Problems

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Submissions Users
Name Total Acc. Ratio Fastest   Total Acc. Ratio Difficulty
0-1 Sequences 9746 1455 15% 0.00 1925 985 51% 6.0
2048 9292 4288 46% 0.00 4110 3525 86% 2.3
3D Printed Statues 11813 5483 46% 0.00 5074 4557 90% 1.8
3D Printer 869 149 17% 0.00 355 113 32% 8.8
3-Sided Dice 2665 218 8% 0.00 434 155 36% 8.6
4 thought 10375 3505 34% 0.00 3425 2884 84% 2.4
A1 Paper 5938 1778 30% 0.00 1754 1393 79% 3.7
Aaah! 31074 14480 47% 0.00 12952 12079 93% 1.6
ABC 15638 7180 46% 0.00 6735 6126 91% 1.8
Above Average 10577 4325 41% 0.00 4160 3722 89% 2.2
Abstract Art 387 126 33% 0.00 104 80 77% 5.4
Abstract Painting 495 197 40% 0.00 166 129 78% 4.6
Absurdistan Roads II 665 227 34% 0.00 223 149 67% 6.9
ACM Contest Scoring 7471 4652 62% 0.00 4155 3916 94% 1.5
Adding Words 12140 2979 25% 0.00 2841 2222 78% 3.4
A Different List Game 7260 508 7% 0.00 940 182 19% 9.2
A Different Problem 35135 12949 37% 0.00 11874 10295 87% 2.2
Adjoin the Networks 2268 599 26% 0.00 503 402 80% 5.5
Ads 745 60 8% 0.00 121 38 31% 6.9
Adventures in Moving -- Part IV 1603 359 22% 0.00 306 259 85% 4.5
A Favourable Ending 1816 484 27% 0.00 452 351 78% 4.5
A Feast For Cats 2785 1050 38% 0.00 731 627 86% 3.8
Air Conditioned Minions 5758 1650 29% 0.00 1686 1302 77% 3.5
Airport Logistics 67 15 22% 0.00 22 15 68% 7.3
Akcija 8324 3736 45% 0.00 3396 3034 89% 1.9
Alex and Barb 487 190 39% 0.00 214 171 80% 3.0
Alien Numbers 2597 1373 53% 0.00 1341 1225 91% 2.0
A List Game 9552 2855 30% 0.00 2729 2301 84% 2.9
All about that base 3020 1204 40% 0.00 1167 986 84% 2.9
All Different Directions 1518 673 44% 0.00 632 561 89% 2.6
Allergy Test 585 150 26% 0.00 181 92 51% 7.8
All Friends 1085 205 19% 0.00 184 99 54% 8.8
All Kill 56 46 82% 0.00 35 31 89% 3.3
Alloys 385 128 33% 0.00 140 114 81% 5.1
All Pairs Shortest Path 11773 2195 19% 0.00 1393 998 72% 5.0
Almost Perfect 9573 2191 23% 0.00 2284 1817 80% 3.2
Alphabet 1953 1002 51% 0.00 964 816 85% 3.2
Alphabet Animals 2595 802 31% 0.00 748 608 81% 3.3
Alphabet Spam 9302 5759 62% 0.00 4772 4584 96% 1.4
Alternative Anagram 190 71 37% 0.00 54 46 85% 4.1
Alternative Bracket Notation 210 90 43% 0.00 96 80 83% 5.0
Amsterdam Distance 1780 840 47% 0.00 870 733 84% 2.8
A Multiplication Game 1008 406 40% 0.00 431 334 77% 4.3
Anagram Counting 4206 1647 39% 0.00 1589 1341 84% 2.7
A New Adventure 1260 187 15% 0.00 193 136 70% 5.8
A New Alphabet 12242 5505 45% 0.00 5137 4744 92% 1.8
An I for an Eye 939 263 28% 0.00 299 223 75% 4.6
Another Brick in the Wall 3623 1846 51% 0.00 1789 1636 91% 1.9
Another Candies 8867 2457 28% 0.00 2503 2089 83% 2.5
Another Coin Weighing Puzzle 450 130 29% 0.00 108 92 85% 4.5
Another Dice Game 111 72 65% 0.00 69 60 87% 4.5
Antenna Placement 169 71 42% 0.00 56 43 77% 6.9
Anthony and Cora 1027 279 27% 0.00 321 220 69% 5.7
Anthony and Diablo 3732 1350 36% 0.00 1349 1178 87% 2.5
Ants 4190 1872 45% 0.00 1516 1327 88% 2.6
Apaxiaaaaaaaaaaaans! 15059 8994 60% 0.00 8020 7653 95% 1.5
Apostrophe Catastrophe 120 30 25% 0.00 32 21 66% 6.4
Appalling Architecture 822 243 30% 0.00 212 178 84% 4.1
A Prize No One Can Win 5501 1627 30% 0.00 1309 1143 87% 2.6
Aquarium Tank 538 155 29% 0.00 153 118 77% 5.9
A Question of Ingestion 1730 421 24% 0.00 384 300 78% 5.5
A Random Problem 347 88 25% 0.00 83 58 70% 6.0
A Rational Sequence 1924 639 33% 0.00 694 504 73% 5.1
A Rational Sequence 2 2496 1839 74% 0.00 1630 1563 96% 1.5
A Rational Sequence (Take 3) 1097 890 81% 0.00 746 713 96% 1.7
Arctic Network 2451 861 35% 0.00 661 542 82% 4.2
A Real Challenge 9756 4746 49% 0.00 4490 4213 94% 1.5
Are You Listening? 2105 656 31% 0.00 617 555 90% 2.6
Arithmetic 3468 1026 30% 0.00 1054 829 79% 3.7
Army Strength (Easy) 4053 2052 51% 0.00 1904 1715 90% 2.2
Around and Around We Go 59 16 27% 0.00 27 15 56% 7.1
Around the Track 277 36 13% 0.00 57 26 46% 9.1
ASCII Addition 1388 792 57% 0.00 702 662 94% 1.9
ASCII Figure Rotation 2179 716 33% 0.00 738 625 85% 3.3
As Easy as CAB 1162 100 9% 0.00 257 77 30% 9.2
Aspen Avenue 2133 602 28% 0.00 395 266 67% 5.8
Association for Computing Machinery 2793 1061 38% 0.00 953 839 88% 2.7
Association for Cool Machineries (Part 2) 47 28 60% 0.00 32 25 78% 5.6
Association for the Country of Mububa 1966 399 20% 0.00 446 280 63% 7.0
Association of Myths 61 29 48% 0.00 36 28 78% 7.0
A Star not a Tree? 201 58 29% 0.00 49 32 65% 6.4
Asteroids 720 133 18% 0.00 98 74 76% 6.3
Astro 526 171 33% 0.00 167 141 84% 4.2
A Towering Problem 2451 1203 49% 0.00 1207 1093 91% 2.0
Autori 24549 15374 63% 0.00 13851 13411 97% 1.3
Average Speed 1344 442 33% 0.00 453 372 82% 3.6
A Vicious Pikeman (Easy) 2870 921 32% 0.00 713 622 87% 3.3
Avion 3459 1975 57% 0.00 1912 1839 96% 1.4
Baby Bites 4361 2206 51% 0.00 2091 1950 93% 1.7
Babylonian Numbers 1398 723 52% 0.00 732 655 89% 2.1
Backspace 12152 4500 37% 0.00 3520 2991 85% 2.6
Bacon, Eggs, and Spam 4332 2457 57% 0.00 2146 1998 93% 1.8
Baggage 337 112 33% 0.00 134 94 70% 5.8
Bakice 104 43 41% 0.00 53 41 77% 5.8
Bakterije 190 22 12% 0.00 38 18 47% 8.8
Balanced Diet 1114 485 44% 0.00 427 355 83% 4.0
Ball Bearings 612 225 37% 0.00 236 194 82% 3.7
Banjo 271 49 18% 0.00 43 18 42% 9.1
Bank Queue 14348 4057 28% 0.00 3340 2774 83% 2.8
Bard 1950 966 50% 0.00 850 749 88% 2.5