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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 | 365 |
27.95%
|
99 |
58.59%
|
|
![]() |
843 - Crypt Kicker | 23840 |
24.09%
|
4764 |
68.37%
|
|
![]() |
845 - Gas Station Numbers | 1931 |
25.95%
|
502 |
68.92%
|
|
![]() |
848 - Fmt | 5646 |
20.81%
|
1195 |
63.35%
|
|
![]() |
850 - Crypt Kicker II | 21619 |
23.47%
|
4772 |
72.78%
|
|
![]() |
851 - Maze | 2377 |
23.10%
|
288 |
54.51%
|
|
![]() |
10008 - What's Cryptanalysis? | 44552 |
57.32%
|
18022 |
94.01%
|
|
![]() |
10009 - All Roads Lead Where? | 15906 |
34.78%
|
4450 |
82.49%
|
|
![]() |
10010 - Where's Waldorf? | 46730 |
32.05%
|
12133 |
82.79%
|
|
![]() |
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
![]() |
10012 - How Big Is It? | 11799 |
30.80%
|
2656 |
70.11%
|
|
![]() |
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
![]() |
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
![]() |
10029 - Edit Step Ladders | 14967 |
23.10%
|
2689 |
64.78%
|
|
![]() |
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
![]() |
10032 - Tug of War | 35912 |
14.22%
|
4990 |
45.71%
|
|
![]() |
10033 - Interpreter | 37859 |
25.23%
|
6968 |
78.24%
|
|
![]() |
10035 - Primary Arithmetic | 149782 |
29.82%
|
33265 |
87.52%
|
|
![]() |
10037 - Bridge | 27580 |
25.28%
|
6061 |
71.39%
|
|
![]() |
10082 - WERTYU | 111447 |
40.75%
|
30999 |
90.71%
|
|
![]() |
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
![]() |
10124 - Subway | 643 |
37.01%
|
283 |
70.67%
|
|
![]() |
10125 - Sumsets | 33760 |
25.16%
|
4736 |
79.54%
|
|
![]() |
10126 - Zipf's Law | 6326 |
24.00%
|
1421 |
61.29%
|
|
![]() |
10135 - Herding Frosh | 4253 |
10.72%
|
761 |
23.39%
|
|
![]() |
10136 - Chocolate Chip Cookies | 4279 |
27.44%
|
884 |
69.34%
|
|
![]() |
10137 - The Trip | 79092 |
22.84%
|
16848 |
69.79%
|
|
![]() |
10138 - CDVII | 8446 |
26.30%
|
1876 |
77.13%
|
|
![]() |
10139 - Factovisors | 40768 |
24.72%
|
8031 |
68.75%
|
|
![]() |
10141 - Request for Proposal | 29852 |
30.32%
|
8071 |
86.20%
|
|
![]() |
10142 - Australian Voting | 54362 |
24.74%
|
6982 |
71.97%
|
|
![]() |
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 | 31741 |
37.76%
|
5820 |
86.25%
|
|
![]() |
10153 - New Horizons | 562 |
11.57%
|
110 |
39.09%
|
|
![]() |
10154 - Weights and Measures | 22816 |
26.91%
|
4369 |
66.95%
|
|
![]() |
10202 - Pairsumonious Numbers | 5098 |
42.94%
|
1842 |
82.25%
|
|
![]() |
10203 - Snow Clearing | 4253 |
27.42%
|
1209 |
67.00%
|
|
![]() |
10204 - Adventures in Moving - Part V | 500 |
17.20%
|
159 |
45.28%
|
|
![]() |
10205 - Stack 'em Up | 19374 |
32.96%
|
5541 |
82.82%
|
|
![]() |
10224 - Return of the Jedi | 677 |
14.33%
|
156 |
44.87%
|
|
![]() |
10225 - Discrete Logging | 1589 |
53.81%
|
557 |
86.71%
|
|
![]() |
10226 - Hardwood Species | 58496 |
31.96%
|
11487 |
83.72%
|
|
![]() |
10227 - Forests | 7176 |
34.57%
|
2103 |
82.83%
|
|
![]() |
10228 - A Star not a Tree? | 8048 |
24.19%
|
1308 |
76.45%
|
|
![]() |
10257 - Dick and Jane | 2936 |
38.22%
|
1081 |
72.62%
|
|
![]() |
10259 - Hippity Hopscotch | 3881 |
36.59%
|
1109 |
80.79%
|
|
![]() |
10260 - Soundex | 21701 |
51.88%
|
9619 |
93.42%
|
|
![]() |
10261 - Ferry Loading | 47468 |
36.60%
|
3479 |
76.83%
|
|
![]() |
10278 - Fire Station | 16659 |
25.48%
|
2965 |
76.46%
|
|
![]() |
10279 - Mine Sweeper | 11308 |
27.55%
|
3147 |
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 | 16994 |
67.49%
|
6305 |
96.23%
|
|
![]() |
10296 - Jogging Trails | 3457 |
38.56%
|
869 |
86.65%
|
|
![]() |
10297 - Beavergnaw | 5048 |
67.18%
|
2876 |
95.38%
|
|
![]() |
10298 - Power Strings | 31667 |
44.62%
|
9059 |
85.76%
|
|
![]() |
10299 - Relatives | 23663 |
32.64%
|
5376 |
78.94%
|
|
![]() |
10310 - Dog and Gopher | 21467 |
29.18%
|
5154 |
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 | 7754 |
37.10%
|
2659 |
78.75%
|
|
![]() |
10369 - Arctic Network | 21319 |
43.93%
|
5782 |
91.82%
|
|
![]() |
10370 - Above Average | 49978 |
54.71%
|
20972 |
95.23%
|
|
![]() |
10371 - Time Zones | 3632 |
34.50%
|
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 | 8108 |
37.56%
|
2803 |
83.55%
|
|
![]() |
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 | 2341 |
24.01%
|
572 |
72.20%
|
|
![]() |
10389 - Subway | 5007 |
29.82%
|
979 |
79.98%
|
|
![]() |
10390 - Bean Counting | 1029 |
28.57%
|
371 |
72.51%
|
|
![]() |
10391 - Compound Words | 22910 |
41.18%
|
3869 |
87.10%
|
|
![]() |
10392 - Factoring Large Numbers | 10449 |
49.55%
|
3434 |
90.16%
|
|
![]() |
10397 - Connect the Campus | 18887 |
35.41%
|
3904 |
88.01%
|
|
![]() |
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 | 19424 |
37.35%
|
5784 |
90.51%
|
|
![]() |
10550 - Combination Lock | 37182 |
55.35%
|
17161 |
93.03%
|
|
![]() |
10552 - Genealogical Research | 710 |
26.20%
|
241 |
70.95%
|
|
![]() |
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 | 19044 |
25.19%
|
3190 |
79.06%
|
|
![]() |
10621 - Jack and Jill | 986 |
25.76%
|
221 |
70.14%
|
|
![]() |
10622 - Perfect P-th Powers | 21111 |
25.04%
|
3751 |
79.31%
|
|
![]() |
10638 - The Trip II | 582 |
17.53%
|
146 |
52.05%
|
<< Start < Prev 1 2 Next > End >> | ||
Display # | Results 1 - 100 of 139 |