Browse Problems 
Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
--- YOUR NAME HERE ----
Silver Sponsors
--- YOUR NAME HERE ----
Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Contribute
Bitcoin:
1ojudgeapLUjJcnUm
ze67a4w3TJ6WnPxo
Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
842 - Crossword Puzzles | 365 |
27.95%
|
99 |
58.59%
|
|
|
843 - Crypt Kicker | 23847 |
24.10%
|
4765 |
68.37%
|
|
|
|
845 - Gas Station Numbers | 1931 |
25.95%
|
502 |
68.92%
|
|
|
|
848 - Fmt | 5652 |
20.79%
|
1195 |
63.35%
|
|
|
|
850 - Crypt Kicker II | 21619 |
23.47%
|
4772 |
72.78%
|
|
|
|
851 - Maze | 2382 |
23.05%
|
288 |
54.51%
|
|
|
|
10008 - What's Cryptanalysis? | 44629 |
57.34%
|
18036 |
94.02%
|
|
|
|
10009 - All Roads Lead Where? | 15936 |
34.78%
|
4455 |
82.49%
|
|
|
|
10010 - Where's Waldorf? | 46740 |
32.05%
|
12138 |
82.79%
|
|
|
|
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
|
|
10012 - How Big Is It? | 11805 |
30.82%
|
2659 |
70.10%
|
|
|
|
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
|
|
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
|
|
10029 - Edit Step Ladders | 14975 |
23.09%
|
2691 |
64.73%
|
|
|
|
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
|
|
10032 - Tug of War | 35929 |
14.23%
|
4993 |
45.74%
|
|
|
|
10033 - Interpreter | 37860 |
25.24%
|
6969 |
78.25%
|
|
|
|
10035 - Primary Arithmetic | 149932 |
29.84%
|
33324 |
87.55%
|
|
|
|
10037 - Bridge | 27588 |
25.28%
|
6062 |
71.40%
|
|
|
|
10082 - WERTYU | 111508 |
40.75%
|
31008 |
90.71%
|
|
|
|
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
|
|
10124 - Subway | 643 |
37.01%
|
283 |
70.67%
|
|
|
|
10125 - Sumsets | 33812 |
25.18%
|
4742 |
79.54%
|
|
|
|
10126 - Zipf's Law | 6348 |
24.01%
|
1423 |
61.35%
|
|
|
|
10135 - Herding Frosh | 4253 |
10.72%
|
761 |
23.39%
|
|
|
|
10136 - Chocolate Chip Cookies | 4281 |
27.45%
|
885 |
69.38%
|
|
|
|
10137 - The Trip | 79105 |
22.84%
|
16850 |
69.79%
|
|
|
|
10138 - CDVII | 8451 |
26.30%
|
1877 |
77.14%
|
|
|
|
10139 - Factovisors | 40785 |
24.73%
|
8035 |
68.76%
|
|
|
|
10141 - Request for Proposal | 29852 |
30.32%
|
8071 |
86.20%
|
|
|
|
10142 - Australian Voting | 54367 |
24.74%
|
6984 |
71.98%
|
|
|
|
10149 - Yahtzee | 6362 |
35.24%
|
1657 |
78.03%
|
|
|
|
10150 - Doublets | 21297 |
24.62%
|
3756 |
73.38%
|
|
|
|
10151 - Spaghetti | 398 |
11.56%
|
104 |
32.69%
|
|
|
|
10152 - ShellSort | 31742 |
37.76%
|
5821 |
86.26%
|
|
|
|
10153 - New Horizons | 562 |
11.57%
|
110 |
39.09%
|
|
|
|
10154 - Weights and Measures | 22817 |
26.91%
|
4370 |
66.96%
|
|
|
|
10202 - Pairsumonious Numbers | 5098 |
42.94%
|
1842 |
82.25%
|
|
|
|
10203 - Snow Clearing | 4270 |
27.47%
|
1210 |
67.02%
|
|
|
|
10204 - Adventures in Moving - Part V | 500 |
17.20%
|
159 |
45.28%
|
|
|
|
10205 - Stack 'em Up | 19378 |
32.95%
|
5542 |
82.82%
|
|
|
|
10224 - Return of the Jedi | 677 |
14.33%
|
156 |
44.87%
|
|
|
|
10225 - Discrete Logging | 1591 |
53.87%
|
558 |
86.74%
|
|
|
|
10226 - Hardwood Species | 58552 |
31.99%
|
11488 |
83.72%
|
|
|
|
10227 - Forests | 7176 |
34.57%
|
2103 |
82.83%
|
|
|
|
10228 - A Star not a Tree? | 8058 |
24.17%
|
1310 |
76.41%
|
|
|
|
10257 - Dick and Jane | 2936 |
38.22%
|
1081 |
72.62%
|
|
|
|
10259 - Hippity Hopscotch | 3881 |
36.59%
|
1109 |
80.79%
|
|
|
|
10260 - Soundex | 21709 |
51.87%
|
9622 |
93.40%
|
|
|
|
10261 - Ferry Loading | 47471 |
36.60%
|
3480 |
76.84%
|
|
|
|
10278 - Fire Station | 16680 |
25.51%
|
2969 |
76.49%
|
|
|
|
10279 - Mine Sweeper | 11333 |
27.53%
|
3148 |
75.79%
|
|
|
|
10280 - Old Wine Into New Bottles | 2033 |
31.23%
|
471 |
68.58%
|
|
|
|
10281 - Average Speed | 10705 |
47.13%
|
4550 |
89.47%
|
|
|
|
10295 - Hay Points | 17029 |
67.51%
|
6323 |
96.22%
|
|
|
|
10296 - Jogging Trails | 3487 |
38.60%
|
869 |
86.65%
|
|
|
|
10297 - Beavergnaw | 5048 |
67.18%
|
2876 |
95.38%
|
|
|
|
10298 - Power Strings | 31692 |
44.65%
|
9071 |
85.78%
|
|
|
|
10299 - Relatives | 23670 |
32.64%
|
5377 |
78.95%
|
|
|
|
10310 - Dog and Gopher | 21473 |
29.17%
|
5155 |
84.07%
|
|
|
|
10315 - Poker Hands | 21153 |
28.71%
|
5289 |
81.62%
|
|
|
|
10316 - Airline Hub | 2851 |
24.17%
|
636 |
73.43%
|
|
|
|
10317 - Equating Equations | 2674 |
14.70%
|
523 |
36.52%
|
|
|
|
10362 - Trains | 1369 |
16.87%
|
204 |
61.76%
|
|
|
|
10365 - Blocks | 4379 |
57.98%
|
2093 |
93.41%
|
|
|
|
10366 - Faucet Flow | 2062 |
30.21%
|
481 |
70.27%
|
|
|
|
10367 - Equations | 1195 |
25.02%
|
330 |
74.24%
|
|
|
|
10368 - Euclid's Game | 7756 |
37.12%
|
2660 |
78.76%
|
|
|
|
10369 - Arctic Network | 21333 |
43.97%
|
5783 |
91.82%
|
|
|
|
10370 - Above Average | 50256 |
54.62%
|
20972 |
95.23%
|
|
|
|
10371 - Time Zones | 3656 |
34.55%
|
1032 |
87.02%
|
|
|
|
10372 - Leaps Tall Buildings (in a single bound) | 761 |
47.17%
|
301 |
78.74%
|
|
|
|
10373 - The Brick Stops Here | 1267 |
30.70%
|
278 |
75.18%
|
|
|
|
10374 - Election | 7117 |
27.24%
|
1810 |
76.63%
|
|
|
|
10375 - Choose and divide | 9931 |
49.75%
|
2547 |
84.10%
|
|
|
|
10376 - Snakes | 635 |
22.36%
|
183 |
63.39%
|
|
|
|
10377 - Maze Traversal | 8109 |
37.56%
|
2804 |
83.56%
|
|
|
|
10379 - Pit Stop Strategy | 360 |
35.00%
|
182 |
56.59%
|
|
|
|
10385 - Duathlon | 5092 |
30.48%
|
783 |
82.12%
|
|
|
|
10387 - Billiard | 2426 |
67.85%
|
1340 |
95.30%
|
|
|
|
10388 - Snap | 2357 |
23.93%
|
576 |
72.05%
|
|
|
|
10389 - Subway | 5007 |
29.82%
|
979 |
79.98%
|
|
|
|
10390 - Bean Counting | 1029 |
28.57%
|
371 |
72.51%
|
|
|
|
10391 - Compound Words | 22959 |
41.21%
|
3877 |
87.10%
|
|
|
|
10392 - Factoring Large Numbers | 10455 |
49.55%
|
3436 |
90.16%
|
|
|
|
10397 - Connect the Campus | 18891 |
35.41%
|
3905 |
88.02%
|
|
|
|
10476 - Spam or Not Spam | 649 |
32.20%
|
198 |
80.30%
|
|
|
|
10511 - Councilling | 6837 |
25.52%
|
927 |
75.73%
|
|
|
|
10526 - Intellectual Property | 982 |
29.43%
|
227 |
69.60%
|
|
|
|
10528 - Major Scales | 3046 |
54.56%
|
1285 |
90.82%
|
|
|
|
10530 - Guessing Game | 19425 |
37.35%
|
5784 |
90.51%
|
|
|
|
10550 - Combination Lock | 37192 |
55.36%
|
17165 |
93.03%
|
|
|
|
10552 - Genealogical Research | 710 |
26.20%
|
241 |
70.95%
|
|
|
|
10553 - Treasure Map | 1290 |
41.71%
|
364 |
74.73%
|
|
|
|
10554 - Calories from Fat | 1372 |
64.43%
|
766 |
94.65%
|
|
|
|
10556 - Biometrics | 893 |
37.51%
|
326 |
77.61%
|
|
|
|
10557 - XYZZY | 19044 |
25.19%
|
3190 |
79.06%
|
|
|
|
10621 - Jack and Jill | 987 |
25.73%
|
222 |
69.82%
|
|
|
|
10622 - Perfect P-th Powers | 21116 |
25.04%
|
3753 |
79.32%
|
|
|
|
10638 - The Trip II | 582 |
17.53%
|
146 |
52.05%
|
|
| << Start < Prev 1 2 Next > End >> | ||
| Display # | Results 1 - 100 of 139 | |