Problems

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Submissions Users
Name Total Acc. Ratio Fastest Total Acc. Ratio   Difficulty
Common Ground 25 1 4% 1.86 20 1 5% 7.8
Towers of Powers 2: Power Harder 7391 339 5% 0.00 744 45 6% 9.5
Hopper 1268 18 1% 0.32 119 9 8% 9.6
Text Processor 799 25 3% 0.03 173 16 9% 9.3
Between Dark and Dawn 47 1 2% 0.04 8 1 12% 8.5
The Bookcase 73 4 5% 0.31 30 4 13% 7.9
The Wire Ghost 228 51 22% 0.01 22 3 14% 9.4
Ranklist Sorting 39 2 5% 0.01 13 2 15% 8.7
Bona Fide 19 2 11% 0.88 6 1 17% 7.8
Old School Days 68 3 4% 0.07 16 3 19% 9.2
A Different List Game 7422 513 7% 0.00 963 186 19% 9.3
Magical Mystery Knight's Tour 1199 44 4% 0.00 122 25 20% 9.7
Aladin 812 79 10% 0.10 133 30 23% 8.6
Swap Frenzy 779 44 6% 0.00 130 30 23% 9.0
Stickers 31 4 13% 0.28 16 4 25% 8.8
Histogrami 106 2 2% 0.10 8 2 25% 8.5
Bats! 26 4 15% 0.03 12 3 25% 8.3
Guess the Digits 488 22 5% 0.01 74 19 26% 9.2
Balanced Cut 426 28 7% 0.07 61 16 26% 9.5
Fishing Contest 65 4 6% 0.77 15 4 27% 8.3
Alien Codebreaking 274 16 6% 3.23 48 13 27% 8.9
Magical String 501 48 10% 0.01 88 24 27% 9.4
Kattis' Little Helpers 19 3 16% 0.19 11 3 27% 7.9
Kemija 930 180 19% 0.00 296 82 28% 8.6
Final Exam 879 53 6% 1.12 109 31 28% 9.1
Bling 35 3 9% 0.25 7 2 29% 8.1
Easy Probability 624 48 8% 0.00 85 25 29% 9.0
Cumulative Sums 189 36 19% 0.01 67 20 30% 7.9
Poslozi 75 3 4% 5.66 10 3 30% 8.9
Maximum Expression 533 28 5% 0.00 76 23 30% 9.2
3D Printer 928 154 17% 0.00 379 117 31% 8.8
Tic Tac Toe 1153 56 5% 0.01 122 38 31% 9.0
Div 2, Mul 2, Mul 3 63 5 8% 0.35 16 5 31% 8.1
Printer Scheduling 264 33 12% 0.07 60 19 32% 9.5
Easy Multiplication 395 41 10% 0.01 78 25 32% 8.0
Association of Camera Makers 325 21 6% 0.46 28 9 32% 9.4
Wooden Crates 156 12 8% 0.22 31 10 32% 9.5
Drive Safely 707 28 4% 0.01 58 19 33% 9.4
A+B Problem 9112 900 10% 0.03 1300 428 33% 8.3
Spaghetti 38 1 3% 0.25 3 1 33% 6.1
Saturn Bees 37 7 19% 0.00 15 5 33% 8.5
Pipes 9 1 11% 1.13 3 1 33% 7.3
Odometer Analysis 35 3 9% 0.00 9 3 33% 8.8
Ice Cream 60 3 5% 0.21 9 3 33% 8.2
Bridge Builders 13 3 23% 0.12 9 3 33% 7.9
As Easy as CAB 1239 116 9% 0.00 273 91 33% 9.1
Sky's the Limit 485 68 14% 0.01 130 44 34% 8.6
Magic Sequence 7585 543 7% 0.57 325 110 34% 6.9
Free Desserts 273 43 16% 0.01 89 31 35% 7.5
Learning to code 760 52 7% 0.00 97 34 35% 7.9
3-Sided Dice 2768 222 8% 0.00 446 158 35% 8.7
Connect the Dots 225 40 18% 0.00 76 27 36% 9.7
Matchings 711 111 16% 0.13 115 41 36% 7.7
Satisfaction Guaranteed 317 24 8% 6.78 28 10 36% 9.6
iCar 142 18 13% 0.01 42 15 36% 8.4
Haunted Graveyard 2103 248 12% 0.02 305 109 36% 8.1
Ads 792 73 9% 0.00 137 49 36% 6.0
Program 735 175 24% 0.15 268 97 36% 8.0
LCM Tree 127 24 19% 0.07 44 16 36% 8.6
Oop 477 49 10% 0.47 90 33 37% 9.1
Escape 346 51 15% 0.72 49 18 37% 8.0
Board Covering 153 23 15% 0.00 54 20 37% 8.7
Hiring and Firing 378 39 10% 0.05 70 26 37% 9.5
Firing the Phaser 203 38 19% 0.06 35 13 37% 8.8
Banjo 297 50 17% 0.00 51 19 37% 9.1
Sudoku 403 42 10% 0.02 80 30 38% 8.8
Palindromes 420 83 20% 0.09 109 41 38% 9.0
Russian Dolls 1242 34 3% 0.00 66 25 38% 8.5
Simple Polygon 406 62 15% 0.23 70 27 39% 8.3
Battle of Pokenom 1322 140 11% 0.00 277 107 39% 8.3
Ascending Photo 1108 190 17% 0.04 232 90 39% 8.6
Shovelling Snow 1273 132 10% 0.01 108 42 39% 8.4
Bus Schedules 31 7 23% 0.16 18 7 39% 8.6
NVWLS 1845 188 10% 0.20 313 122 39% 8.3
Ultimate Pipe Game 61 13 21% 0.05 28 11 39% 8.5
Infection Estimation 697 53 8% 0.00 112 44 39% 9.1
Directory Management 1949 347 18% 0.19 68 27 40% 6.7
Triangular Clouds 277 65 23% 0.11 73 29 40% 8.1
Just Enough Bridges 368 55 15% 0.05 103 41 40% 7.6
Symmetric Polynomials 43 2 5% 0.00 5 2 40% 8.0
Powers of 2 7 2 29% 0.00 5 2 40% 7.0
Peak Tower 702 44 6% 0.07 50 20 40% 8.6
Fair Divisions 199 31 16% 0.38 35 14 40% 7.7
Easter Eggs 342 32 9% 0.17 35 14 40% 9.2
Playlist 386 50 13% 0.43 42 17 40% 9.3
Jewel Thief 533 83 16% 0.55 148 60 41% 8.6
nnnnn 2334 272 12% 0.01 303 124 41% 8.6
Planetary Grid 358 39 11% 0.00 73 30 41% 7.7
Gotta Catch Em All! 1652 187 11% 0.14 243 100 41% 8.1
Kingdom of Kittens 693 41 6% 0.15 68 28 41% 9.2
Bus Clock Display 45 7 16% 0.02 17 7 41% 8.3
Visitors Train 51 6 12% 0.00 12 5 42% 9.2
The Ending of the End - Part 1 46 6 13% 0.56 12 5 42% 8.5
Magical Distances 48 10 21% 3.10 12 5 42% 8.6
A Trivial Pursuit 226 29 13% 0.43 12 5 42% 9.0
Sneak Attack 483 41 8% 0.00 43 18 42% 9.0
Bingo Ties 2991 435 15% 0.00 731 306 42% 7.4
Dominant Strings 2230 207 9% 0.03 267 112 42% 8.7
Sudokunique 1285 194 15% 0.01 169 71 42% 8.7
Boom! 352 39 11% 0.09 59 25 42% 8.7