Problems

 RSS feed for new problems
Submissions Users
Name Total Acc. Ratio   Fastest Total Acc. Ratio Difficulty
Pseudo-random Numbers 1 0 0% -- 1 0 0% 6.1
Kattis' Little Helpers 13 0 0% -- 6 0 0% 8.1
Histogrami 7 0 0% -- 3 0 0% 7.3
Text Processor 495 12 2% 0.03 120 11 9% 9.3
Ball Tricks 62 2 3% 0.30 2 1 50% 8.0
Ice Cream 51 2 4% 0.47 5 2 40% 7.6
Climbing 25 1 4% 0.42 6 1 17% 8.4
Flatland Fidget Spinner 23 1 4% 1.12 3 1 33% 7.0
Old School Days 45 2 4% 0.07 9 2 22% 8.6
Towers of Powers 2: Power Harder 3655 166 5% 0.00 473 29 6% 9.5
Maximum Expression 477 22 5% 0.00 68 19 28% 9.2
Directory Management 191 9 5% 0.24 34 7 21% 9.0
Hopper 83 4 5% 1.73 20 3 15% 9.2
Satisfaction Guaranteed 91 5 5% 6.78 12 4 33% 9.1
Ranklist Sorting 18 1 6% 0.01 5 1 20% 7.9
Sneak Attack 248 14 6% 0.00 29 11 38% 9.2
Magical Mystery Knight's Tour 413 25 6% 0.00 76 16 21% 9.3
Moveable maze 49 3 6% 0.01 6 2 33% 8.2
Escape 210 13 6% 0.72 37 9 24% 9.1
Peak Tower 614 39 6% 0.07 38 16 42% 8.4
Odometer Analysis 31 2 6% 0.00 7 2 29% 8.8
Printer Scheduling 177 12 7% 0.14 37 10 27% 8.5
Haunted Graveyard 564 39 7% 0.08 101 35 35% 8.3
A Different List Game 5312 368 7% 0.00 649 131 20% 9.1
Swap Frenzy 501 35 7% 0.00 100 22 22% 9.2
Ski Resort 111 8 7% 0.36 10 6 60% 6.0
Gotta Catch Em All! 898 66 7% 0.20 167 44 26% 8.7
Planete 66 5 8% 0.04 10 5 50% 6.3
Mushroom Misery 170 13 8% 0.13 13 9 69% 6.8
#exclude<scoring> 51 4 8% 0.07 9 4 44% 8.5
Police 50 4 8% 0.19 7 3 43% 6.6
Enclosure 50 4 8% 0.07 8 4 50% 7.7
3-Sided Dice 1757 142 8% 0.00 283 106 37% 8.6
Liga 741 60 8% 0.00 76 49 64% 5.9
Green Eggs and Ham 49 4 8% 0.01 10 4 40% 8.4
Enigma 35 3 9% 0.00 7 3 43% 6.7
Kingdom of Kittens 163 14 9% 0.15 23 11 48% 9.0
Battle of Pokenom 860 74 9% 0.00 201 65 32% 8.5
Tango Tango Insurrection 116 10 9% 0.17 20 7 35% 7.9
Who Wants to Live Forever? 197 17 9% 0.01 38 16 42% 8.3
Funny Games 647 57 9% 0.34 74 35 47% 8.7
The Brick Stops Here 34 3 9% 0.55 5 2 40% 7.7
Uncrossed Knight's Tour 111 10 9% 0.00 16 9 56% 5.1
Association of Camera Makers 207 19 9% 0.46 20 7 35% 9.2
Shovelling Snow 1178 109 9% 0.01 94 33 35% 8.2
Aladin 711 67 9% 0.10 108 20 19% 8.9
Being Solarly Systematic 347 33 10% 0.13 51 26 51% 7.9
Panda Preserve 1014 98 10% 0.05 66 46 70% 4.9
Rocket Stages 51 5 10% 0.07 9 5 56% 5.7
Association of Computer Maintenance 882 87 10% 0.03 102 53 52% 8.0
Sudoku 341 34 10% 0.02 62 25 40% 8.3
Dominant Strings 1199 120 10% 0.03 166 68 41% 8.9
iCar 119 12 10% 0.01 34 10 29% 9.1
Shovelling Snow 218 22 10% 0.01 46 18 39% 8.2
Bearly Made It 158 16 10% 0.01 21 16 76% 7.6
Doublets 383 39 10% 0.10 57 27 47% 8.7
Horse in Ambush 137 14 10% 0.00 25 12 48% 8.6
Planetary Grid 301 31 10% 0.00 63 23 37% 8.6
Tic Tac Toe 230 24 10% 0.01 32 17 53% 7.7
Oop 297 31 10% 0.56 67 24 36% 9.3
Subway 57 6 11% 0.86 13 6 46% 8.0
Wire Crossing 303 32 11% 0.02 39 25 64% 6.9
A+B Problem 5340 567 11% 0.03 776 273 35% 8.0
Visitors Train 28 3 11% 0.00 6 2 33% 8.6
Trains 65 7 11% 0.00 12 7 58% 7.5
Barking Up The Wrong Tree 212 23 11% 0.00 25 14 56% 8.6
King of Spades 156 17 11% 3.16 13 9 69% 7.2
Russian Dolls 126 14 11% 0.01 22 11 50% 7.4
Number Anagrams 162 18 11% 0.02 28 15 54% 8.5
Pipes 80 9 11% 0.00 14 7 50% 8.7
Boom! 318 36 11% 0.09 53 22 42% 8.5
Alien Codebreaking 53 6 11% 3.23 15 4 27% 8.6
Sudokunique 758 86 11% 0.01 105 44 42% 8.8
Hubtown 527 60 11% 0.13 79 43 54% 8.1
Easter Eggs 271 31 11% 0.17 25 13 52% 9.0
Simple Polygon 236 27 11% 0.23 43 16 37% 8.7
Area of Effect 87 10 11% 1.93 20 8 40% 8.0
Lemonade Trade 565 65 12% 0.03 108 55 51% 4.9
Magical String 208 24 12% 0.07 24 8 33% 9.4
Haiku Formatting 334 39 12% 0.00 63 31 49% 7.8
Dice and Ladders 85 10 12% 0.01 13 8 62% 8.1
Matchings 406 48 12% 0.13 86 23 27% 9.0
Board Covering 67 8 12% 0.00 28 8 29% 8.4
Bakterije 125 15 12% 0.00 24 12 50% 9.1
New Salaries 173 21 12% 0.05 34 14 41% 6.1
Money for Nothing 2112 257 12% 0.13 243 170 70% 6.1
Basin City Surveillance 755 92 12% 0.00 111 54 49% 8.7
Blazing New Trails 718 88 12% 0.18 135 60 44% 8.1
Wedding 203 25 12% 0.00 25 18 72% 7.5
Bingo Ties 2045 252 12% 0.00 591 212 36% 7.4
Chasing Subs 876 109 12% 0.01 104 53 51% 7.9
Flight Safety 8 1 12% 0.22 3 1 33% 7.1
Fishing Contest 8 1 12% 3.36 2 1 50% 6.5
Fancy Antiques 472 59 12% 0.05 88 44 50% 7.6
Call a Cab 64 8 12% 1.08 12 7 58% 8.6
Barcode 2071 259 13% 0.07 229 153 67% 6.7
Sensor Network 1382 173 13% 0.00 187 117 63% 6.3
Triangular Clouds 119 15 13% 0.45 46 12 26% 8.5
Around the Track 261 33 13% 0.00 52 23 44% 8.5
Canyon Mapping 79 10 13% 0.08 10 6 60% 7.8