Problems by Johan Sannemo

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Airport Coffee 1438 285 20% 0.04 270 186 69% 7.0
Alloys 1000 353 35% 0.00 370 307 83% 3.8
Alto Singing 96 42 44% 0.00 43 40 93% 4.4
Arboriculture 64 41 64% 0.00 21 20 95% 4.5 - 7.8
Arithmetic Functions 372 225 60% 0.00 230 215 93% 1.7
Assassins 418 153 37% 0.03 149 105 70% 5.3
A Vicious Pikeman (Easy) 3607 1265 35% 0.00 995 883 89% 2.8
A Vicious Pikeman (Hard) 2089 317 15% 0.01 367 195 53% 8.3
BAAS 480 206 43% 0.01 136 111 82% 5.0
Binary Heap 112 42 38% 0.38 16 12 75% 5.5
Bling 35 3 9% 0.25 7 2 29% 8.2
Bonbons 62 25 40% 0.01 31 21 68% 7.5
Book Circle 748 235 31% 0.01 201 169 84% 5.4
Boom! 471 45 10% 0.09 62 27 44% 8.8
Bus Planning 722 271 38% 0.00 170 140 82% 4.4
Card Magic 660 271 41% 0.00 221 193 87% 3.8
Cinema Crowds 339 177 52% 0.00 184 167 91% 2.5
Cinema Crowds 2 446 290 65% 0.00 276 267 97% 1.7
Cinema Seating 163 90 55% 0.03 83 76 92% 3.2
Closing the Borders 173 38 22% 0.00 50 30 60% 8.5
Coin Counter 24 13 54% 0.06 13 5 38% 6.8 - 8.3
Coloring Socks 6184 1996 32% 0.01 1605 1446 90% 2.2
Connect the Dots 283 48 17% 0.00 100 32 32% 9.5
Consulting Gigs 117 54 46% 0.02 52 44 85% 6.0
Cooking Water 1614 917 57% 0.00 854 800 94% 1.9
Costume Contest 1796 967 54% 0.00 940 873 93% 1.8
Counting Days 94 50 53% 0.00 49 47 96% 3.0
Counting Greedily Increasing Supersequences 224 103 46% 0.01 65 60 92% 5.1
Coupons 92 16 17% 0.04 19 9 47% 9.1
Cucumber Conundrum 135 45 33% 0.00 56 40 71% 6.9
Cut in Line 178 152 85% 0.00 138 134 97% 1.9
Cyclic Sightseeing 58 17 29% 0.00 15 12 80% 7.2
Dangerous Skiing 470 68 14% 0.02 68 44 65% 8.8
Dictionary Compression 921 355 39% 0.00 117 90 77% 3.8 - 9.4
Digit Swap 2345 1744 74% 0.00 1701 1640 96% 1.3
Disastrous Downfall 220 98 45% 0.15 69 58 84% 5.1
Diverse Cookies 86 45 52% 0.00 49 41 84% 6.2
Dry Ice Cream 105 23 22% 0.00 26 14 54% 8.6
Entering the Time 589 189 32% 0.00 195 153 78% 5.2
Entertaining Excursion 83 10 12% 0.01 8 6 75% 7.1
Eulerian Graphs 89 42 47% 0.03 39 32 82% 3.8
Eulerian Graphs 2 226 127 56% 0.06 26 24 92% 3.9
EvenOdd 725 190 26% 0.00 274 165 60% 6.0
Falling Snow 220 38 17% 0.01 40 28 70% 7.8
Fancy Fence 185 47 25% 0.13 42 20 48% 8.7
Fancy Fence (easy) 104 27 26% 0.01 21 17 81% 7.1
Fishing Contest 129 4 3% 0.77 24 4 17% 9.1
FizzBuzz 472 254 54% 0.01 245 221 90% 2.6
Forest Construction 159 36 23% 0.00 35 28 80% 6.8
Fractal Tree 327 45 14% 0.14 53 33 62% 8.3
Genetik 2088 2032 97% 0.00 294 294 100% 1.3 - 7.1
Get-Rich-Quick Schemes 39 22 56% 0.04 17 12 71% 6.7
Goofy Geometry 700 199 28% 0.00 134 103 77% 4.6
Grading 1077 715 66% 0.00 703 679 97% 1.3
Greedily Increasing Subsequence 5298 2601 49% 0.02 2103 1924 91% 2.1
Greedy Cows 153 22 14% 0.00 25 16 64% 7.6
Guessing Circle 20 5 25% 0.02 8 5 62% 7.6
Haiku 347 126 36% 0.00 119 99 83% 4.7
Hailstone Sequences 486 288 59% 0.00 287 269 94% 1.8
Halloween Loot 325 90 28% 0.00 93 72 77% 6.6
Hanging Out on the Terrace 7842 4447 57% 0.00 4273 4103 96% 1.6
Hermits 486 114 23% 0.01 160 101 63% 5.3
Hide and Seek 141 26 18% 0.00 36 24 67% 8.3
High Score 2274 512 23% 0.00 480 360 75% 5.5
Horse in Ambush 195 17 9% 0.00 45 15 33% 9.4
Hubtown 800 130 16% 0.13 118 72 61% 8.1
#include<scoring> 3543 610 17% 0.00 475 397 84% 4.0
Infinite Slides 184 103 56% 0.00 87 82 94% 3.2
IsItHalloween.com 13417 7441 55% 0.00 7018 6762 96% 1.3
Job DNA 199 127 64% 0.04 33 30 91% 4.7 - 7.2
Job Switching 401 197 49% 0.01 185 165 89% 2.4
Just a Minute 5506 2485 45% 0.00 2316 2206 95% 1.7
Keep Calm And Carry Off 738 170 23% 0.02 158 105 66% 6.6
Logic Functions 220 146 66% 0.00 148 143 97% 1.5
Logland 341 116 34% 0.02 100 80 80% 5.6
Mårten's Theorem 1576 393 25% 0.02 227 142 63% 7.0
Massive Card Game 156 73 47% 0.04 47 39 83% 4.4
Mate in One 9 6 67% 0.00 6 6 100% 4.5
Ministry of Magic 429 128 30% 0.06 117 91 78% 6.4
Mixing Drinks 93 36 39% 0.02 37 30 81% 6.9
nnnnn 2643 308 12% 0.01 350 149 43% 8.4
N-sum 2602 1842 71% 0.00 1753 1702 97% 1.2
Odd A's, Even B's 130 67 52% 0.00 63 58 92% 4.1
Odd Echo 3914 2257 58% 0.00 2201 2076 94% 1.3
Östgötska 2646 1259 48% 0.00 1229 1158 94% 1.7
Paint Buckets 165 70 42% 0.09 64 51 80% 4.8
Pairing Socks 4010 1633 41% 0.01 1323 1168 88% 2.6
Pitch Performance 88 30 34% 0.00 32 28 88% 5.4
Pokémon Ice Maze 335 89 27% 0.10 96 67 70% 7.9
Popularity Contest 228 179 79% 0.01 145 142 98% 1.8
Problem Classification 1355 564 42% 0.00 492 442 90% 3.0
Reactivity Series 1439 617 43% 0.01 467 407 87% 3.7
Sequential Manufacturing 229 141 62% 0.00 123 113 92% 3.2
Short Sell 612 270 44% 0.00 225 188 84% 4.3
Solving for Carrots 41147 26313 64% 0.00 23246 22362 96% 1.3
Speaking of Which 278 68 24% 0.00 78 58 74% 7.0
String Hashing 2564 401 16% 0.06 246 165 67% 7.5
Teacher Evaluation 1207 430 36% 0.00 454 389 86% 3.0
The Apple Game 76 34 45% 0.00 31 17 55% 7.7 - 8.8
Tom and Jerry 308 70 23% 0.00 88 57 65% 7.7