Problems

 RSS feed for new problems
Submissions Users
Name Total Acc. Ratio Fastest Total Acc.   Ratio Difficulty
Bar Code 0 0 -- -- 0 0 -- 5.5
Symmetric Polynomials 13 1 8% 0.03 3 1 33% 7.3
Substitution Mania! 5 1 20% 2.62 2 1 50% 5.9
Pseudo-random Numbers 11 1 9% 0.07 4 1 25% 6.5
MC Part Deux 16 1 6% 0.00 3 1 33% 6.7
Kattis' Little Helpers 14 1 7% 0.98 7 1 14% 7.9
Holiday Stars 24 5 21% 0.03 2 1 50% 6.4
Histogrami 99 1 1% 0.10 7 1 14% 8.5
Fishing Contest 19 1 5% 3.36 5 1 20% 7.4
Bona Fide 15 2 13% 0.88 3 1 33% 7.4
Ball Tricks 62 2 3% 0.30 2 1 50% 8.0
Visitors Train 28 3 11% 0.00 6 2 33% 8.6
Tournament 21 2 10% 1.00 5 2 40% 7.8
Ranklist Sorting 29 2 7% 0.01 8 2 25% 8.0
Old School Days 45 2 4% 0.07 9 2 22% 8.6
Odometer Analysis 31 2 6% 0.00 7 2 29% 8.7
Ice Cream 51 2 4% 0.47 5 2 40% 7.6
Flight Safety 10 2 20% 0.12 4 2 50% 7.0
Flatland Fidget Spinner 33 2 6% 0.31 4 2 50% 6.9
Enjoying Elderberries 4 4 100% 0.25 2 2 100% 6.3
Climbing 26 2 8% 0.11 7 2 29% 7.8
Bridge Builders 5 2 40% 0.22 5 2 40% 6.8
Bats! 6 2 33% 0.03 6 2 33% 6.7
Tenkici 8 4 50% 0.01 3 3 100% 5.8
Tantrix 4 4 100% 0.01 3 3 100% 5.3
Swish 10 5 50% 0.34 3 3 100% 5.3
Structural Equivalence 13 3 23% 0.00 5 3 60% 6.0
Sightseeing Tour 11 3 27% 0.01 5 3 60% 6.9
Police 50 4 8% 0.19 7 3 43% 6.6
Pedal Power 3 3 100% 0.13 3 3 100% 5.2
Maze 26 3 12% 0.28 4 3 75% 6.5
JezzBall 17 3 18% 0.28 5 3 60% 6.9
Cellular Merging 42 7 17% 0.01 6 3 50% 7.5
Brownie Points II 27 4 15% 0.29 7 3 43% 7.1
A Royal Problem 22 6 27% 0.73 4 3 75% 6.1
Žabe 57 5 9% 0.00 9 4 44% 8.4
Wiseguy 12 4 33% 0.00 8 4 50% 7.5
Walk 23 4 17% 0.02 6 4 67% 7.2
Type Charts 57 4 7% 0.29 11 4 36% 8.8
Tree Hugging 18 4 22% 0.13 7 4 57% 7.9
The Brick Stops Here 40 5 12% 0.55 8 4 50% 7.8
Stack Machine 33 7 21% 0.02 7 4 57% 6.8
Saskatchewan 17 5 29% 0.10 7 4 57% 6.9
Return of the Jedi 17 6 35% 0.00 6 4 67% 6.2
Prison Rearrangement 7 4 57% 0.53 5 4 80% 6.0
Physiognomy 9 4 44% 0.94 6 4 67% 6.6
Pharmacy 5 4 80% 0.05 4 4 100% 5.2
Moveable maze 65 6 9% 0.01 7 4 57% 7.2
Mountainous Landscape 19 4 21% 0.60 7 4 57% 7.5
Manhattan Shopping 23 6 26% 0.20 5 4 80% 6.3
Kabobs 34 6 18% 1.73 10 4 40% 8.4
How Big Are the Pockets? 24 4 17% 0.01 6 4 67% 7.0
Hopper 116 8 7% 1.37 24 4 17% 9.2
Holmes 72 27 38% 0.17 7 4 57% 7.2
#exclude<scoring> 51 4 8% 0.07 9 4 44% 8.4
Entertaining Excursion 42 4 10% 0.01 6 4 67% 7.0
Enigma 42 4 10% 0.00 8 4 50% 7.5
Enclosure 50 4 8% 0.07 8 4 50% 7.7
Coupons 24 4 17% 0.14 8 4 50% 7.9
Chuck 12 4 33% 0.01 5 4 80% 5.9
Blokovi 18 5 28% 0.02 8 4 50% 6.2
Alien Codebreaking 131 6 5% 3.23 18 4 22% 8.9
Zerg Rush!!! 30 6 20% 0.58 9 5 56% 8.1
Train Tickets 29 6 21% 0.24 10 5 50% 8.1
Train Delays 13 6 46% 0.01 6 5 83% 5.9
Ticket to Ride 18 5 28% 0.00 7 5 71% 5.4
Striker-Count 80 35 44% 0.07 9 5 56% 7.6
Saturn Bees 36 7 19% 0.00 14 5 36% 8.3
San 23 7 30% 0.85 9 5 56% 7.3
Plankton Food 30 5 17% 0.95 8 5 62% 6.6
PermRLE 26 5 19% 0.50 10 5 50% 6.9
Pegs 17 6 35% 0.16 9 5 56% 7.2
Jus Accrescendi 22 6 27% 0.02 7 5 71% 6.8
Ideas 50 6 12% 0.18 9 5 56% 7.4
Hearthbreakers 92 7 8% 0.09 5 5 100% 5.7
Habeas Corpus 15 6 40% 0.00 5 5 100% 4.9
Green Eggs and Ham 55 5 9% 0.01 11 5 45% 8.2
Gas Station Numbers 35 5 14% 0.00 10 5 50% 8.4
Equinumerous 32 5 16% 0.41 9 5 56% 6.2
Dance Reconstruction (Hard) 12 5 42% 0.00 6 5 83% 6.4
City Tour 42 7 17% 0.02 7 5 71% 6.7
Catmas Gifts 28 6 21% 0.00 8 5 62% 7.6
Bus Schedules 19 5 26% 0.16 9 5 56% 6.5
Bowser's Pipes 13 6 46% 0.01 6 5 83% 5.4
Attendance 18 5 28% 0.63 8 5 62% 6.5
Virus Synthesis 30 7 23% 0.07 16 6 38% 7.4
Triplet-Free Queens 27 8 30% 1.09 9 6 67% 7.5
Subway 57 6 11% 0.86 13 6 46% 8.0
Social Resistance 47 12 26% 0.00 6 6 100% 5.0
Ski Resort 111 8 7% 0.36 10 6 60% 5.9
Shopping Plan 22 8 36% 0.01 12 6 50% 7.9
Seven Kingdoms 34 6 18% 0.24 10 6 60% 7.0
Rocket Stages 67 6 9% 0.07 12 6 50% 7.0
Polyomino Powers 13 8 62% 0.01 8 6 75% 5.5
Planete 67 6 9% 0.04 11 6 55% 6.2
Periodni 8 6 75% 0.00 7 6 86% 5.3
Palačinke 24 8 33% 0.05 7 6 86% 5.9
Out of Context 27 9 33% 0.07 10 6 60% 7.0
Little Toys 31 7 23% 0.02 6 6 100% 4.8
Kamioni 18 6 33% 0.27 7 6 86% 5.6