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 | 36301 |
25.52%
|
8309 |
65.30%
|
|
![]() |
10001 - Garden of Eden | 7073 |
40.79%
|
2539 |
72.78%
|
|
![]() |
10002 - Center of Masses | 11642 |
29.26%
|
2401 |
68.43%
|
|
![]() |
10003 - Cutting Sticks | 58918 |
48.61%
|
15393 |
90.01%
|
|
![]() |
10004 - Bicoloring | 86705 |
50.16%
|
23096 |
90.91%
|
|
![]() |
10005 - Packing polygons | 12542 |
20.08%
|
2812 |
54.16%
|
|
![]() |
10006 - Carmichael Numbers | 45328 |
38.01%
|
10945 |
85.37%
|
|
![]() |
10007 - Count the Trees | 9120 |
44.88%
|
3591 |
77.83%
|
|
![]() |
10008 - What's Cryptanalysis? | 44322 |
57.28%
|
17980 |
94.00%
|
|
![]() |
10009 - All Roads Lead Where? | 15888 |
34.77%
|
4446 |
82.48%
|
|
![]() |
10010 - Where's Waldorf? | 46667 |
32.04%
|
12121 |
82.79%
|
|
![]() |
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
![]() |
10012 - How Big Is It? | 11640 |
30.53%
|
2652 |
70.06%
|
|
![]() |
10013 - Super long sums | 54254 |
27.70%
|
10167 |
67.45%
|
|
![]() |
10014 - Simple calculations | 12738 |
31.81%
|
4117 |
70.90%
|
|
![]() |
10015 - Joseph's Cousin | 10137 |
31.07%
|
3580 |
53.99%
|
|
![]() |
10016 - Flip-Flop the Squarelotron | 3021 |
47.53%
|
1297 |
80.03%
|
|
![]() |
10017 - The Never Ending Towers of Hanoi | 6879 |
24.99%
|
1876 |
56.72%
|
|
![]() |
10018 - Reverse and Add | 106993 |
42.81%
|
28794 |
88.96%
|
|
![]() |
10019 - Funny Encryption Method | 23998 |
70.61%
|
12683 |
96.28%
|
|
![]() |
10020 - Minimal coverage | 29321 |
27.70%
|
5497 |
69.04%
|
|
![]() |
10021 - Cube in the labirint | 1777 |
23.69%
|
512 |
65.04%
|
|
![]() |
10022 - Delta-wave | 2577 |
30.15%
|
983 |
64.70%
|
|
![]() |
10023 - Square root | 49156 |
22.93%
|
6360 |
31.93%
|
|
![]() |
10024 - Curling up the cube | 2198 |
25.39%
|
683 |
56.22%
|
|
![]() |
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17724 |
28.60%
|
4477 |
77.75%
|
|
![]() |
10026 - Shoemaker's Problem | 39501 |
34.34%
|
9653 |
83.92%
|
|
![]() |
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
![]() |
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
![]() |
10029 - Edit Step Ladders | 14865 |
22.98%
|
2681 |
64.75%
|
|
![]() |
10030 - Computer Dialogue | 1055 |
27.49%
|
398 |
40.45%
|
|
![]() |
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
![]() |
10032 - Tug of War | 35896 |
14.22%
|
4988 |
45.71%
|
|
![]() |
10033 - Interpreter | 37858 |
25.23%
|
6967 |
78.24%
|
|
![]() |
10034 - Freckles | 51450 |
32.98%
|
11693 |
82.04%
|
|
![]() |
10035 - Primary Arithmetic | 149190 |
29.80%
|
33206 |
87.51%
|
|
![]() |
10036 - Divisibility | 26892 |
37.53%
|
5367 |
85.34%
|
|
![]() |
10037 - Bridge | 27543 |
25.24%
|
6055 |
71.38%
|
|
![]() |
10038 - Jolly Jumpers | 225706 |
28.30%
|
45333 |
84.24%
|
|
![]() |
10039 - Railroads | 6420 |
28.83%
|
1404 |
75.64%
|
|
![]() |
10040 - Ouroboros Snake | 3431 |
36.37%
|
673 |
60.77%
|
|
![]() |
10041 - Vito's Family | 84681 |
44.05%
|
24857 |
88.37%
|
|
![]() |
10042 - Smith Numbers | 21558 |
36.91%
|
5957 |
85.71%
|
|
![]() |
10043 - Chainsaw Massacre | 5452 |
27.88%
|
777 |
67.31%
|
|
![]() |
10044 - Erdos Numbers | 33573 |
20.14%
|
4652 |
71.50%
|
|
![]() |
10045 - Echo | 2272 |
23.99%
|
446 |
46.41%
|
|
![]() |
10046 - Fold-up Patterns | 136 |
19.85%
|
57 |
36.84%
|
|
![]() |
10047 - The Monocycle | 11473 |
41.58%
|
2605 |
86.10%
|
|
![]() |
10048 - Audiophobia | 28189 |
45.13%
|
7674 |
87.67%
|
|
![]() |
10049 - Self-describing Sequence | 8402 |
51.82%
|
3515 |
87.74%
|
|
![]() |
10050 - Hartals | 41970 |
60.47%
|
19239 |
94.60%
|
|
![]() |
10051 - Tower of Cubes | 9968 |
37.58%
|
2744 |
83.97%
|
|
![]() |
10052 - Inviting Politicians | 2553 |
7.79%
|
356 |
22.47%
|
|
![]() |
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
![]() |
10054 - The Necklace | 39427 |
26.26%
|
5546 |
71.19%
|
|
![]() |
10055 - Hashmat the Brave Warrior | 367366 |
29.09%
|
72346 |
86.78%
|
|
![]() |
10056 - What is the Probability ? | 18073 |
42.37%
|
5040 |
90.06%
|
|
![]() |
10057 - A mid-summer night's dream. | 18510 |
37.93%
|
4561 |
84.21%
|
|
![]() |
10058 - Jimmi's Riddles | 2532 |
36.73%
|
887 |
82.86%
|
|
![]() |
10059 - The Hazard of CSE Department! | 550 |
1.82%
|
130 |
5.38%
|
|
![]() |
10060 - A hole to catch a man | 3734 |
33.88%
|
1035 |
84.64%
|
|
![]() |
10061 - How many zero's and how many digits ? | 10342 |
30.90%
|
2334 |
78.15%
|
|
![]() |
10062 - Tell me the frequencies! | 66489 |
22.06%
|
13190 |
69.76%
|
|
![]() |
10063 - Knuth's Permutation | 6749 |
42.30%
|
2381 |
72.28%
|
|
![]() |
10064 - Traveling in another Dimension | 525 |
15.43%
|
159 |
39.62%
|
|
![]() |
10065 - Useless Tile Packers | 8594 |
35.87%
|
2153 |
84.53%
|
|
![]() |
10066 - The Twin Towers | 25026 |
47.25%
|
8531 |
90.31%
|
|
![]() |
10067 - Playing with Wheels | 20473 |
42.67%
|
5756 |
89.16%
|
|
![]() |
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
![]() |
10069 - Distinct Subsequences | 19637 |
31.24%
|
4603 |
76.45%
|
|
![]() |
10070 - Leap Year or Not Leap Year and ... | 62114 |
15.31%
|
11950 |
54.96%
|
|
![]() |
10071 - Back to High School Physics | 189921 |
47.17%
|
60985 |
93.42%
|
|
![]() |
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 | 15177 |
51.48%
|
5037 |
91.86%
|
|
![]() |
10075 - Airlines | 3758 |
39.94%
|
1224 |
81.54%
|
|
![]() |
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
![]() |
10077 - The Stern-Brocot Number System | 16410 |
56.53%
|
6651 |
93.38%
|
|
![]() |
10078 - The Art Gallery | 9217 |
46.86%
|
2741 |
90.15%
|
|
![]() |
10079 - Pizza Cutting | 54722 |
44.29%
|
18563 |
94.18%
|
|
![]() |
10080 - Gopher II | 16916 |
38.94%
|
3335 |
86.06%
|
|
![]() |
10081 - Tight Words | 5615 |
51.97%
|
2271 |
90.36%
|
|
![]() |
10082 - WERTYU | 111300 |
40.74%
|
30975 |
90.72%
|
|
![]() |
10083 - Division | 24970 |
40.47%
|
2015 |
64.81%
|
|
![]() |
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
![]() |
10085 - The most distant state | 2406 |
46.80%
|
749 |
86.25%
|
|
![]() |
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 | 6672 |
37.86%
|
1640 |
87.74%
|
|
![]() |
10089 - Repackaging | 4571 |
33.76%
|
1232 |
76.62%
|
|
![]() |
10090 - Marbles | 20727 |
26.37%
|
4292 |
72.30%
|
|
![]() |
10091 - The Valentine's Day | 1349 |
22.39%
|
345 |
66.09%
|
|
![]() |
10092 - The Problem with the Problem Setter | 9585 |
40.40%
|
2240 |
84.33%
|
|
![]() |
10093 - An Easy Problem! | 25569 |
25.29%
|
5185 |
71.61%
|
|
![]() |
10094 - Place the Guards | 2527 |
29.48%
|
778 |
64.91%
|
|
![]() |
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 | 26666 |
44.94%
|
8465 |
86.12%
|
|
![]() |
10099 - The Tourist Guide | 36799 |
32.32%
|
8055 |
84.52%
|
<< Start < Prev 1 Next > End >> | ||
Display # | Results 1 - 100 of 100 |