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 | 366 |
27.87%
|
100 |
58.00%
|
|
|
843 - Crypt Kicker | 24010 |
24.12%
|
4794 |
68.44%
|
|
|
|
845 - Gas Station Numbers | 1941 |
25.91%
|
504 |
68.85%
|
|
|
|
848 - Fmt | 6070 |
19.64%
|
1247 |
61.35%
|
|
|
|
850 - Crypt Kicker II | 21937 |
23.90%
|
4910 |
73.50%
|
|
|
|
851 - Maze | 2385 |
23.10%
|
290 |
54.48%
|
|
|
|
10008 - What's Cryptanalysis? | 45600 |
57.54%
|
18242 |
94.08%
|
|
|
|
10009 - All Roads Lead Where? | 15980 |
34.81%
|
4465 |
82.51%
|
|
|
|
10010 - Where's Waldorf? | 47362 |
32.41%
|
12370 |
83.09%
|
|
|
|
10011 - Where Can You Hide? | 4243 |
10.70%
|
618 |
40.78%
|
|
|
|
10012 - How Big Is It? | 11921 |
30.90%
|
2681 |
70.27%
|
|
|
|
10027 - Language Cardinality | 2604 |
13.59%
|
516 |
52.13%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15011 |
23.14%
|
2700 |
64.78%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36129 |
14.31%
|
5020 |
46.00%
|
|
|
|
10033 - Interpreter | 38667 |
25.56%
|
7192 |
78.66%
|
|
|
|
10035 - Primary Arithmetic | 152379 |
30.04%
|
33740 |
87.68%
|
|
|
|
10037 - Bridge | 27869 |
25.45%
|
6144 |
71.66%
|
|
|
|
10082 - WERTYU | 112570 |
40.88%
|
31315 |
90.76%
|
|
|
|
10084 - Hotter Colder | 2264 |
36.53%
|
592 |
75.00%
|
|
|
|
10124 - Subway | 652 |
36.96%
|
287 |
70.73%
|
|
|
|
10125 - Sumsets | 34258 |
25.33%
|
4807 |
79.68%
|
|
|
|
10126 - Zipf's Law | 6434 |
24.17%
|
1438 |
61.61%
|
|
|
|
10135 - Herding Frosh | 4297 |
10.77%
|
766 |
23.50%
|
|
|
|
10136 - Chocolate Chip Cookies | 4328 |
27.63%
|
895 |
69.61%
|
|
|
|
10137 - The Trip | 79723 |
22.92%
|
17011 |
69.97%
|
|
|
|
10138 - CDVII | 8585 |
26.57%
|
1916 |
77.51%
|
|
|
|
10139 - Factovisors | 41049 |
24.80%
|
8079 |
68.88%
|
|
|
|
10141 - Request for Proposal | 29949 |
30.32%
|
8095 |
86.16%
|
|
|
|
10142 - Australian Voting | 54750 |
24.81%
|
7053 |
72.14%
|
|
|
|
10149 - Yahtzee | 6705 |
34.45%
|
1735 |
77.46%
|
|
|
|
10150 - Doublets | 21505 |
24.78%
|
3819 |
73.53%
|
|
|
|
10151 - Spaghetti | 445 |
13.26%
|
111 |
34.23%
|
|
|
|
10152 - ShellSort | 32075 |
37.69%
|
5897 |
86.21%
|
|
|
|
10153 - New Horizons | 569 |
12.13%
|
116 |
40.52%
|
|
|
|
10154 - Weights and Measures | 22878 |
26.96%
|
4384 |
67.04%
|
|
|
|
10202 - Pairsumonious Numbers | 5191 |
43.13%
|
1874 |
82.28%
|
|
|
|
10203 - Snow Clearing | 4335 |
27.75%
|
1219 |
67.19%
|
|
|
|
10204 - Adventures in Moving - Part V | 693 |
12.84%
|
179 |
41.90%
|
|
|
|
10205 - Stack 'em Up | 19839 |
33.42%
|
5755 |
83.35%
|
|
|
|
10224 - Return of the Jedi | 692 |
15.03%
|
158 |
44.94%
|
|
|
|
10225 - Discrete Logging | 1598 |
53.88%
|
561 |
86.45%
|
|
|
|
10226 - Hardwood Species | 59899 |
32.30%
|
11683 |
83.93%
|
|
|
|
10227 - Forests | 7400 |
34.77%
|
2118 |
82.81%
|
|
|
|
10228 - A Star not a Tree? | 8116 |
24.17%
|
1314 |
76.33%
|
|
|
|
10257 - Dick and Jane | 2958 |
38.24%
|
1085 |
72.63%
|
|
|
|
10259 - Hippity Hopscotch | 3898 |
36.69%
|
1119 |
80.79%
|
|
|
|
10260 - Soundex | 21925 |
52.08%
|
9648 |
93.41%
|
|
|
|
10261 - Ferry Loading | 47579 |
36.61%
|
3489 |
76.84%
|
|
|
|
10278 - Fire Station | 16977 |
25.79%
|
2988 |
76.57%
|
|
|
|
10279 - Mine Sweeper | 11417 |
27.52%
|
3159 |
75.85%
|
|
|
|
10280 - Old Wine Into New Bottles | 2059 |
31.08%
|
477 |
68.34%
|
|
|
|
10281 - Average Speed | 10729 |
47.13%
|
4558 |
89.45%
|
|
|
|
10295 - Hay Points | 17260 |
67.68%
|
6377 |
96.24%
|
|
|
|
10296 - Jogging Trails | 3499 |
38.50%
|
872 |
86.47%
|
|
|
|
10297 - Beavergnaw | 5057 |
67.17%
|
2882 |
95.35%
|
|
|
|
10298 - Power Strings | 31995 |
44.85%
|
9131 |
85.84%
|
|
|
|
10299 - Relatives | 23900 |
32.63%
|
5409 |
78.96%
|
|
|
|
10310 - Dog and Gopher | 21529 |
29.19%
|
5168 |
84.09%
|
|
|
|
10315 - Poker Hands | 21675 |
29.27%
|
5523 |
82.29%
|
|
|
|
10316 - Airline Hub | 2856 |
24.26%
|
641 |
73.48%
|
|
|
|
10317 - Equating Equations | 2691 |
14.75%
|
526 |
36.50%
|
|
|
|
10362 - Trains | 1383 |
16.85%
|
211 |
60.66%
|
|
|
|
10365 - Blocks | 4465 |
58.28%
|
2124 |
93.46%
|
|
|
|
10366 - Faucet Flow | 2093 |
30.72%
|
488 |
70.29%
|
|
|
|
10367 - Equations | 1206 |
25.29%
|
334 |
73.95%
|
|
|
|
10368 - Euclid's Game | 7810 |
37.12%
|
2676 |
78.77%
|
|
|
|
10369 - Arctic Network | 21617 |
44.12%
|
5822 |
91.81%
|
|
|
|
10370 - Above Average | 50564 |
54.62%
|
20994 |
95.22%
|
|
|
|
10371 - Time Zones | 3663 |
34.62%
|
1037 |
86.98%
|
|
|
|
10372 - Leaps Tall Buildings (in a single bound) | 766 |
47.26%
|
304 |
78.62%
|
|
|
|
10373 - The Brick Stops Here | 1272 |
30.90%
|
281 |
75.09%
|
|
|
|
10374 - Election | 7453 |
27.43%
|
1815 |
76.64%
|
|
|
|
10375 - Choose and divide | 9954 |
49.80%
|
2554 |
84.10%
|
|
|
|
10376 - Snakes | 638 |
22.57%
|
186 |
63.44%
|
|
|
|
10377 - Maze Traversal | 8183 |
37.59%
|
2810 |
83.56%
|
|
|
|
10379 - Pit Stop Strategy | 371 |
36.12%
|
186 |
56.45%
|
|
|
|
10385 - Duathlon | 5138 |
30.67%
|
788 |
82.11%
|
|
|
|
10387 - Billiard | 2436 |
67.90%
|
1346 |
95.25%
|
|
|
|
10388 - Snap | 2473 |
23.90%
|
602 |
71.93%
|
|
|
|
10389 - Subway | 5067 |
29.78%
|
984 |
79.88%
|
|
|
|
10390 - Bean Counting | 1035 |
28.79%
|
376 |
72.61%
|
|
|
|
10391 - Compound Words | 23100 |
41.22%
|
3899 |
87.07%
|
|
|
|
10392 - Factoring Large Numbers | 10507 |
49.66%
|
3441 |
90.12%
|
|
|
|
10397 - Connect the Campus | 19090 |
35.38%
|
3913 |
87.99%
|
|
|
|
10476 - Spam or Not Spam | 663 |
32.58%
|
204 |
79.41%
|
|
|
|
10511 - Councilling | 6895 |
25.45%
|
938 |
75.48%
|
|
|
|
10526 - Intellectual Property | 997 |
28.99%
|
229 |
69.00%
|
|
|
|
10528 - Major Scales | 3053 |
54.60%
|
1291 |
90.78%
|
|
|
|
10530 - Guessing Game | 19446 |
37.38%
|
5792 |
90.50%
|
|
|
|
10550 - Combination Lock | 37689 |
55.28%
|
17252 |
93.03%
|
|
|
|
10552 - Genealogical Research | 715 |
26.57%
|
245 |
71.02%
|
|
|
|
10553 - Treasure Map | 1293 |
41.76%
|
366 |
74.59%
|
|
|
|
10554 - Calories from Fat | 1373 |
64.38%
|
767 |
94.52%
|
|
|
|
10556 - Biometrics | 903 |
37.65%
|
331 |
77.34%
|
|
|
|
10557 - XYZZY | 19220 |
25.23%
|
3197 |
79.07%
|
|
|
|
10621 - Jack and Jill | 990 |
25.86%
|
224 |
69.64%
|
|
|
|
10622 - Perfect P-th Powers | 21195 |
25.02%
|
3761 |
79.31%
|
|
|
|
10638 - The Trip II | 583 |
17.50%
|
147 |
51.70%
|
|
| << Start < Prev 1 2 Next > End >> | ||
| Display # | Results 1 - 100 of 139 | |