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Diamond Sponsors
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Reinardus Pradhitya
Gold Sponsors
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Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
![]() |
842 - Crossword Puzzles | 363 |
27.55%
|
97 |
57.73%
|
|
![]() |
843 - Crypt Kicker | 23662 |
24.06%
|
4756 |
68.36%
|
|
![]() |
845 - Gas Station Numbers | 1931 |
25.95%
|
502 |
68.92%
|
|
![]() |
848 - Fmt | 5645 |
20.81%
|
1194 |
63.40%
|
|
![]() |
850 - Crypt Kicker II | 21603 |
23.44%
|
4767 |
72.73%
|
|
![]() |
851 - Maze | 2372 |
22.98%
|
288 |
53.82%
|
|
![]() |
10008 - What's Cryptanalysis? | 44264 |
57.28%
|
17964 |
94.00%
|
|
![]() |
10009 - All Roads Lead Where? | 15882 |
34.76%
|
4444 |
82.49%
|
|
![]() |
10010 - Where's Waldorf? | 46633 |
32.05%
|
12114 |
82.78%
|
|
![]() |
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
![]() |
10012 - How Big Is It? | 11639 |
30.53%
|
2652 |
70.06%
|
|
![]() |
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
![]() |
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
![]() |
10029 - Edit Step Ladders | 14858 |
22.97%
|
2680 |
64.74%
|
|
![]() |
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
![]() |
10032 - Tug of War | 35889 |
14.21%
|
4987 |
45.70%
|
|
![]() |
10033 - Interpreter | 37850 |
25.23%
|
6966 |
78.24%
|
|
![]() |
10035 - Primary Arithmetic | 149107 |
29.79%
|
33190 |
87.51%
|
|
![]() |
10037 - Bridge | 27537 |
25.24%
|
6054 |
71.37%
|
|
![]() |
10082 - WERTYU | 111199 |
40.74%
|
30950 |
90.72%
|
|
![]() |
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
![]() |
10124 - Subway | 639 |
36.78%
|
282 |
70.21%
|
|
![]() |
10125 - Sumsets | 33602 |
25.12%
|
4714 |
79.49%
|
|
![]() |
10126 - Zipf's Law | 6287 |
23.91%
|
1416 |
61.16%
|
|
![]() |
10135 - Herding Frosh | 4253 |
10.72%
|
761 |
23.39%
|
|
![]() |
10136 - Chocolate Chip Cookies | 4276 |
27.43%
|
882 |
69.39%
|
|
![]() |
10137 - The Trip | 79009 |
22.83%
|
16831 |
69.79%
|
|
![]() |
10138 - CDVII | 8432 |
26.27%
|
1874 |
77.11%
|
|
![]() |
10139 - Factovisors | 40665 |
24.66%
|
8013 |
68.70%
|
|
![]() |
10141 - Request for Proposal | 29776 |
30.32%
|
8053 |
86.18%
|
|
![]() |
10142 - Australian Voting | 54321 |
24.73%
|
6975 |
71.96%
|
|
![]() |
10149 - Yahtzee | 6346 |
35.23%
|
1653 |
77.98%
|
|
![]() |
10150 - Doublets | 21221 |
24.60%
|
3744 |
73.32%
|
|
![]() |
10151 - Spaghetti | 398 |
11.56%
|
104 |
32.69%
|
|
![]() |
10152 - ShellSort | 31713 |
37.75%
|
5812 |
86.27%
|
|
![]() |
10153 - New Horizons | 562 |
11.57%
|
110 |
39.09%
|
|
![]() |
10154 - Weights and Measures | 22799 |
26.90%
|
4368 |
66.94%
|
|
![]() |
10202 - Pairsumonious Numbers | 5080 |
42.99%
|
1839 |
82.22%
|
|
![]() |
10203 - Snow Clearing | 4232 |
27.43%
|
1208 |
66.97%
|
|
![]() |
10204 - Adventures in Moving - Part V | 500 |
17.20%
|
159 |
45.28%
|
|
![]() |
10205 - Stack 'em Up | 19361 |
32.94%
|
5538 |
82.81%
|
|
![]() |
10224 - Return of the Jedi | 670 |
13.88%
|
150 |
44.00%
|
|
![]() |
10225 - Discrete Logging | 1585 |
53.75%
|
557 |
86.71%
|
|
![]() |
10226 - Hardwood Species | 57978 |
31.99%
|
11450 |
83.69%
|
|
![]() |
10227 - Forests | 7169 |
34.54%
|
2101 |
82.82%
|
|
![]() |
10228 - A Star not a Tree? | 7776 |
24.33%
|
1284 |
76.40%
|
|
![]() |
10257 - Dick and Jane | 2924 |
38.10%
|
1075 |
72.56%
|
|
![]() |
10259 - Hippity Hopscotch | 3876 |
36.58%
|
1107 |
80.76%
|
|
![]() |
10260 - Soundex | 21678 |
51.87%
|
9610 |
93.41%
|
|
![]() |
10261 - Ferry Loading | 47362 |
36.61%
|
3474 |
76.86%
|
|
![]() |
10278 - Fire Station | 16655 |
25.46%
|
2963 |
76.44%
|
|
![]() |
10279 - Mine Sweeper | 11281 |
27.52%
|
3143 |
75.76%
|
|
![]() |
10280 - Old Wine Into New Bottles | 2033 |
31.23%
|
471 |
68.58%
|
|
![]() |
10281 - Average Speed | 10682 |
47.15%
|
4544 |
89.48%
|
|
![]() |
10295 - Hay Points | 16734 |
67.49%
|
6242 |
96.22%
|
|
![]() |
10296 - Jogging Trails | 3438 |
38.57%
|
868 |
86.64%
|
|
![]() |
10297 - Beavergnaw | 5047 |
67.17%
|
2875 |
95.37%
|
|
![]() |
10298 - Power Strings | 31335 |
44.44%
|
8962 |
85.66%
|
|
![]() |
10299 - Relatives | 23551 |
32.63%
|
5360 |
78.96%
|
|
![]() |
10310 - Dog and Gopher | 21446 |
29.18%
|
5152 |
84.06%
|
|
![]() |
10315 - Poker Hands | 21136 |
28.71%
|
5284 |
81.62%
|
|
![]() |
10316 - Airline Hub | 2849 |
24.18%
|
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 | 2060 |
30.19%
|
480 |
70.21%
|
|
![]() |
10367 - Equations | 1192 |
25.08%
|
329 |
74.47%
|
|
![]() |
10368 - Euclid's Game | 7735 |
37.12%
|
2653 |
78.78%
|
|
![]() |
10369 - Arctic Network | 21196 |
43.97%
|
5762 |
91.83%
|
|
![]() |
10370 - Above Average | 49865 |
54.67%
|
20955 |
95.23%
|
|
![]() |
10371 - Time Zones | 3604 |
34.57%
|
1031 |
87.00%
|
|
![]() |
10372 - Leaps Tall Buildings (in a single bound) | 761 |
47.17%
|
301 |
78.74%
|
|
![]() |
10373 - The Brick Stops Here | 1261 |
30.77%
|
277 |
75.09%
|
|
![]() |
10374 - Election | 7113 |
27.26%
|
1808 |
76.71%
|
|
![]() |
10375 - Choose and divide | 9908 |
49.74%
|
2542 |
84.07%
|
|
![]() |
10376 - Snakes | 635 |
22.36%
|
183 |
63.39%
|
|
![]() |
10377 - Maze Traversal | 8104 |
37.55%
|
2801 |
83.54%
|
|
![]() |
10379 - Pit Stop Strategy | 360 |
35.00%
|
182 |
56.59%
|
|
![]() |
10385 - Duathlon | 5070 |
30.51%
|
781 |
82.07%
|
|
![]() |
10387 - Billiard | 2425 |
67.84%
|
1340 |
95.30%
|
|
![]() |
10388 - Snap | 2281 |
24.16%
|
562 |
72.06%
|
|
![]() |
10389 - Subway | 4962 |
29.73%
|
977 |
79.94%
|
|
![]() |
10390 - Bean Counting | 1029 |
28.57%
|
371 |
72.51%
|
|
![]() |
10391 - Compound Words | 22822 |
41.16%
|
3842 |
87.06%
|
|
![]() |
10392 - Factoring Large Numbers | 10444 |
49.52%
|
3433 |
90.15%
|
|
![]() |
10397 - Connect the Campus | 18870 |
35.38%
|
3900 |
88.00%
|
|
![]() |
10476 - Spam or Not Spam | 649 |
32.20%
|
198 |
80.30%
|
|
![]() |
10511 - Councilling | 6836 |
25.51%
|
926 |
75.70%
|
|
![]() |
10526 - Intellectual Property | 976 |
29.30%
|
225 |
69.33%
|
|
![]() |
10528 - Major Scales | 3043 |
54.55%
|
1283 |
90.80%
|
|
![]() |
10530 - Guessing Game | 19353 |
37.39%
|
5777 |
90.50%
|
|
![]() |
10550 - Combination Lock | 37047 |
55.35%
|
17140 |
93.02%
|
|
![]() |
10552 - Genealogical Research | 708 |
25.99%
|
240 |
70.83%
|
|
![]() |
10553 - Treasure Map | 1288 |
41.61%
|
363 |
74.66%
|
|
![]() |
10554 - Calories from Fat | 1372 |
64.43%
|
766 |
94.65%
|
|
![]() |
10556 - Biometrics | 893 |
37.51%
|
326 |
77.61%
|
|
![]() |
10557 - XYZZY | 19024 |
25.18%
|
3186 |
79.10%
|
|
![]() |
10621 - Jack and Jill | 985 |
25.79%
|
220 |
70.45%
|
|
![]() |
10622 - Perfect P-th Powers | 21058 |
25.04%
|
3739 |
79.33%
|
|
![]() |
10638 - The Trip II | 578 |
17.13%
|
145 |
51.72%
|
<< Start < Prev 1 2 Next > End >> | ||
Display # | Results 1 - 100 of 139 |