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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36422 |
25.58%
|
8344 |
65.35%
|
|
|
|
10001 - Garden of Eden | 7177 |
41.05%
|
2553 |
72.78%
|
|
|
|
10002 - Center of Masses | 11687 |
29.31%
|
2410 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 59641 |
48.60%
|
15482 |
90.03%
|
|
|
|
10004 - Bicoloring | 87590 |
50.28%
|
23166 |
90.93%
|
|
|
|
10005 - Packing polygons | 12681 |
20.05%
|
2822 |
54.18%
|
|
|
|
10006 - Carmichael Numbers | 45499 |
38.02%
|
10960 |
85.37%
|
|
|
|
10007 - Count the Trees | 9190 |
45.01%
|
3607 |
77.88%
|
|
|
|
10008 - What's Cryptanalysis? | 44950 |
57.37%
|
18139 |
94.05%
|
|
|
|
10009 - All Roads Lead Where? | 15950 |
34.79%
|
4459 |
82.48%
|
|
|
|
10010 - Where's Waldorf? | 46837 |
32.09%
|
12162 |
82.80%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11821 |
30.84%
|
2666 |
70.11%
|
|
|
|
10013 - Super long sums | 54529 |
27.80%
|
10180 |
67.47%
|
|
|
|
10014 - Simple calculations | 12793 |
31.80%
|
4126 |
70.92%
|
|
|
|
10015 - Joseph's Cousin | 10206 |
31.18%
|
3593 |
54.13%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3032 |
47.49%
|
1302 |
79.88%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7118 |
24.50%
|
1880 |
56.76%
|
|
|
|
10018 - Reverse and Add | 107130 |
42.83%
|
28811 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24364 |
70.58%
|
12812 |
96.30%
|
|
|
10020 - Minimal coverage | 29491 |
27.85%
|
5519 |
69.07%
|
|
|
|
10021 - Cube in the labirint | 1786 |
23.68%
|
514 |
64.98%
|
|
|
|
10022 - Delta-wave | 2582 |
30.09%
|
985 |
64.57%
|
|
|
|
10023 - Square root | 50746 |
23.07%
|
6436 |
32.69%
|
|
|
|
10024 - Curling up the cube | 2229 |
25.62%
|
690 |
56.52%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17785 |
28.62%
|
4481 |
77.75%
|
|
|
|
10026 - Shoemaker's Problem | 39568 |
34.36%
|
9666 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2573 |
13.64%
|
511 |
52.45%
|
|
|
|
10028 - Demerit Points | 1566 |
24.65%
|
424 |
59.20%
|
|
|
|
10029 - Edit Step Ladders | 14986 |
23.11%
|
2696 |
64.73%
|
|
|
|
10030 - Computer Dialogue | 1056 |
27.46%
|
399 |
40.35%
|
|
|
|
10031 - Saskatchewan | 1262 |
7.29%
|
272 |
25.00%
|
|
|
|
10032 - Tug of War | 35981 |
14.23%
|
4999 |
45.81%
|
|
|
|
10033 - Interpreter | 37930 |
25.22%
|
6978 |
78.26%
|
|
|
|
10034 - Freckles | 52088 |
33.13%
|
11722 |
82.05%
|
|
|
|
10035 - Primary Arithmetic | 150346 |
29.87%
|
33386 |
87.56%
|
|
|
|
10036 - Divisibility | 27324 |
37.64%
|
5399 |
85.39%
|
|
|
|
10037 - Bridge | 27615 |
25.27%
|
6063 |
71.38%
|
|
|
|
10038 - Jolly Jumpers | 227260 |
28.39%
|
45545 |
84.29%
|
|
|
|
10039 - Railroads | 6440 |
28.76%
|
1409 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3485 |
35.93%
|
679 |
60.38%
|
|
|
|
10041 - Vito's Family | 85643 |
44.18%
|
25064 |
88.44%
|
|
|
|
10042 - Smith Numbers | 21760 |
36.96%
|
5972 |
85.73%
|
|
|
|
10043 - Chainsaw Massacre | 5457 |
27.89%
|
779 |
67.27%
|
|
|
|
10044 - Erdos Numbers | 33736 |
20.30%
|
4659 |
71.50%
|
|
|
|
10045 - Echo | 2273 |
23.98%
|
447 |
46.31%
|
|
|
|
10046 - Fold-up Patterns | 137 |
19.71%
|
58 |
36.21%
|
|
|
|
10047 - The Monocycle | 11516 |
41.68%
|
2610 |
86.09%
|
|
|
|
10048 - Audiophobia | 28423 |
45.11%
|
7696 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8437 |
51.80%
|
3519 |
87.72%
|
|
|
|
10050 - Hartals | 42419 |
60.50%
|
19372 |
94.63%
|
|
|
|
10051 - Tower of Cubes | 10062 |
37.74%
|
2756 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2666 |
7.46%
|
358 |
22.35%
|
|
|
|
10053 - Envelopes | 1287 |
18.34%
|
348 |
46.26%
|
|
|
|
10054 - The Necklace | 39653 |
26.36%
|
5562 |
71.23%
|
|
|
|
10055 - Hashmat the Brave Warrior | 369986 |
29.15%
|
72623 |
86.81%
|
|
|
|
10056 - What is the Probability ? | 18767 |
42.33%
|
5177 |
90.28%
|
|
|
|
10057 - A mid-summer night's dream. | 19132 |
38.12%
|
4687 |
84.60%
|
|
|
|
10058 - Jimmi's Riddles | 2533 |
36.72%
|
888 |
82.77%
|
|
|
|
10059 - The Hazard of CSE Department! | 551 |
1.81%
|
131 |
5.34%
|
|
|
|
10060 - A hole to catch a man | 3755 |
33.85%
|
1037 |
84.57%
|
|
|
|
10061 - How many zero's and how many digits ? | 10388 |
30.91%
|
2338 |
78.14%
|
|
|
|
10062 - Tell me the frequencies! | 67199 |
22.23%
|
13316 |
69.95%
|
|
|
|
10063 - Knuth's Permutation | 6768 |
42.21%
|
2388 |
72.15%
|
|
|
|
10064 - Traveling in another Dimension | 550 |
14.73%
|
162 |
38.89%
|
|
|
|
10065 - Useless Tile Packers | 8662 |
35.93%
|
2156 |
84.51%
|
|
|
|
10066 - The Twin Towers | 25195 |
47.18%
|
8547 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20502 |
42.67%
|
5762 |
89.15%
|
|
|
|
10068 - The Treasure Hunt | 1601 |
15.05%
|
368 |
42.12%
|
|
|
|
10069 - Distinct Subsequences | 19822 |
31.34%
|
4608 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62195 |
15.31%
|
11957 |
54.97%
|
|
|
|
10071 - Back to High School Physics | 191775 |
47.14%
|
61290 |
93.43%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1652 |
30.45%
|
533 |
58.72%
|
|
|
|
10073 - Constrained Exchange Sort | 1051 |
32.64%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15209 |
51.49%
|
5045 |
91.85%
|
|
|
|
10075 - Airlines | 3769 |
40.01%
|
1227 |
81.42%
|
|
|
|
10076 - The Bumpy Robot | 1141 |
27.34%
|
271 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16459 |
56.51%
|
6663 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9246 |
46.89%
|
2752 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 54984 |
44.31%
|
18598 |
94.17%
|
|
|
|
10080 - Gopher II | 16980 |
38.90%
|
3346 |
86.04%
|
|
|
|
10081 - Tight Words | 5652 |
51.93%
|
2283 |
90.32%
|
|
|
|
10082 - WERTYU | 111666 |
40.74%
|
31040 |
90.70%
|
|
|
|
10083 - Division | 25053 |
40.40%
|
2021 |
64.72%
|
|
|
|
10084 - Hotter Colder | 2253 |
36.44%
|
589 |
75.21%
|
|
|
|
10085 - The most distant state | 2407 |
46.78%
|
750 |
86.13%
|
|
|
|
10086 - Test the Rods | 2437 |
44.40%
|
776 |
87.11%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 603 |
29.19%
|
192 |
69.27%
|
|
|
|
10088 - Trees on My Island | 6712 |
38.01%
|
1647 |
87.74%
|
|
|
|
10089 - Repackaging | 4578 |
33.81%
|
1234 |
76.58%
|
|
|
|
10090 - Marbles | 20918 |
26.52%
|
4304 |
72.33%
|
|
|
|
10091 - The Valentine's Day | 1353 |
22.32%
|
348 |
65.52%
|
|
|
|
10092 - The Problem with the Problem Setter | 9610 |
40.49%
|
2243 |
84.31%
|
|
|
|
10093 - An Easy Problem! | 26442 |
25.44%
|
5295 |
72.05%
|
|
|
|
10094 - Place the Guards | 2528 |
29.47%
|
779 |
64.83%
|
|
|
|
10095 - Saving the Planet | 1095 |
18.90%
|
203 |
55.17%
|
|
|
|
10096 - The Richest Man of the Universe | 2414 |
3.11%
|
323 |
13.93%
|
|
|
|
10097 - The Color Game | 1484 |
51.55%
|
651 |
83.87%
|
|
|
|
10098 - Generating Fast | 26738 |
44.96%
|
8471 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37200 |
32.42%
|
8095 |
84.55%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |