | 14 | 20 | 0 |
| FoL45 | spring of knowledge | 19:21:45 | 25 | 5 | 12 | 0 |
| FoL46 | an incredible space battle | 19:24:02 | 21 | 7 | 2 | 0 |
| FoL47 | rotational pump | 19:10:59 | 18 | 11 | 5 | 0 |
| FoL48 | ideal centrifuge | 19:30:22 | 16 | 7 | 2 | 0 |
| FoL49 | falling impulse | 19:41:14 | 12 | 2 | 6 | 0 |
| FoL50 | a problem with potential | 19:22:20 | 8 | 6 | 0 | 0 |
| FoL51 | another problem with potential | 19:57:54 | 6 | 1 | 4 | 0 |
| M1 | at the train station | 18:01:27 | 719 | 423 | 424 | 17 |
| M2 | at the airport | 18:05:48 | 440 | 312 | 268 | 18 |
| M3 | under the ground | 18:09:41 | 330 | 265 | 200 | 11 |
| M4 | in the shopping mall | 18:13:38 | 274 | 214 | 123 | 6 |
| E1 | statistical 1 - intro | 18:02:29 | 719 | 303 | 352 | 58 |
| E2 | statistical 2 - basics | 18:04:30 | 361 | 217 | 166 | 21 |
| E3 | statistical 3 - the quantum way | 18:08:36 | 238 | 169 | 118 | 9 |
| E4 | statistical 4 - the second quantum one | 18:14:44 | 178 | 90 | 128 | 10 |
| X1 | the strongman and the weight | 18:01:31 | 719 | 387 | 520 | 46 |
| X2 | (not) breathing | 18:03:42 | 432 | 224 | 1049 | 78 |
| X3 | the pressure of a ballerina | 18:07:32 | 302 | 73 | 632 | 56 |
| X4 | saliva | 18:08:46 | 129 | 122 | 16 | 0 |