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
Browse Problems
Title | Total Submissions / Solving % | Total Users / Solving % | ||||
![]() |
10000 - Longest Paths | 36243 |
25.52%
|
8299 |
65.30%
|
|
![]() |
10001 - Garden of Eden | 7069 |
40.81%
|
2537 |
72.84%
|
|
![]() |
10002 - Center of Masses | 11599 |
29.24%
|
2399 |
68.40%
|
|
![]() |
10003 - Cutting Sticks | 58623 |
48.54%
|
15338 |
90.00%
|
|
![]() |
10004 - Bicoloring | 86412 |
50.11%
|
23047 |
90.90%
|
|
![]() |
10005 - Packing polygons | 12521 |
20.03%
|
2807 |
54.15%
|
|
![]() |
10006 - Carmichael Numbers | 45301 |
38.01%
|
10935 |
85.38%
|
|
![]() |
10007 - Count the Trees | 9083 |
44.82%
|
3580 |
77.77%
|
|
![]() |
10008 - What's Cryptanalysis? | 44189 |
57.26%
|
17931 |
93.99%
|
|
![]() |
10009 - All Roads Lead Where? | 15871 |
34.74%
|
4441 |
82.48%
|
|
![]() |
10010 - Where's Waldorf? | 46369 |
31.93%
|
11988 |
82.70%
|
|
![]() |
10011 - Where Can You Hide? | 4161 |
10.65%
|
598 |
40.64%
|
|
![]() |
10012 - How Big Is It? | 11594 |
30.47%
|
2646 |
69.99%
|
|
![]() |
10013 - Super long sums | 54171 |
27.69%
|
10159 |
67.44%
|
|
![]() |
10014 - Simple calculations | 12715 |
31.81%
|
4110 |
70.88%
|
|
![]() |
10015 - Joseph's Cousin | 10074 |
30.95%
|
3573 |
53.93%
|
|
![]() |
10016 - Flip-Flop the Squarelotron | 3008 |
47.51%
|
1293 |
80.05%
|
|
![]() |
10017 - The Never Ending Towers of Hanoi | 6858 |
25.01%
|
1875 |
56.69%
|
|
![]() |
10018 - Reverse and Add | 106633 |
42.73%
|
28608 |
88.92%
|
|
![]() |
10019 - Funny Encryption Method | 23932 |
70.60%
|
12656 |
96.27%
|
|
![]() |
10020 - Minimal coverage | 29250 |
27.66%
|
5478 |
68.99%
|
|
![]() |
10021 - Cube in the labirint | 1756 |
23.69%
|
511 |
65.17%
|
|
![]() |
10022 - Delta-wave | 2571 |
30.07%
|
980 |
64.59%
|
|
![]() |
10023 - Square root | 49129 |
22.93%
|
6353 |
31.91%
|
|
![]() |
10024 - Curling up the cube | 2181 |
25.22%
|
680 |
56.18%
|
|
![]() |
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17714 |
28.58%
|
4473 |
77.76%
|
|
![]() |
10026 - Shoemaker's Problem | 39248 |
34.19%
|
9561 |
83.84%
|
|
![]() |
10027 - Language Cardinality | 2561 |
13.59%
|
508 |
52.56%
|
|
![]() |
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
![]() |
10029 - Edit Step Ladders | 14846 |
22.96%
|
2677 |
64.70%
|
|
![]() |
10030 - Computer Dialogue | 1054 |
27.51%
|
397 |
40.55%
|
|
![]() |
10031 - Saskatchewan | 1258 |
7.31%
|
270 |
25.19%
|
|
![]() |
10032 - Tug of War | 35867 |
14.21%
|
4983 |
45.68%
|
|
![]() |
10033 - Interpreter | 37769 |
25.17%
|
6945 |
78.19%
|
|
![]() |
10034 - Freckles | 51280 |
32.99%
|
11679 |
82.04%
|
|
![]() |
10035 - Primary Arithmetic | 148581 |
29.69%
|
32956 |
87.44%
|
|
![]() |
10036 - Divisibility | 26717 |
37.53%
|
5344 |
85.31%
|
|
![]() |
10037 - Bridge | 27218 |
24.92%
|
5934 |
70.90%
|
|
![]() |
10038 - Jolly Jumpers | 225062 |
28.24%
|
45113 |
84.21%
|
|
![]() |
10039 - Railroads | 6414 |
28.83%
|
1403 |
75.69%
|
|
![]() |
10040 - Ouroboros Snake | 3428 |
36.35%
|
672 |
60.71%
|
|
![]() |
10041 - Vito's Family | 84182 |
43.93%
|
24637 |
88.30%
|
|
![]() |
10042 - Smith Numbers | 21509 |
36.90%
|
5947 |
85.69%
|
|
![]() |
10043 - Chainsaw Massacre | 5432 |
27.89%
|
773 |
67.27%
|
|
![]() |
10044 - Erdos Numbers | 33420 |
20.10%
|
4624 |
71.41%
|
|
![]() |
10045 - Echo | 2271 |
24.00%
|
445 |
46.52%
|
|
![]() |
10046 - Fold-up Patterns | 133 |
20.30%
|
54 |
38.89%
|
|
![]() |
10047 - The Monocycle | 11408 |
41.61%
|
2597 |
86.14%
|
|
![]() |
10048 - Audiophobia | 27951 |
45.15%
|
7645 |
87.65%
|
|
![]() |
10049 - Self-describing Sequence | 8350 |
51.80%
|
3505 |
87.73%
|
|
![]() |
10050 - Hartals | 41778 |
60.40%
|
19158 |
94.59%
|
|
![]() |
10051 - Tower of Cubes | 9934 |
37.59%
|
2741 |
83.95%
|
|
![]() |
10052 - Inviting Politicians | 2552 |
7.80%
|
355 |
22.54%
|
|
![]() |
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
![]() |
10054 - The Necklace | 39132 |
26.21%
|
5518 |
71.11%
|
|
![]() |
10055 - Hashmat the Brave Warrior | 366119 |
29.08%
|
72236 |
86.77%
|
|
![]() |
10056 - What is the Probability ? | 17939 |
42.38%
|
5013 |
90.03%
|
|
![]() |
10057 - A mid-summer night's dream. | 18388 |
37.87%
|
4536 |
84.22%
|
|
![]() |
10058 - Jimmi's Riddles | 2532 |
36.73%
|
887 |
82.86%
|
|
![]() |
10059 - The Hazard of CSE Department! | 533 |
1.88%
|
129 |
5.43%
|
|
![]() |
10060 - A hole to catch a man | 3724 |
33.78%
|
1033 |
84.70%
|
|
![]() |
10061 - How many zero's and how many digits ? | 10341 |
30.91%
|
2333 |
78.18%
|
|
![]() |
10062 - Tell me the frequencies! | 66076 |
22.00%
|
13145 |
69.71%
|
|
![]() |
10063 - Knuth's Permutation | 6715 |
42.31%
|
2376 |
72.26%
|
|
![]() |
10064 - Traveling in another Dimension | 524 |
15.46%
|
158 |
39.87%
|
|
![]() |
10065 - Useless Tile Packers | 8578 |
35.86%
|
2152 |
84.53%
|
|
![]() |
10066 - The Twin Towers | 24968 |
47.23%
|
8525 |
90.30%
|
|
![]() |
10067 - Playing with Wheels | 20463 |
42.64%
|
5752 |
89.15%
|
|
![]() |
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
![]() |
10069 - Distinct Subsequences | 19635 |
31.23%
|
4601 |
76.44%
|
|
![]() |
10070 - Leap Year or Not Leap Year and ... | 62079 |
15.31%
|
11945 |
54.98%
|
|
![]() |
10071 - Back to High School Physics | 188524 |
47.25%
|
60829 |
93.44%
|
|
![]() |
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1651 |
30.47%
|
532 |
58.83%
|
|
![]() |
10073 - Constrained Exchange Sort | 1050 |
32.67%
|
192 |
55.73%
|
|
![]() |
10074 - Take the Land | 15142 |
51.48%
|
5031 |
91.87%
|
|
![]() |
10075 - Airlines | 3758 |
39.94%
|
1224 |
81.54%
|
|
![]() |
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
![]() |
10077 - The Stern-Brocot Number System | 16286 |
56.48%
|
6605 |
93.41%
|
|
![]() |
10078 - The Art Gallery | 9150 |
46.80%
|
2730 |
90.22%
|
|
![]() |
10079 - Pizza Cutting | 54516 |
44.31%
|
18547 |
94.19%
|
|
![]() |
10080 - Gopher II | 16871 |
38.97%
|
3324 |
86.04%
|
|
![]() |
10081 - Tight Words | 5563 |
52.17%
|
2264 |
90.37%
|
|
![]() |
10082 - WERTYU | 110751 |
40.68%
|
30772 |
90.68%
|
|
![]() |
10083 - Division | 24940 |
40.47%
|
2012 |
64.81%
|
|
![]() |
10084 - Hotter Colder | 2232 |
36.25%
|
579 |
75.13%
|
|
![]() |
10085 - The most distant state | 2395 |
46.81%
|
745 |
86.17%
|
|
![]() |
10086 - Test the Rods | 2436 |
44.42%
|
775 |
87.23%
|
|
![]() |
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
![]() |
10088 - Trees on My Island | 6664 |
37.83%
|
1639 |
87.74%
|
|
![]() |
10089 - Repackaging | 4560 |
33.73%
|
1227 |
76.53%
|
|
![]() |
10090 - Marbles | 20601 |
26.34%
|
4278 |
72.25%
|
|
![]() |
10091 - The Valentine's Day | 1348 |
22.40%
|
344 |
66.28%
|
|
![]() |
10092 - The Problem with the Problem Setter | 9519 |
40.24%
|
2227 |
84.28%
|
|
![]() |
10093 - An Easy Problem! | 25365 |
25.32%
|
5161 |
71.59%
|
|
![]() |
10094 - Place the Guards | 2526 |
29.49%
|
777 |
64.99%
|
|
![]() |
10095 - Saving the Planet | 1093 |
18.85%
|
201 |
55.22%
|
|
![]() |
10096 - The Richest Man of the Universe | 2413 |
3.11%
|
322 |
13.98%
|
|
![]() |
10097 - The Color Game | 1483 |
51.58%
|
650 |
84.00%
|
|
![]() |
10098 - Generating Fast | 26648 |
44.92%
|
8459 |
86.11%
|
|
![]() |
10099 - The Tourist Guide | 36710 |
32.28%
|
8038 |
84.50%
|
<< Start < Prev 1 Next > End >> | ||
Display # | Results 1 - 100 of 100 |