Problems by Johan Sannemo

Name Fastest Shortest Total Acc. Ratio Difficulty Languages
Adding Up the Votes 0.22 2516 125 25 20% 6.9 - 8.6Hard en
Airport Coffee 0.04 647 1465 289 20% 7.0Hard en
Alloys 0.00 26 1503 498 33% 3.8Medium en
Alto Singing 0.00 716 140 54 39% 4.8Medium en
Arboriculture 0.01 1933 64 41 64% 4.6 - 7.8Hard en
Arithmetic Functions 0.00 88 859 525 61% 1.7Easy en
Assassins 0.03 438 614 160 26% 6.9Hard en
A Vicious Pikeman (Easy) 0.00 191 3998 1369 34% 3.0Medium en
A Vicious Pikeman (Hard) 0.01 462 2143 331 15% 8.5Hard en
BAAS 0.01 347 527 217 41% 5.3Medium en
Bazaar 0.01 142 83 41 49% 5.2 - 5.6Hard en
Binary Heap 0.35 164 502 231 46% 1.9Easy en
Bit Game 0.32 778 46 8 17% 7.7Hard en
Bling 0.25 2719 44 3 7% 8.6Hard en
Bonbons 0.01 814 79 27 34% 7.1Hard en
Book Circle 0.01 609 787 240 30% 5.5Hard en
Boom! 0.09 2986 481 45 9% 7.7Hard en
Bus Planning 0.00 1066 642 241 38% 5.0Medium en
Card Magic 0.00 246 761 304 40% 4.0Medium en
Chocolate Division 0.00 54 349 145 42% 2.2Easy en
Cinema Crowds 0.00 116 1329 573 43% 2.3Easy en
Cinema Crowds 2 0.00 96 1041 627 60% 1.9Easy en
Cinema Seating 0.03 392 338 140 41% 3.5Medium en
Closeness Queries 0.12 1251 131 88 67% 3.0 - 8.6Hard en
Closing the Borders 0.00 668 171 37 22% 8.6Hard en
Coffee Cup Combo 0.00 35 1153 714 62% 1.4Easy en
Coin Counter 0.58 2924 38 14 37% 6.7 - 8.7Hard en
Coloring Socks 0.01 179 6941 2202 32% 2.3Easy en
Connect the Dots 0.00 1258 519 47 9% 9.5Hard en
Consulting Gigs 0.02 335 139 59 42% 5.4Medium en sv
Cooking Water 0.00 114 1897 1048 55% 1.9Easy en
Costume Contest 0.00 158 1978 1069 54% 2.0Easy en
Counting Days 0.00 121 166 91 55% 2.6Easy en
Counting Greedily Increasing Supersequences 0.01 165 218 95 44% 6.2Hard en
Coupons 0.04 841 92 16 17% 9.1Hard en
Cucumber Conundrum 0.00 280 131 44 34% 7.2Hard en
Cut in Line 0.00 106 995 683 69% 1.7Easy en
Cyclic Sightseeing 0.00 1136 58 17 29% 7.2Hard en
Dance Pad 0.00 323 47 37 79% 3.1 - 4.0Medium en sv
Dangerous Skiing 0.02 702 473 66 14% 8.8Hard en
Dictionary Compression 0.11 89217 1076 428 40% 3.9 - 9.4Hard en
Digit Swap 0.00 16 7698 4984 65% 1.3Easy en
Disastrous Downfall 0.15 465 233 105 45% 4.4Medium en
Diverse Cookies 0.00 73 100 53 53% 5.4Medium en
Divisor Counts 0.06 114 73 36 49% 5.2Medium en
Divisor Shuffle 0.03 129 81 29 36% 6.0Hard en
Drone Diversion 0.20 3547 71 17 24% 7.9 - 9.0Hard en
Dry Ice Cream 0.00 1861 103 22 21% 8.6Hard en
Dual Divisibility 0.00 63 163 62 38% 3.4Medium en
Enigmatic Enumeration 0.14 912 208 66 32% 4.5Medium en
Entering the Time 0.00 602 576 172 30% 5.2Medium en
Entertaining Excursion 0.01 1960 83 10 12% 7.1Hard en
Eulerian Graphs 0.02 354 211 113 54% 3.2Medium en
Eulerian Graphs 2 0.06 457 296 157 53% 3.4Medium en
Evening Out 1 0.00 50 324 92 28% 4.7Medium en
Evening Out 2 0.00 150 337 62 18% 4.6Medium en
EvenOdd 0.00 341 741 182 25% 6.3Hard en
Factorial Power 0.00 377 52 21 40% 6.3Hard en
Falling Snow 0.01 907 223 39 17% 7.5Hard en
Fancy Fence 0.13 1026 191 52 27% 8.8Hard en
Fancy Fence (easy) 0.01 1085 106 29 27% 7.1Hard en
Fire Exits 0.01 2051 25 5 20% 6.8Hard en
Fishing Contest 0.77 4762 152 4 3% 9.2Hard en
FizzBuzz 0.00 215 846 399 47% 3.0Medium en sv
Forest Construction 0.00 641 158 35 22% 7.0Hard en
Fractal Tree 0.14 2424 329 46 14% 7.3Hard en
Fuzzy Family Tree 0.03 469 44 20 45% 4.1 - 4.7Medium en
GCD 0.00 34 641 332 52% 1.8Easy en
GCD and LCM 0.02 276 81 26 32% 4.4Medium en
GCD Sum 0.00 755 77 7 9% 8.4Hard en
Generalized Knights 0.00 1437 4 1 25% 6.7Hard en
Genetik 0.06 304 2338 2275 97% 1.3 - 7.3Hard de en et is ja lt lv no pl ru sv
Get-Rich-Quick Schemes 0.04 1349 39 22 56% 6.7Hard en
Goofy Geometry 0.00 269 741 195 26% 5.2Medium en
Grading 0.00 58 2790 1662 60% 1.6Easy en
Greedily Increasing Subsequence 0.02 121 5852 2834 48% 2.2Easy en
Greedy Cows 0.00 1273 161 21 13% 8.1Hard en
Guessing Circle 0.02 1778 21 5 24% 7.4Hard en
Haiku 0.00 438 490 156 32% 5.6Hard en
Hailstone Sequences 0.00 61 1171 597 51% 1.8Easy en
Halloween Loot 0.00 391 342 100 29% 6.0Hard en
Hanging Out on the Terrace 0.00 73 8875 4977 56% 1.6Easy en
Hermits 0.01 224 1305 413 32% 3.3Medium en
Hide and Seek 0.00 1019 145 27 19% 8.1Hard en
Highest Hill 0.01 259 866 285 33% 3.9Medium en
High Score 0.00 307 2083 476 23% 5.9Hard en
Horse in Ambush 0.00 411 170 16 9% 9.4Hard en
Hubtown 0.13 1830 724 118 16% 8.2Hard en
Icy Itinerary 0.15 540 197 41 21% 7.3Hard en
#include<scoring> 0.00 468 3691 643 17% 4.4Medium en
Infinite Slides 0.00 241 191 105 55% 3.2Medium en
Inheritance 0.00 148 60 35 58% 4.2Medium en
Interactive Tic-Tac-Toe 0.00 1157 148 134 91% 2.1 - 6.4Hard en sv
Inverse Totient 0.50 2526 34 3 9% 7.2Hard en
IsItHalloween.com 0.00 33 16750 8997 54% 1.5Easy en
Job DNA 0.85 1610 333 161 48% 4.6 - 8.4Hard en sv
Job Switching 0.01 188 706 345 49% 2.5Easy en sv
Just a Minute 0.00 84 6217 2789 45% 1.8Easy en
Keep Calm And Carry Off 0.01 579 560 125 22% 7.0Hard en
Knight Packing 0.00 32 746 566 76% 1.4Easy en