Problems

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Submissions Users
Name Total Acc. Ratio Fastest   Total Acc. Ratio Difficulty
0-1 Sequences 7888 1117 14% 0.00 1488 739 50% 7.0
2048 7491 3489 47% 0.00 3389 2892 85% 2.3
3D Printed Statues 8669 3983 46% 0.00 3693 3311 90% 2.0
3D Printer 691 127 18% 0.00 267 97 36% 8.6
3-Sided Dice 2191 191 9% 0.00 356 132 37% 8.6
4 thought 7631 2577 34% 0.00 2581 2153 83% 2.6
A1 Paper 4881 1435 29% 0.00 1420 1131 80% 3.5
Aaah! 26247 12189 46% 0.00 10929 10179 93% 1.5
ABC 11684 5267 45% 0.00 5042 4576 91% 1.9
Above Average 7323 3045 42% 0.00 3018 2703 90% 2.1
Abstract Art 262 79 30% 0.00 80 60 75% 6.6
Abstract Painting 63 41 65% 0.00 42 37 88% 3.6
Absurdistan Roads II 547 197 36% 0.00 195 133 68% 6.8
ACM Contest Scoring 6146 3855 63% 0.00 3412 3217 94% 1.6
Adding Words 9329 2206 24% 0.00 2161 1667 77% 3.6
A Different List Game 6590 463 7% 0.00 818 163 20% 9.2
A Different Problem 27880 10368 37% 0.00 9575 8311 87% 2.2
Adjoin the Networks 1835 487 27% 0.00 437 342 78% 5.7
Adventures in Moving -- Part IV 958 270 28% 0.00 235 201 86% 4.5
A Favourable Ending 1530 388 25% 0.00 365 276 76% 4.7
A Feast For Cats 1929 688 36% 0.00 457 386 84% 4.2
Air Conditioned Minions 4699 1288 27% 0.00 1360 1020 75% 3.9
Airport Logistics 57 13 23% 0.00 20 13 65% 7.9
Akcija 6648 2944 44% 0.00 2682 2378 89% 2.0
Alien Numbers 2125 1104 52% 0.00 1073 975 91% 2.0
A List Game 7612 2259 30% 0.00 2130 1792 84% 2.9
All about that base 2704 1060 39% 0.00 1039 869 84% 3.0
All Different Directions 1151 496 43% 0.00 468 409 87% 2.6
Allergy Test 446 127 28% 0.00 144 74 51% 7.7
All Friends 843 165 20% 0.00 151 79 52% 8.9
All Pairs Shortest Path 8173 1454 18% 0.00 997 702 70% 6.0
Almost Perfect 6924 1603 23% 0.00 1716 1331 78% 3.7
Alphabet 1368 675 49% 0.00 688 581 84% 3.0
Alphabet Animals 1579 491 31% 0.00 503 401 80% 3.2
Alphabet Spam 7390 4624 63% 0.00 3753 3608 96% 1.4
Alternative Bracket Notation 204 85 42% 0.00 91 75 82% 5.3
Amsterdam Distance 1304 570 44% 0.00 618 506 82% 3.0
A Multiplication Game 704 228 32% 0.00 259 191 74% 4.8
Anagram Counting 3289 1265 38% 0.00 1229 1022 83% 3.1
A New Adventure 759 127 17% 0.00 141 95 67% 5.9
A New Alphabet 10227 4568 45% 0.00 4253 3927 92% 1.8
An I for an Eye 610 143 23% 0.00 166 115 69% 5.1
Another Brick in the Wall 3012 1481 49% 0.00 1424 1304 92% 1.9
Another Candies 7221 1971 27% 0.00 2060 1699 82% 2.7
Another Dice Game 93 65 70% 0.00 60 54 90% 4.0
Antenna Placement 132 61 46% 0.00 42 34 81% 5.4
Anthony and Cora 849 215 25% 0.00 257 179 70% 5.4
Anthony and Diablo 2794 956 34% 0.00 959 825 86% 2.5
Ants 3308 1450 44% 0.00 1172 1022 87% 2.7
Apaxiaaaaaaaaaaaans! 11980 7310 61% 0.00 6475 6201 96% 1.4
Apostrophe Catastrophe 99 24 24% 0.00 25 17 68% 6.6
Appalling Architecture 559 160 29% 0.00 133 113 85% 3.7
A Prize No One Can Win 1796 725 40% 0.00 677 594 88% 2.5
Aquarium Tank 470 130 28% 0.00 125 98 78% 5.1
A Question of Ingestion 1241 308 25% 0.00 292 224 77% 5.8
A Random Problem 313 80 26% 0.00 77 53 69% 6.2
A Rational Sequence 1697 559 33% 0.00 585 431 74% 4.5
A Rational Sequence 2 2018 1494 74% 0.00 1328 1274 96% 1.5
A Rational Sequence (Take 3) 841 681 81% 0.00 562 538 96% 1.8
Arctic Network 1521 547 36% 0.00 483 388 80% 4.5
A Real Challenge 7734 3737 48% 0.00 3529 3305 94% 1.5
Are You Listening? 1515 423 28% 0.00 393 345 88% 2.9
Arithmetic 2897 846 29% 0.00 867 672 78% 3.5
Army Strength (Easy) 3505 1770 50% 0.00 1644 1475 90% 2.3
Around and Around We Go 51 14 27% 0.00 25 13 52% 7.6
Around the Track 274 35 13% 0.00 55 25 45% 8.7
ASCII Addition 1068 575 54% 0.00 480 453 94% 1.9
ASCII Figure Rotation 1804 566 31% 0.00 589 493 84% 3.6
As Easy as CAB 905 57 6% 0.00 208 44 21% 9.5
Aspen Avenue 1092 362 33% 0.00 270 180 67% 7.2
Association for Computing Machinery 2468 933 38% 0.00 865 757 88% 2.6
Association for Cool Machineries (Part 2) 46 27 59% 0.00 31 24 77% 5.7
Association for the Country of Mububa 1762 347 20% 0.00 418 262 63% 6.9
Association of Myths 57 28 49% 0.00 33 28 85% 4.9
A Star not a Tree? 130 28 22% 0.00 32 19 59% 7.8
Asteroids 702 125 18% 0.00 88 66 75% 6.5
Astro 277 90 32% 0.00 100 86 86% 3.7
A Towering Problem 2106 1017 48% 0.00 1035 931 90% 2.2
Autori 18397 11618 63% 0.00 10618 10289 97% 1.2
Average Speed 1086 336 31% 0.00 353 286 81% 3.7
A Vicious Pikeman (Easy) 1910 586 31% 0.00 486 414 85% 3.8
Avion 1661 920 55% 0.00 904 863 95% 1.4
Baby Bites 3228 1675 52% 0.00 1583 1474 93% 1.7
Babylonian Numbers 910 446 49% 0.00 459 403 88% 2.2
Backspace 8923 3384 38% 0.00 2679 2273 85% 2.7
Bacon, Eggs, and Spam 3381 1972 58% 0.00 1672 1570 94% 1.6
Baggage 312 104 33% 0.00 122 87 71% 5.5
Bakice 97 39 40% 0.00 48 37 77% 6.0
Bakterije 180 21 12% 0.00 33 17 52% 8.6
Balanced Diet 957 412 43% 0.00 361 295 82% 4.2
Ball Bearings 476 176 37% 0.00 186 153 82% 3.9
Banjo 262 48 18% 0.00 41 17 41% 9.1
Bank Queue 10400 2798 27% 0.00 2514 2042 81% 3.2
Bard 1567 740 47% 0.00 670 581 87% 2.7
Barking Up The Wrong Tree 230 28 12% 0.00 30 16 53% 8.9
Base-2 Palindromes 1100 424 39% 0.00 461 351 76% 4.4
basic 113 29 26% 0.00 34 24 71% 7.2
Basin City Surveillance 813 103 13% 0.00 122 62 51% 8.7
Basketball One-on-One 1005 530 53% 0.00 484 449 93% 1.4
Batmanacci 1072 340 32% 0.00 347 278 80% 4.2