Problems

 RSS feed for new problems
Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Матрёшка 825 293 36% 0.07 247 200 81% 4.3
Zuma 75 29 39% 0.00 29 19 66% 7.1
Zoning Houses 1164 361 31% 0.09 249 178 71% 6.6
Zoning 482 199 41% 0.07 192 153 80% 4.7
Znanstvenik 669 304 45% 0.01 215 187 87% 3.9
Zipline 2520 805 32% 0.00 763 616 81% 3.4
Zipf's Song 1346 383 28% 0.01 343 246 72% 4.3
Zipf's Law 1648 408 25% 0.01 299 224 75% 5.6
Zig Zag Nametag 1000 409 41% 0.00 414 351 85% 3.7
Zigzag 656 236 36% 0.02 209 166 79% 5.0
Zgodan 79 28 35% 0.00 41 28 68% 6.8
Zerg Rush!!! 103 12 12% 0.28 16 10 62% 7.6
Zebras and Ocelots 2157 740 34% 0.00 741 642 87% 3.3
Zbrka 259 117 45% 0.02 104 88 85% 5.7
Zapis 493 157 32% 0.00 122 106 87% 4.6
Zamka 11335 6682 59% 0.00 6205 5989 97% 1.4
Zagrade 1137 418 37% 0.00 393 346 88% 3.2
Žabe 64 7 11% 0.00 13 6 46% 8.7
Zabava 350 133 38% 0.01 109 93 85% 4.5
Yoda 4684 2146 46% 0.00 2013 1820 90% 2.1
Yin and Yang Stones 2915 1848 63% 0.00 1672 1560 93% 1.7
Yikes - Bikes! 355 64 18% 0.00 101 53 52% 8.3
Yet Satisfiability Again! 1574 502 32% 0.00 345 298 86% 3.8
Yes, Yes, It's Nonograms 71 22 31% 0.01 22 16 73% 7.5
YATP 500 180 36% 0.48 131 98 75% 4.3
XYZZY 1895 322 17% 0.01 286 199 70% 6.9
Xtreme Driving 82 25 30% 0.00 30 25 83% 5.3
X-ray spectrum 192 46 24% 0.00 47 41 87% 5.4
Xortris 346 98 28% 0.00 104 82 79% 5.5
XOR Sequences 345 133 39% 0.00 112 91 81% 4.5
Xor Maximization 534 164 31% 0.00 128 96 75% 6.7
XOR Equation 373 122 33% 0.02 114 89 78% 5.5
Worst Weather Ever 1228 199 16% 0.02 196 116 59% 7.7
Wormholes 355 71 20% 0.00 67 36 54% 8.2
Work Reduction 959 280 29% 0.01 216 163 75% 5.4
Workout for a Dumbbell 656 218 33% 0.00 214 166 78% 5.5
Working at the Restaurant 2242 642 29% 0.01 584 466 80% 4.3
WordSpin 294 83 28% 0.06 88 68 77% 5.2
Words for Numbers 1922 763 40% 0.00 748 666 89% 2.5
Word Ladder 430 108 25% 0.00 114 84 74% 6.8
Word Equations 131 28 21% 0.05 39 25 64% 7.6
Word Clouds Revisited 273 132 48% 0.00 143 113 79% 5.0
Word Cloud 789 412 52% 0.00 400 369 92% 2.3
Wooden Signs 504 194 38% 0.01 93 84 90% 2.5
Wooden Crates 148 12 8% 0.22 30 10 33% 9.4
Wood Cutting 2726 1064 39% 0.01 860 746 87% 2.7
Wolf 434 141 32% 0.00 154 131 85% 4.9
Wizard of Odds 1510 630 42% 0.00 634 552 87% 2.7
Wizard Dance 171 35 20% 0.06 33 26 79% 6.7
Within Arm's Reach 192 35 18% 0.00 49 32 65% 8.5
Witchwood 270 79 29% 0.00 63 56 89% 4.5
Witch Dance 100 14 14% 0.28 13 9 69% 7.3
Wiseguy 50 27 54% 0.00 18 12 67% 6.5
Wireless is the New Fiber 1061 420 40% 0.01 371 332 89% 3.1
Wire Crossing 327 37 11% 0.02 45 30 67% 6.6
Wipe Your Whiteboards 300 77 26% 0.00 99 71 72% 5.5
Winter Roads 215 29 13% 0.23 29 16 55% 8.3
Winter Festival 47 18 38% 0.07 25 16 64% 6.8
Winning the Vote 80 19 24% 0.01 21 15 71% 7.2
Winning Streak 615 121 20% 0.13 116 72 62% 5.4
Windy Path 158 48 30% 0.00 62 39 63% 7.2
Window Manager 600 123 20% 0.00 130 99 76% 7.6
Wimbledon 116 51 44% 0.00 48 43 90% 5.2
Wi Know 1270 390 31% 0.03 190 147 77% 5.3
Wi-Fi 1982 486 25% 0.02 289 242 84% 4.3
Who Wants to Live Forever? 251 30 12% 0.01 55 27 49% 7.1
Who's the Boss? 135 57 42% 0.02 51 39 76% 5.5
Who owns the Amiga? 209 42 20% 0.00 41 23 56% 8.7
White Water Rafting 1563 632 40% 0.00 453 388 86% 3.2
Whiteboard 227 71 31% 0.41 86 62 72% 7.3
Which Base is it Anyway? 1828 747 41% 0.00 692 617 89% 2.4
Where to Live? 634 228 36% 0.01 192 154 80% 4.3
Where's My Internet?? 11787 3401 29% 0.02 2475 1950 79% 4.4
Where Have You Bin? 139 51 37% 0.00 36 34 94% 4.9
When Planetoids Align 191 51 27% 0.11 45 33 73% 6.0
Wheels 524 176 34% 0.01 164 140 85% 4.0
Wheel Game 134 18 13% 0.00 19 15 79% 6.7
What's on the Grille? 1444 415 29% 0.00 441 374 85% 3.8
What's In It For Me? 184 58 32% 0.00 61 51 84% 4.5
What Really Happened on Mars? 215 58 27% 0.00 61 47 77% 6.4
What does the fox say? 7948 3466 44% 0.00 3141 2844 91% 2.2
What Does It Mean? 2124 584 27% 0.00 530 397 75% 5.3
Whac-a-Mole 1015 253 25% 0.02 155 118 76% 6.1
WFF 'N PROOF 402 180 45% 0.00 181 161 89% 2.9
Wet Tiles 630 280 44% 0.04 290 243 84% 3.6
WERTYU 3899 1077 28% 0.00 1067 901 84% 3.0
Welcome to Code Jam (Hard) 1187 496 42% 0.00 480 393 82% 4.6
Welcome to Code Jam (Easy) 1768 942 53% 0.00 774 718 93% 2.1
Weird Flecks, But OK 108 59 55% 0.01 52 42 81% 6.4
Weightlifting 152 62 41% 0.00 44 39 89% 5.1
Wedding 330 62 19% 0.00 51 37 73% 7.4
Weather Report 370 239 65% 0.01 228 202 89% 3.4
Weak Vertices 4450 2864 64% 0.00 2321 2215 95% 1.5
Watersheds 111 61 55% 0.00 59 54 92% 3.2
Watering Grass 3853 799 21% 0.02 569 432 76% 5.2
Water 291 125 43% 0.02 101 91 90% 3.1
Watch Where You Step 876 214 24% 0.06 157 96 61% 7.3
Watch Out For Those Hailstones! 1682 409 24% 0.00 423 321 76% 3.1
Watch Later 347 77 22% 0.23 95 48 51% 7.7
Watchdog 651 360 55% 0.00 310 294 95% 2.0