Problems by Johan Sannemo

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Airport Coffee 1553 305 20% 0.04 293 198 68% 7.0
Alloys 1157 395 34% 0.00 421 346 82% 3.8
Alto Singing 139 55 40% 0.00 55 50 91% 3.8
Arboriculture 65 41 63% 0.00 22 20 91% 4.5 - 7.8
Arithmetic Functions 651 397 61% 0.00 403 381 95% 1.7
Assassins 420 155 37% 0.03 151 107 71% 5.3
A Vicious Pikeman (Easy) 4086 1426 35% 0.00 1113 987 89% 2.9
A Vicious Pikeman (Hard) 2231 342 15% 0.01 395 204 52% 8.4
BAAS 489 211 43% 0.01 141 115 82% 5.0
Binary Heap 190 79 42% 0.38 30 25 83% 3.2
Bling 36 3 8% 0.25 8 2 25% 8.2
Bonbons 63 25 40% 0.01 32 21 66% 7.5
Book Circle 769 246 32% 0.01 211 179 85% 5.3
Boom! 472 45 10% 0.09 63 27 43% 8.8
Bus Planning 732 274 37% 0.00 175 142 81% 4.8
Card Magic 709 287 40% 0.00 231 201 87% 3.8
Cinema Crowds 881 414 47% 0.00 399 372 93% 2.2
Cinema Crowds 2 792 490 62% 0.00 472 450 95% 1.8
Cinema Seating 271 116 43% 0.03 106 98 92% 2.8
Closing the Borders 174 38 22% 0.00 51 30 59% 8.5
Coin Counter 35 13 37% 0.06 15 5 33% 7.3 - 8.6
Coloring Socks 6677 2192 33% 0.01 1729 1562 90% 2.2
Connect the Dots 486 50 10% 0.00 110 34 31% 9.5
Consulting Gigs 118 54 46% 0.02 53 44 83% 6.0
Cooking Water 1739 1000 58% 0.00 936 878 94% 1.8
Costume Contest 1894 1027 54% 0.00 997 926 93% 1.8
Counting Days 120 67 56% 0.00 67 64 96% 2.5
Counting Greedily Increasing Supersequences 252 108 43% 0.01 74 65 88% 6.3
Coupons 93 16 17% 0.04 20 9 45% 9.1
Cucumber Conundrum 136 45 33% 0.00 57 40 70% 7.0
Cut in Line 513 371 72% 0.00 323 314 97% 1.8
Cyclic Sightseeing 59 17 29% 0.00 16 12 75% 7.2
Dangerous Skiing 477 69 14% 0.02 70 45 64% 8.8
Dictionary Compression 1019 399 39% 0.00 130 101 78% 3.5 - 9.0
Digit Swap 4313 2901 67% 0.00 2841 2728 96% 1.3
Disastrous Downfall 240 106 44% 0.15 76 64 84% 4.6
Diverse Cookies 88 45 51% 0.00 51 41 80% 6.4
Dry Ice Cream 106 23 22% 0.00 27 14 52% 8.6
Entering the Time 599 193 32% 0.00 199 157 79% 5.1
Entertaining Excursion 84 10 12% 0.01 9 6 67% 7.1
Eulerian Graphs 180 102 57% 0.02 85 76 89% 3.3
Eulerian Graphs 2 265 144 54% 0.06 44 39 89% 4.3
EvenOdd 778 196 25% 0.00 292 169 58% 6.2
Falling Snow 224 39 17% 0.01 42 29 69% 7.4
Fancy Fence 192 51 27% 0.13 45 21 47% 8.9
Fancy Fence (easy) 105 27 26% 0.01 22 17 77% 7.1
Fishing Contest 135 4 3% 0.77 26 4 15% 9.1
FizzBuzz 548 289 53% 0.01 286 252 88% 2.8
Forest Construction 160 36 22% 0.00 36 28 78% 6.9
Fractal Tree 330 46 14% 0.14 56 34 61% 8.3
Genetik 2175 2119 97% 0.00 307 307 100% 1.3 - 7.3
Get-Rich-Quick Schemes 40 22 55% 0.04 18 12 67% 6.7
Goofy Geometry 712 200 28% 0.00 137 104 76% 5.1
Grading 2200 1333 61% 0.00 1297 1243 96% 1.5
Greedily Increasing Subsequence 5557 2745 49% 0.02 2228 2039 92% 2.0
Greedy Cows 166 22 13% 0.00 28 16 57% 8.5
Guessing Circle 23 6 26% 0.02 10 6 60% 7.4
Haiku 422 148 35% 0.00 137 108 79% 5.2
Hailstone Sequences 704 421 60% 0.00 418 394 94% 1.8
Halloween Loot 341 99 29% 0.00 101 80 79% 6.2
Hanging Out on the Terrace 8387 4745 57% 0.00 4503 4321 96% 1.6
Hermits 815 252 31% 0.01 263 198 75% 3.6
Hide and Seek 142 26 18% 0.00 37 24 65% 8.3
High Score 2355 534 23% 0.00 493 369 75% 5.6
Horse in Ambush 196 17 9% 0.00 46 15 33% 9.4
Hubtown 802 131 16% 0.13 120 73 61% 8.2
#include<scoring> 3627 632 17% 0.00 501 414 83% 4.2
Infinite Slides 187 106 57% 0.00 90 85 94% 3.2
IsItHalloween.com 15078 8272 55% 0.00 7761 7476 96% 1.3
Job DNA 212 128 60% 0.04 36 31 86% 4.9 - 7.4
Job Switching 437 213 49% 0.01 205 179 87% 2.5
Just a Minute 5852 2654 45% 0.00 2469 2348 95% 1.7
Keep Calm And Carry Off 835 196 23% 0.01 180 121 67% 6.9
Logic Functions 519 315 61% 0.00 317 307 97% 1.6
Logland 371 121 33% 0.02 106 84 79% 5.8
Mårten's Theorem 2047 534 26% 0.02 246 158 64% 6.8
Massive Card Game 522 227 43% 0.04 159 139 87% 2.9
Mate in One 42 11 26% 0.00 9 8 89% 4.5
Ministry of Magic 442 130 29% 0.06 121 93 77% 6.6
Mixing Drinks 105 40 38% 0.02 43 34 79% 6.9
nnnnn 2695 311 12% 0.01 359 151 42% 8.4
N-sum 4618 2919 63% 0.00 2822 2707 96% 1.4
Odd A's, Even B's 214 93 43% 0.00 88 77 88% 4.8
Odd Echo 7597 4088 54% 0.00 3931 3682 94% 1.3
Östgötska 2914 1381 47% 0.00 1349 1272 94% 1.7
Paint Buckets 172 74 43% 0.09 69 55 80% 4.6
Pairing Socks 4427 1816 41% 0.01 1471 1302 89% 2.5
Pitch Performance 89 30 34% 0.00 33 28 85% 5.4
Pokémon Ice Maze 336 90 27% 0.10 97 68 70% 8.0
Popularity Contest 553 423 76% 0.01 288 280 97% 1.7
Problem Classification 1464 602 41% 0.00 528 475 90% 2.9
Reactivity Series 1543 669 43% 0.01 515 451 88% 3.6
Sequential Manufacturing 412 238 58% 0.00 208 194 93% 2.7
Short Sell 659 294 45% 0.00 239 200 84% 4.2
Solving for Carrots 43642 27959 64% 0.00 24729 23801 96% 1.3
Speaking of Which 288 73 25% 0.00 84 63 75% 7.0
String Hashing 2677 429 16% 0.06 257 176 68% 7.3
Teacher Evaluation 1384 480 35% 0.00 508 437 86% 2.9
The Apple Game 79 35 44% 0.00 33 18 55% 7.7 - 8.6
Tom and Jerry 419 86 21% 0.00 103 68 66% 7.9