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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36600 |
25.64%
|
8379 |
65.41%
|
|
|
|
10001 - Garden of Eden | 7245 |
41.08%
|
2567 |
72.89%
|
|
|
|
10002 - Center of Masses | 11744 |
29.39%
|
2420 |
68.55%
|
|
|
|
10003 - Cutting Sticks | 60568 |
48.75%
|
15585 |
90.04%
|
|
|
|
10004 - Bicoloring | 88338 |
50.48%
|
23254 |
90.96%
|
|
|
|
10005 - Packing polygons | 12721 |
20.12%
|
2829 |
54.29%
|
|
|
|
10006 - Carmichael Numbers | 45622 |
38.05%
|
10992 |
85.40%
|
|
|
|
10007 - Count the Trees | 9255 |
45.09%
|
3623 |
77.97%
|
|
|
|
10008 - What's Cryptanalysis? | 45766 |
57.60%
|
18261 |
94.09%
|
|
|
|
10009 - All Roads Lead Where? | 15982 |
34.81%
|
4465 |
82.51%
|
|
|
|
10010 - Where's Waldorf? | 47452 |
32.46%
|
12411 |
83.12%
|
|
|
|
10011 - Where Can You Hide? | 4252 |
10.70%
|
619 |
40.87%
|
|
|
|
10012 - How Big Is It? | 11933 |
30.94%
|
2686 |
70.33%
|
|
|
|
10013 - Super long sums | 54560 |
27.83%
|
10189 |
67.49%
|
|
|
|
10014 - Simple calculations | 12805 |
31.83%
|
4131 |
70.95%
|
|
|
|
10015 - Joseph's Cousin | 10305 |
31.32%
|
3610 |
54.29%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3037 |
47.51%
|
1305 |
79.92%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7155 |
24.44%
|
1884 |
56.79%
|
|
|
|
10018 - Reverse and Add | 107966 |
43.06%
|
29128 |
89.06%
|
|
|
|
10019 - Funny Encryption Method | 24845 |
70.73%
|
12893 |
96.32%
|
|
|
10020 - Minimal coverage | 29844 |
28.16%
|
5584 |
69.32%
|
|
|
|
10021 - Cube in the labirint | 1791 |
23.73%
|
516 |
64.92%
|
|
|
|
10022 - Delta-wave | 2616 |
29.97%
|
993 |
64.65%
|
|
|
|
10023 - Square root | 50809 |
23.13%
|
6442 |
32.77%
|
|
|
|
10024 - Curling up the cube | 2271 |
25.80%
|
698 |
56.88%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17855 |
28.61%
|
4488 |
77.74%
|
|
|
|
10026 - Shoemaker's Problem | 40251 |
34.71%
|
9891 |
84.17%
|
|
|
|
10027 - Language Cardinality | 2604 |
13.59%
|
516 |
52.13%
|
|
|
|
10028 - Demerit Points | 1587 |
24.51%
|
427 |
59.25%
|
|
|
|
10029 - Edit Step Ladders | 15019 |
23.15%
|
2703 |
64.82%
|
|
|
|
10030 - Computer Dialogue | 1061 |
27.71%
|
402 |
41.04%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36151 |
14.31%
|
5025 |
46.01%
|
|
|
|
10033 - Interpreter | 38715 |
25.63%
|
7227 |
78.72%
|
|
|
|
10034 - Freckles | 52664 |
33.24%
|
11774 |
82.09%
|
|
|
|
10035 - Primary Arithmetic | 152797 |
30.12%
|
33863 |
87.73%
|
|
|
|
10036 - Divisibility | 27974 |
37.76%
|
5444 |
85.51%
|
|
|
|
10037 - Bridge | 27875 |
25.46%
|
6148 |
71.67%
|
|
|
|
10038 - Jolly Jumpers | 229095 |
28.59%
|
45998 |
84.41%
|
|
|
|
10039 - Railroads | 6494 |
28.75%
|
1417 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3490 |
35.93%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86943 |
44.52%
|
25465 |
88.59%
|
|
|
|
10042 - Smith Numbers | 21922 |
37.06%
|
6012 |
85.80%
|
|
|
|
10043 - Chainsaw Massacre | 5487 |
27.83%
|
786 |
67.05%
|
|
|
|
10044 - Erdos Numbers | 34062 |
20.51%
|
4758 |
71.94%
|
|
|
|
10045 - Echo | 2287 |
23.92%
|
450 |
46.44%
|
|
|
|
10046 - Fold-up Patterns | 140 |
19.29%
|
60 |
35.00%
|
|
|
|
10047 - The Monocycle | 11668 |
41.68%
|
2622 |
86.16%
|
|
|
|
10048 - Audiophobia | 28635 |
45.15%
|
7729 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8520 |
51.71%
|
3545 |
87.73%
|
|
|
|
10050 - Hartals | 43290 |
60.77%
|
19714 |
94.66%
|
|
|
|
10051 - Tower of Cubes | 10175 |
37.50%
|
2774 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2675 |
7.51%
|
360 |
22.78%
|
|
|
|
10053 - Envelopes | 1299 |
18.55%
|
353 |
46.46%
|
|
|
|
10054 - The Necklace | 40025 |
26.41%
|
5587 |
71.34%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371772 |
29.24%
|
72885 |
86.85%
|
|
|
|
10056 - What is the Probability ? | 19432 |
42.74%
|
5277 |
90.45%
|
|
|
|
10057 - A mid-summer night's dream. | 19745 |
38.66%
|
4782 |
84.84%
|
|
|
|
10058 - Jimmi's Riddles | 2550 |
36.82%
|
893 |
82.98%
|
|
|
|
10059 - The Hazard of CSE Department! | 554 |
1.81%
|
132 |
5.30%
|
|
|
|
10060 - A hole to catch a man | 3759 |
33.92%
|
1040 |
84.62%
|
|
|
|
10061 - How many zero's and how many digits ? | 10435 |
31.03%
|
2348 |
78.11%
|
|
|
|
10062 - Tell me the frequencies! | 67949 |
22.51%
|
13408 |
70.12%
|
|
|
|
10063 - Knuth's Permutation | 6779 |
42.22%
|
2397 |
72.09%
|
|
|
|
10064 - Traveling in another Dimension | 553 |
15.01%
|
162 |
39.51%
|
|
|
|
10065 - Useless Tile Packers | 8703 |
35.93%
|
2160 |
84.49%
|
|
|
|
10066 - The Twin Towers | 25300 |
47.19%
|
8560 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20578 |
42.75%
|
5780 |
89.19%
|
|
|
|
10068 - The Treasure Hunt | 1606 |
15.07%
|
370 |
42.16%
|
|
|
|
10069 - Distinct Subsequences | 19872 |
31.39%
|
4619 |
76.49%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 63063 |
15.37%
|
12013 |
55.02%
|
|
|
|
10071 - Back to High School Physics | 193187 |
47.20%
|
61590 |
93.44%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1657 |
30.42%
|
534 |
58.80%
|
|
|
|
10073 - Constrained Exchange Sort | 1053 |
32.76%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15272 |
51.53%
|
5061 |
91.88%
|
|
|
|
10075 - Airlines | 3804 |
40.25%
|
1236 |
81.47%
|
|
|
|
10076 - The Bumpy Robot | 1159 |
27.09%
|
273 |
66.30%
|
|
|
|
10077 - The Stern-Brocot Number System | 16762 |
56.86%
|
6843 |
93.53%
|
|
|
|
10078 - The Art Gallery | 9481 |
47.02%
|
2769 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55440 |
44.37%
|
18671 |
94.18%
|
|
|
|
10080 - Gopher II | 17081 |
38.90%
|
3374 |
86.07%
|
|
|
|
10081 - Tight Words | 5704 |
52.09%
|
2297 |
90.38%
|
|
|
|
10082 - WERTYU | 112678 |
40.89%
|
31366 |
90.76%
|
|
|
|
10083 - Division | 25094 |
40.37%
|
2029 |
64.76%
|
|
|
|
10084 - Hotter Colder | 2264 |
36.53%
|
592 |
75.00%
|
|
|
|
10085 - The most distant state | 2444 |
47.05%
|
755 |
86.09%
|
|
|
|
10086 - Test the Rods | 2443 |
44.49%
|
780 |
87.18%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 608 |
28.95%
|
193 |
68.91%
|
|
|
|
10088 - Trees on My Island | 6781 |
38.19%
|
1662 |
87.85%
|
|
|
|
10089 - Repackaging | 4613 |
33.73%
|
1240 |
76.61%
|
|
|
|
10090 - Marbles | 21101 |
26.58%
|
4328 |
72.41%
|
|
|
|
10091 - The Valentine's Day | 1364 |
22.21%
|
353 |
64.87%
|
|
|
|
10092 - The Problem with the Problem Setter | 9631 |
40.55%
|
2249 |
84.35%
|
|
|
|
10093 - An Easy Problem! | 27415 |
25.85%
|
5386 |
72.41%
|
|
|
|
10094 - Place the Guards | 2530 |
29.53%
|
781 |
64.92%
|
|
|
|
10095 - Saving the Planet | 1106 |
18.90%
|
205 |
55.12%
|
|
|
|
10096 - The Richest Man of the Universe | 2430 |
3.09%
|
325 |
13.85%
|
|
|
|
10097 - The Color Game | 1494 |
51.41%
|
655 |
83.82%
|
|
|
|
10098 - Generating Fast | 26797 |
45.01%
|
8480 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37686 |
32.46%
|
8142 |
84.57%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |