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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36678 |
25.68%
|
8394 |
65.48%
|
|
|
|
10001 - Garden of Eden | 7256 |
41.10%
|
2568 |
72.90%
|
|
|
|
10002 - Center of Masses | 11793 |
29.48%
|
2425 |
68.62%
|
|
|
|
10003 - Cutting Sticks | 61007 |
48.71%
|
15632 |
90.05%
|
|
|
|
10004 - Bicoloring | 88753 |
50.57%
|
23292 |
90.98%
|
|
|
|
10005 - Packing polygons | 12747 |
20.17%
|
2833 |
54.32%
|
|
|
|
10006 - Carmichael Numbers | 45668 |
38.07%
|
10996 |
85.40%
|
|
|
|
10007 - Count the Trees | 9287 |
45.22%
|
3635 |
78.02%
|
|
|
|
10008 - What's Cryptanalysis? | 46227 |
57.72%
|
18323 |
94.09%
|
|
|
|
10009 - All Roads Lead Where? | 16030 |
34.80%
|
4467 |
82.52%
|
|
|
|
10010 - Where's Waldorf? | 47652 |
32.57%
|
12436 |
83.16%
|
|
|
|
10011 - Where Can You Hide? | 4253 |
10.72%
|
620 |
40.97%
|
|
|
|
10012 - How Big Is It? | 12048 |
31.07%
|
2704 |
70.45%
|
|
|
|
10013 - Super long sums | 54586 |
27.83%
|
10193 |
67.51%
|
|
|
|
10014 - Simple calculations | 12808 |
31.84%
|
4132 |
70.96%
|
|
|
|
10015 - Joseph's Cousin | 10342 |
31.41%
|
3619 |
54.35%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3040 |
47.57%
|
1306 |
79.94%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7174 |
24.46%
|
1885 |
56.82%
|
|
|
|
10018 - Reverse and Add | 108227 |
43.08%
|
29146 |
89.07%
|
|
|
|
10019 - Funny Encryption Method | 25047 |
70.81%
|
12937 |
96.34%
|
|
|
10020 - Minimal coverage | 29936 |
28.23%
|
5604 |
69.38%
|
|
|
|
10021 - Cube in the labirint | 1793 |
23.81%
|
517 |
64.99%
|
|
|
|
10022 - Delta-wave | 2617 |
29.96%
|
994 |
64.59%
|
|
|
|
10023 - Square root | 50832 |
23.13%
|
6444 |
32.79%
|
|
|
|
10024 - Curling up the cube | 2290 |
26.07%
|
703 |
57.04%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17861 |
28.63%
|
4490 |
77.75%
|
|
|
|
10026 - Shoemaker's Problem | 40448 |
34.71%
|
9913 |
84.18%
|
|
|
|
10027 - Language Cardinality | 2607 |
13.62%
|
517 |
52.22%
|
|
|
|
10028 - Demerit Points | 1592 |
24.56%
|
429 |
59.44%
|
|
|
|
10029 - Edit Step Ladders | 15048 |
23.23%
|
2709 |
64.89%
|
|
|
|
10030 - Computer Dialogue | 1069 |
27.78%
|
404 |
41.34%
|
|
|
|
10031 - Saskatchewan | 1278 |
7.59%
|
278 |
26.26%
|
|
|
|
10032 - Tug of War | 36189 |
14.31%
|
5032 |
46.09%
|
|
|
|
10033 - Interpreter | 38752 |
25.65%
|
7230 |
78.71%
|
|
|
|
10034 - Freckles | 52708 |
33.24%
|
11781 |
82.10%
|
|
|
|
10035 - Primary Arithmetic | 154005 |
30.20%
|
33941 |
87.76%
|
|
|
|
10036 - Divisibility | 28203 |
37.77%
|
5463 |
85.54%
|
|
|
|
10037 - Bridge | 27923 |
25.50%
|
6155 |
71.68%
|
|
|
|
10038 - Jolly Jumpers | 230038 |
28.67%
|
46112 |
84.41%
|
|
|
|
10039 - Railroads | 6514 |
28.74%
|
1420 |
75.42%
|
|
|
|
10040 - Ouroboros Snake | 3497 |
35.97%
|
682 |
60.41%
|
|
|
|
10041 - Vito's Family | 87680 |
44.58%
|
25556 |
88.61%
|
|
|
|
10042 - Smith Numbers | 21962 |
37.10%
|
6023 |
85.82%
|
|
|
|
10043 - Chainsaw Massacre | 5488 |
27.84%
|
786 |
67.05%
|
|
|
|
10044 - Erdos Numbers | 34072 |
20.51%
|
4761 |
71.94%
|
|
|
|
10045 - Echo | 2294 |
23.98%
|
452 |
46.68%
|
|
|
|
10046 - Fold-up Patterns | 155 |
19.35%
|
63 |
38.10%
|
|
|
|
10047 - The Monocycle | 11710 |
41.72%
|
2630 |
86.24%
|
|
|
|
10048 - Audiophobia | 28708 |
45.17%
|
7739 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8522 |
51.71%
|
3546 |
87.70%
|
|
|
|
10050 - Hartals | 43570 |
60.87%
|
19811 |
94.69%
|
|
|
|
10051 - Tower of Cubes | 10202 |
37.51%
|
2787 |
83.93%
|
|
|
|
10052 - Inviting Politicians | 2680 |
7.69%
|
362 |
23.76%
|
|
|
|
10053 - Envelopes | 1303 |
18.73%
|
355 |
46.76%
|
|
|
|
10054 - The Necklace | 40122 |
26.43%
|
5595 |
71.39%
|
|
|
|
10055 - Hashmat the Brave Warrior | 374237 |
29.34%
|
73199 |
86.88%
|
|
|
|
10056 - What is the Probability ? | 19727 |
42.79%
|
5322 |
90.51%
|
|
|
|
10057 - A mid-summer night's dream. | 20034 |
38.84%
|
4833 |
84.98%
|
|
|
|
10058 - Jimmi's Riddles | 2551 |
36.85%
|
893 |
82.98%
|
|
|
|
10059 - The Hazard of CSE Department! | 586 |
2.56%
|
137 |
8.76%
|
|
|
|
10060 - A hole to catch a man | 3761 |
33.95%
|
1041 |
84.63%
|
|
|
|
10061 - How many zero's and how many digits ? | 10444 |
31.04%
|
2349 |
78.12%
|
|
|
|
10062 - Tell me the frequencies! | 68338 |
22.61%
|
13468 |
70.24%
|
|
|
|
10063 - Knuth's Permutation | 6798 |
42.29%
|
2399 |
72.07%
|
|
|
|
10064 - Traveling in another Dimension | 566 |
15.37%
|
165 |
40.61%
|
|
|
|
10065 - Useless Tile Packers | 8738 |
35.96%
|
2166 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25369 |
47.23%
|
8567 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20598 |
42.78%
|
5784 |
89.19%
|
|
|
|
10068 - The Treasure Hunt | 1607 |
15.12%
|
370 |
42.16%
|
|
|
|
10069 - Distinct Subsequences | 19880 |
31.39%
|
4622 |
76.50%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 63270 |
15.37%
|
12020 |
55.07%
|
|
|
|
10071 - Back to High School Physics | 194862 |
47.23%
|
61838 |
93.46%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1663 |
30.49%
|
535 |
58.88%
|
|
|
|
10073 - Constrained Exchange Sort | 1054 |
32.83%
|
194 |
55.67%
|
|
|
|
10074 - Take the Land | 15293 |
51.55%
|
5072 |
91.88%
|
|
|
|
10075 - Airlines | 3808 |
40.26%
|
1239 |
81.36%
|
|
|
|
10076 - The Bumpy Robot | 1162 |
27.11%
|
275 |
66.18%
|
|
|
|
10077 - The Stern-Brocot Number System | 16773 |
56.88%
|
6848 |
93.53%
|
|
|
|
10078 - The Art Gallery | 9540 |
46.92%
|
2772 |
90.19%
|
|
|
|
10079 - Pizza Cutting | 55550 |
44.39%
|
18698 |
94.18%
|
|
|
|
10080 - Gopher II | 17099 |
38.93%
|
3382 |
86.10%
|
|
|
|
10081 - Tight Words | 5740 |
52.07%
|
2308 |
90.42%
|
|
|
|
10082 - WERTYU | 112864 |
40.90%
|
31399 |
90.76%
|
|
|
|
10083 - Division | 25125 |
40.42%
|
2032 |
64.71%
|
|
|
|
10084 - Hotter Colder | 2274 |
36.50%
|
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 | 611 |
29.13%
|
194 |
69.07%
|
|
|
|
10088 - Trees on My Island | 6795 |
38.23%
|
1665 |
87.87%
|
|
|
|
10089 - Repackaging | 4614 |
33.75%
|
1240 |
76.61%
|
|
|
|
10090 - Marbles | 21187 |
26.64%
|
4342 |
72.48%
|
|
|
|
10091 - The Valentine's Day | 1369 |
22.28%
|
354 |
64.97%
|
|
|
|
10092 - The Problem with the Problem Setter | 9685 |
40.52%
|
2259 |
84.37%
|
|
|
|
10093 - An Easy Problem! | 27873 |
25.95%
|
5431 |
72.58%
|
|
|
|
10094 - Place the Guards | 2531 |
29.55%
|
782 |
64.96%
|
|
|
|
10095 - Saving the Planet | 1108 |
19.04%
|
206 |
55.34%
|
|
|
|
10096 - The Richest Man of the Universe | 2455 |
3.30%
|
329 |
15.50%
|
|
|
|
10097 - The Color Game | 1494 |
51.41%
|
655 |
83.82%
|
|
|
|
10098 - Generating Fast | 26833 |
45.02%
|
8489 |
86.15%
|
|
|
|
10099 - The Tourist Guide | 37830 |
32.51%
|
8155 |
84.57%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |