Problems by Johan Sannemo

Name Fastest Total Acc. Ratio Difficulty
Airport Coffee 0.04 1560 306 20% 7hard
Alloys 0.00 1168 399 34% 3.7medium
Alto Singing 0.00 139 55 40% 3.9medium
Arboriculture 0.00 65 41 63% 4.5 - 7.8hard
Arithmetic Functions 0.00 682 423 62% 1.7easy
Assassins 0.03 420 155 37% 5.3medium
A Vicious Pikeman (Easy) 0.00 4132 1437 35% 2.8medium
A Vicious Pikeman (Hard) 0.01 2241 342 15% 8.4hard
BAAS 0.01 490 212 43% 5medium
Binary Heap 0.38 190 79 42% 4medium
Bling 0.25 36 3 8% 8.2hard
Bonbons 0.01 63 25 40% 7.5hard
Book Circle 0.01 769 246 32% 5.3medium
Boom! 0.09 472 45 10% 8.7hard
Bus Planning 0.00 738 274 37% 4.9medium
Card Magic 0.00 713 288 40% 3.8medium
Cinema Crowds 0.00 907 429 47% 2.2easy
Cinema Crowds 2 0.00 813 505 62% 1.8easy
Cinema Seating 0.03 277 119 43% 3medium
Closing the Borders 0.00 174 38 22% 8.5hard
Coin Counter 0.06 35 13 37% 7.3 - 8.6hard
Coloring Socks 0.01 6801 2227 33% 2.2easy
Connect the Dots 0.00 487 50 10% 9.5hard
Consulting Gigs 0.02 118 54 46% 6hard
Cooking Water 0.00 1783 1017 57% 1.8easy
Costume Contest 0.00 1919 1042 54% 1.8easy
Counting Days 0.00 142 70 49% 3.2medium
Counting Greedily Increasing Supersequences 0.01 253 108 43% 6.4hard
Coupons 0.04 93 16 17% 9.1hard
Cucumber Conundrum 0.00 136 45 33% 7hard
Cut in Line 0.00 556 399 72% 1.8easy
Cyclic Sightseeing 0.00 59 17 29% 7.2hard
Dangerous Skiing 0.02 477 69 14% 8.8hard
Dictionary Compression 0.00 1023 403 39% 3.4 - 9.1hard
Digit Swap 0.00 4729 3233 68% 1.3easy
Disastrous Downfall 0.15 240 106 44% 4.6medium
Diverse Cookies 0.00 88 45 51% 6.4hard
Dry Ice Cream 0.00 106 23 22% 8.6hard
Entering the Time 0.00 599 193 32% 5.1medium
Entertaining Excursion 0.01 84 10 12% 7.1hard
Eulerian Graphs 0.02 194 102 53% 3.7medium
Eulerian Graphs 2 0.06 265 144 54% 4.3medium
EvenOdd 0.00 779 197 25% 6.1hard
Falling Snow 0.01 224 39 17% 7.4hard
Fancy Fence 0.13 193 51 26% 8.9hard
Fancy Fence (easy) 0.01 105 27 26% 7.1hard
Fishing Contest 0.77 135 4 3% 9.1hard
FizzBuzz 0.01 560 298 53% 2.8medium
Forest Construction 0.00 160 36 22% 6.9hard
Fractal Tree 0.14 331 47 14% 8.1hard
Fuzzy Family Tree 0.33 3 2 67% 5.79999999858hard
Genetik 0.00 2243 2183 97% 1.3 - 7.3hard
Get-Rich-Quick Schemes 0.04 40 22 55% 6.7hard
Goofy Geometry 0.00 712 200 28% 5.1medium
Grading 0.00 2276 1378 61% 1.5easy
Greedily Increasing Subsequence 0.02 5602 2769 49% 2easy
Greedy Cows 0.00 166 22 13% 8.5hard
Guessing Circle 0.02 23 6 26% 7.4hard
Haiku 0.00 424 148 35% 5.3medium
Hailstone Sequences 0.00 748 449 60% 1.8easy
Halloween Loot 0.00 341 99 29% 6.2hard
Hanging Out on the Terrace 0.00 8552 4838 57% 1.6easy
Hermits 0.01 817 253 31% 3.6medium
Hide and Seek 0.00 142 26 18% 8.3hard
High Score 0.00 2375 541 23% 5.5hard
Horse in Ambush 0.00 203 17 8% 9.4hard
Hubtown 0.13 802 131 16% 8.2hard
#include<scoring> 0.00 3641 634 17% 4.3medium
Infinite Slides 0.00 187 106 57% 3.2medium
IsItHalloween.com 0.00 15237 8355 55% 1.4easy
Job DNA 0.04 302 159 53% 4.5 - 8.0hard
Job Switching 0.01 444 218 49% 2.5easy
Just a Minute 0.00 5886 2666 45% 1.7easy
Keep Calm And Carry Off 0.01 853 198 23% 6.9hard
Logic Functions 0.00 538 330 61% 1.6easy
Logland 0.02 373 123 33% 5.7hard
Marathon 0.05 4 1 25% 5.2medium
Mårten's DFS 0.58 7 3 43% 5.29999999853medium
Mårten's Theorem 0.02 2153 597 28% 6.8hard
Massive Card Game 0.04 563 249 44% 2.9medium
Mate in One 0.00 42 11 26% 4.5medium
Maximum Clique 0.00 4 2 50% 5.79999999858hard
Minimal Fibonacci Sums 0.00 10 5 50% 4.4medium
Ministry of Magic 0.06 449 131 29% 6.6hard
Mixing Drinks 0.02 105 40 38% 6.9hard
nnnnn 0.01 2700 312 12% 8.4hard
N-sum 0.00 5159 3230 63% 1.3easy
Odd A's, Even B's 0.00 215 94 44% 4.8medium
Odd Echo 0.00 7984 4293 54% 1.29999999813easy
Östgötska 0.00 3010 1428 47% 1.7easy
Paint Buckets 0.09 173 75 43% 4.5medium
Pairing Socks 0.01 4519 1851 41% 2.4easy
Pitch Performance 0.00 89 30 34% 5.3medium
Pokémon Ice Maze 0.10 336 90 27% 8hard
Popularity Contest 0.01 579 446 77% 1.7easy
Problem Classification 0.00 1466 604 41% 2.9medium
Reactivity Series 0.01 1563 676 43% 3.6medium
Sailing Friends 0.07 11 4 36% 4.7medium
Sequential Manufacturing 0.00 416 242 58% 2.7easy
Short Sell 0.00 662 296 45% 4.2medium