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Number - Title |
Total Submissions / Solving % |
Total Users / Solving % |
20th Fastest |
| | | | 12340 - Integer Grouping | 66 | | 16 | | N/A |
| | | | 12389 - Cybercrime Donut Investigation | 745 | | 146 | | 1.540 |
| | | | 12311 - All-Pair Farthest Points | 828 | | 121 | | 0.055 |
| | | | 12310 - Point Location | 312 | | 21 | | N/A |
| | | | 12344 - Jewel Transportation | 162 | | 23 | | N/A |
| | | | 12308 - Smallest Enclosing Box | 319 | | 29 | | N/A |
| | | | 12388 - Coin Collecting | 164 | | 33 | | N/A |
| | | | 12309 - A Strange Opera House II | 32 | | 7 | | N/A |
| | | | 12330 - Universal Question Answering System | 58 | | 29 | | N/A |
| | | | 12332 - Share the Cakes | 99 | | 29 | | N/A |
| | | | 12314 - The Cleaning Robot | 225 | | 22 | | N/A |
| | | | 12348 - Fun Coloring | 1580 | | 267 | | 0.012 |
| | | | 12315 - The Starflyer Agents | 241 | | 50 | | 1.804 |
| | | | 12370 - Game of Connect | 281 | | 55 | | 0.042 |
| | | | 12305 - Polishing a Extruded Polygon | 168 | | 28 | | N/A |
| | | | 12329 - Very Boring Homework | 148 | | 26 | | N/A |
| | | | 12354 - Paths in a Tree | 455 | | 120 | | 0.086 |
| | | | 12341 - Next to Never | 227 | | 40 | | 1.940 |
| | | | 12350 - Queen Game | 263 | | 70 | | 0.232 |
| | | | 12351 - Spelling Suggestion | 125 | | 25 | | N/A |
| | | | 12334 - Quelling Blade | 21 | | 14 | | N/A |
| | | | 12331 - Triangles and Quadrangle | 84 | | 35 | | 0.148 |
| | | | 12312 - Bounding Volume Hierarchy | 288 | | 45 | | 1.578 |
| | | | 12328 - Winmine.exe | 22 | | 15 | | N/A |
| | | | 12360 - Elecrical Pollution | 167 | | 61 | | 0.252 |
| | | | 12381 - Our Fair Contest! | 141 | | 31 | | N/A |
| | | | 12374 - Treasure Hunt | 132 | | 47 | | 0.279 |
| | | | 12313 - A Tiny Raytracer | 142 | | 29 | | N/A |
| | | | 12373 - Pair of Touching Circles | 526 | | 118 | | 0.290 |
| | | | 12327 - Xavier is Learning to Count | 272 | | 67 | | 1.510 |
| | | | 12306 - My SketchUp | 124 | | 33 | | 0.156 |
| | | | 12339 - Help Hermione | 272 | | 54 | | 0.328 |
| | | | 12377 - Number Coding | 1061 | | 118 | | 0.008 |
| | | | 12362 - Garden Fence | 151 | | 60 | | 4.772 |
| | | | 12393 - Non-negative Partial Sums | 1506 | | 326 | | 0.184 |
| | | | 12320 - Flight Control | 280 | | 58 | | 0.124 |
| | | | 12387 - Alphabet Soup | 218 | | 76 | | 0.370 |
| | | | 12395 - Regular Convex Polygon | 1333 | | 209 | | 0.000 |
| | | | 12375 - Truchet Tiling | 209 | | 75 | | 0.089 |
| | | | 12390 - Distributing Ballot Boxes | 2584 | | 618 | | 0.180 |
| | | | 12367 - Binary Matrix | 472 | | 103 | | 0.056 |
| | | | 12399 - NumPuzz II | 141 | | 77 | | 0.008 |
| | | | 12316 - Sewing Buttons with Grandma | 564 | | 160 | | 0.570 |
| | | | 12361 - File Retrieval | 373 | | 90 | | 1.248 |
| | | | 12336 - Knights in the Zombie Land | 429 | | 65 | | 1.120 |
| | | | 12349 - Twin Apparent Primes!! | 643 | | 182 | | 0.008 |
| | | | 12355 - Consecutive Sums | 855 | | 143 | | 1.152 |
| | | | 12325 - Zombie's Treasure Chest | 7842 | | 802 | | 0.000 |
| | | | 12371 - Guards | 315 | | 86 | | 0.080 |
| | | | 12323 - Inspecting Radars | 281 | | 104 | | 0.288 |
| | | | 12386 - Smallest Polygon | 392 | | 50 | | 0.124 |
| | | | 12338 - Anti-Rhyme Pairs | 2743 | | 346 | | 0.293 |
| | | | 12356 - Army Buddies | 19119 | | 5111 | | 0.049 |
| | | | 12345 - Dynamic len(set(a[L:R])) | 4431 | | 717 | | 0.210 |
| | | | 12343 - Strange Simulation | 587 | | 116 | | 0.016 |
| | | | 12368 - Candles | 695 | | 176 | | 0.072 |
| | | | 12396 - Remoteland | 1442 | | 256 | | 0.960 |
| | | | 12394 - Peer Review | 2268 | | 501 | | 0.000 |
| | | | 12353 - Fence Making | 228 | | 68 | | 0.362 |
| | | | 12378 - Ball Blasting Game | 921 | | 97 | | 0.010 |
| | | | 12307 - Smallest Enclosing Rectangle | 1224 | | 153 | | 0.120 |
| | | | 12382 - Grid of Lamps | 1330 | | 217 | | 0.068 |
| | | | 12333 - Revenge of Fibonacci | 3252 | | 501 | | 0.120 |
| | | | 12352 - Coalescing Continents | 182 | | 70 | | 0.025 |
| | | | 12317 - Document Compression | 710 | | 186 | | 0.110 |
| | | | 12342 - Tax Calculator | 9952 | | 2965 | | 0.000 |
| | | | 12358 - Candy's Candy | 431 | | 105 | | 0.020 |
| | | | 12363 - Hedge Mazes | 2244 | | 516 | | 0.050 |
| | | | 12392 - Guess the Numbers | 990 | | 300 | | 0.010 |
| | | | 12318 - Digital Roulette | 1857 | | 383 | | 0.456 |
| | | | 12359 - Diccionário Portuñol | 417 | | 148 | | 0.060 |
| | | | 12304 - 2D Geometry 110 in 1! | 3138 | | 268 | | 0.000 |
| | | | 12365 - Jupiter Atacks! | 821 | | 271 | | 0.256 |
| | | | 12357 - Ball Stacking | 744 | | 215 | | 0.080 |
| | | | 12379 - Central Post Office | 797 | | 203 | | 0.080 |
| | | | 12383 - The Game | 94 | | 41 | | 0.076 |
| | | | 12384 - Span | 1081 | | 128 | | 0.013 |
| | | | 12369 - Cards | 437 | | 111 | | 1.720 |
| | | | 12380 - Glimmr in Distress | 334 | | 53 | | 0.020 |
| | | | 12364 - In Braille | 1475 | | 636 | | 0.000 |
| | | | 12321 - Gas Stations | 3688 | | 1102 | | 0.020 |
| | | | 12324 - Philip J. Fry Problem | 1959 | | 618 | | 0.010 |
| | | | 12322 - Handgun Shooting Sport | 493 | | 145 | | 0.040 |
| | | | 12335 - Lexicographic Order | 1771 | | 424 | | 0.000 |
| | | | 12319 - Edgetown's Traffic Jams | 1178 | | 421 | | 0.100 |
| | | | 12346 - Water Gate Management | 2232 | | 582 | | 0.000 |
| | | | 12391 - Game, Set and Match | 503 | | 151 | | 0.000 |
| | | | 12398 - NumPuzz I | 2077 | | 783 | | 0.000 |
| | | | 12326 - Yummy Triangular Pizza | 175 | | 106 | | 0.000 |
| | | | 12385 - Interesting Sequences | 1101 | | 212 | | 0.080 |
| | | | 12376 - As Long as I Learn, I Live | 5684 | | 1585 | | 0.010 |
| | | | 12347 - Binary Search Tree | 5684 | | 1685 | | 0.000 |
| | | | 12337 - Bob's Beautiful Balls | 865 | | 280 | | 0.000 |
| | | | 12397 - Roman Numerals | 1218 | | 643 | | 0.000 |
| | | | 12366 - King's Poker | 1449 | | 532 | | 0.000 |
| | | | 12372 - Packing for Holiday | 42895 | | 18614 | | 0.000 |