Problems by Johan Sannemo

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Airport Coffee 1381 281 20% 0.04 260 184 71% 6.8
Alloys 926 331 36% 0.00 347 287 83% 4.0
Alto Singing 95 41 43% 0.00 42 39 93% 4.4
Arboriculture 64 41 64% 0.00 21 20 95% 4.5 - 7.7
Arithmetic Functions 97 59 61% 0.00 57 55 96% 2.4
Assassins 417 153 37% 0.03 148 105 71% 5.3
A Vicious Pikeman (Easy) 3337 1142 34% 0.00 888 786 89% 2.9
A Vicious Pikeman (Hard) 2026 301 15% 0.01 347 186 54% 8.2
BAAS 460 192 42% 0.01 125 102 82% 5.5
Binary Heap 20 8 40% 0.41 8 7 88% 5.3
Bling 35 3 9% 0.25 7 2 29% 8.2
Bonbons 62 25 40% 0.01 31 21 68% 7.4
Book Circle 718 233 32% 0.01 198 167 84% 5.2
Boom! 470 44 9% 0.09 62 27 44% 8.7
Bus Planning 697 262 38% 0.00 167 138 83% 4.5
Card Magic 621 256 41% 0.00 203 180 89% 3.7
Cinema Crowds 89 50 56% 0.00 52 50 96% 2.7
Cinema Crowds 2 97 71 73% 0.00 69 66 96% 2.0
Cinema Seating 36 25 69% 0.03 23 21 91% 3.6
Closing the Borders 173 38 22% 0.00 50 30 60% 8.4
Coin Counter 23 13 57% 0.06 12 5 42% 6.4 - 8.0
Coloring Socks 6024 1934 32% 0.01 1557 1400 90% 2.2
Connect the Dots 278 47 17% 0.00 97 31 32% 9.5
Consulting Gigs 113 52 46% 0.02 50 42 84% 6.0
Cooking Water 1510 857 57% 0.00 802 752 94% 1.9
Costume Contest 1693 904 53% 0.00 883 818 93% 1.9
Counting Days 46 22 48% 0.00 22 21 95% 3.4
Counting Greedily Increasing Supersequences 224 103 46% 0.01 65 60 92% 5.1
Coupons 92 16 17% 0.04 19 9 47% 9.0
Cucumber Conundrum 135 45 33% 0.00 56 40 71% 6.9
Cut in Line 73 67 92% 0.00 60 59 98% 2.1
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 854 323 38% 0.00 116 90 78% 3.7 - 9.6
Digit Swap 905 642 71% 0.00 630 602 96% 1.3
Disastrous Downfall 208 87 42% 0.15 69 58 84% 4.8
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 580 185 32% 0.00 190 149 78% 5.2
Entertaining Excursion 63 5 8% 0.01 7 5 71% 7.0
Eulerian Graphs 49 20 41% 0.03 24 17 71% 5.5
Eulerian Graphs 2 33 13 39% 0.06 13 11 85% 5.6
EvenOdd 654 162 25% 0.00 240 137 57% 6.8
Falling Snow 205 36 18% 0.01 38 26 68% 8.2
Fancy Fence 185 47 25% 0.13 42 20 48% 8.8
Fancy Fence (easy) 104 27 26% 0.01 21 17 81% 7.1
Fishing Contest 81 4 5% 0.77 19 4 21% 8.9
FizzBuzz 392 213 54% 0.01 207 189 91% 2.6
Forest Construction 159 36 23% 0.00 35 28 80% 6.8
Fractal Tree 327 45 14% 0.14 53 33 62% 8.2
Genetik 1953 1902 97% 0.00 278 278 100% 1.3 - 7.0
Get-Rich-Quick Schemes 39 22 56% 0.04 17 12 71% 6.7
Goofy Geometry 688 198 29% 0.00 133 102 77% 4.6
Grading 318 222 70% 0.00 222 215 97% 1.4
Greedily Increasing Subsequence 5017 2465 49% 0.02 1994 1827 92% 2.0
Greedy Cows 153 22 14% 0.00 25 16 64% 7.6
Guessing Circle 20 5 25% 0.02 8 5 62% 7.5
Haiku 345 124 36% 0.00 117 97 83% 4.8
Hailstone Sequences 238 145 61% 0.00 151 141 93% 1.7
Halloween Loot 318 90 28% 0.00 92 72 78% 6.2
Hanging Out on the Terrace 7661 4322 56% 0.00 4178 4010 96% 1.6
Hermits 446 94 21% 0.01 140 83 59% 5.7
Hide and Seek 141 26 18% 0.00 36 24 67% 8.3
High Score 2174 486 22% 0.00 459 342 75% 5.5
Horse in Ambush 191 17 9% 0.00 44 15 34% 9.1
Hubtown 800 130 16% 0.13 118 72 61% 8.0
#include<scoring> 3530 605 17% 0.00 470 393 84% 4.0
Infinite Slides 183 102 56% 0.00 86 81 94% 3.3
IsItHalloween.com 12452 6913 56% 0.00 6521 6277 96% 1.4
Job DNA 195 126 65% 0.04 32 29 91% 4.5 - 7.1
Job Switching 317 179 56% 0.01 161 150 93% 2.0
Just a Minute 5330 2393 45% 0.00 2227 2122 95% 1.7
Keep Calm And Carry Off 728 167 23% 0.02 155 103 66% 6.5
Logic Functions 47 37 79% 0.00 38 37 97% 2.6
Logland 329 113 34% 0.02 97 77 79% 5.8
Mårten's Theorem 1546 382 25% 0.02 221 136 62% 7.1
Massive Card Game 113 43 38% 0.04 33 26 79% 5.3
Mate in One 4 2 50% 0.00 2 2 100% 5.4
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 2618 305 12% 0.01 345 146 42% 8.4
N-sum 776 586 76% 0.00 585 569 97% 1.3
Odd A's, Even B's 46 28 61% 0.00 25 24 96% 3.1
Odd Echo 513 357 70% 0.00 360 342 95% 1.4
Östgötska 2522 1199 48% 0.00 1174 1105 94% 1.8
Paint Buckets 161 66 41% 0.09 62 49 79% 5.0
Pairing Socks 3665 1515 41% 0.01 1209 1066 88% 2.6
Pitch Performance 84 29 35% 0.00 31 27 87% 5.4
Pokémon Ice Maze 329 88 27% 0.10 95 67 71% 7.7
Popularity Contest 71 62 87% 0.01 49 49 100% 2.0
Problem Classification 1318 550 42% 0.00 479 428 89% 3.1
Reactivity Series 1416 606 43% 0.01 460 398 87% 3.9
Sequential Manufacturing 218 133 61% 0.00 116 106 91% 3.3
Short Sell 597 260 44% 0.00 216 179 83% 4.3
Solving for Carrots 39819 25434 64% 0.00 22475 21612 96% 1.3
Speaking of Which 278 68 24% 0.00 78 58 74% 7.0
String Hashing 2475 383 15% 0.06 234 154 66% 7.5
Teacher Evaluation 1158 408 35% 0.00 432 370 86% 3.0
The Apple Game 74 34 46% 0.00 29 17 59% 7.3 - 8.6
Tom and Jerry 291 65 22% 0.00 79 54 68% 7.8