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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36576 |
25.64%
|
8372 |
65.42%
|
|
|
|
10001 - Garden of Eden | 7244 |
41.07%
|
2566 |
72.88%
|
|
|
|
10002 - Center of Masses | 11741 |
29.38%
|
2418 |
68.53%
|
|
|
|
10003 - Cutting Sticks | 60436 |
48.75%
|
15570 |
90.04%
|
|
|
|
10004 - Bicoloring | 88246 |
50.45%
|
23245 |
90.96%
|
|
|
|
10005 - Packing polygons | 12708 |
20.11%
|
2826 |
54.25%
|
|
|
|
10006 - Carmichael Numbers | 45611 |
38.05%
|
10987 |
85.40%
|
|
|
|
10007 - Count the Trees | 9234 |
45.04%
|
3615 |
77.93%
|
|
|
|
10008 - What's Cryptanalysis? | 45598 |
57.54%
|
18241 |
94.08%
|
|
|
|
10009 - All Roads Lead Where? | 15980 |
34.81%
|
4465 |
82.51%
|
|
|
|
10010 - Where's Waldorf? | 47357 |
32.40%
|
12365 |
83.08%
|
|
|
|
10011 - Where Can You Hide? | 4243 |
10.70%
|
618 |
40.78%
|
|
|
|
10012 - How Big Is It? | 11921 |
30.90%
|
2681 |
70.27%
|
|
|
|
10013 - Super long sums | 54556 |
27.83%
|
10187 |
67.49%
|
|
|
|
10014 - Simple calculations | 12803 |
31.82%
|
4129 |
70.94%
|
|
|
|
10015 - Joseph's Cousin | 10288 |
31.27%
|
3606 |
54.27%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7153 |
24.42%
|
1882 |
56.75%
|
|
|
|
10018 - Reverse and Add | 107865 |
43.02%
|
29078 |
89.04%
|
|
|
|
10019 - Funny Encryption Method | 24708 |
70.74%
|
12880 |
96.32%
|
|
|
10020 - Minimal coverage | 29772 |
28.10%
|
5562 |
69.22%
|
|
|
|
10021 - Cube in the labirint | 1791 |
23.73%
|
516 |
64.92%
|
|
|
|
10022 - Delta-wave | 2600 |
30.00%
|
990 |
64.55%
|
|
|
|
10023 - Square root | 50798 |
23.12%
|
6440 |
32.75%
|
|
|
|
10024 - Curling up the cube | 2268 |
25.75%
|
696 |
56.75%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17851 |
28.61%
|
4488 |
77.74%
|
|
|
|
10026 - Shoemaker's Problem | 40195 |
34.64%
|
9848 |
84.12%
|
|
|
|
10027 - Language Cardinality | 2604 |
13.59%
|
516 |
52.13%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15011 |
23.14%
|
2700 |
64.78%
|
|
|
|
10030 - Computer Dialogue | 1060 |
27.64%
|
401 |
40.90%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36129 |
14.31%
|
5020 |
46.00%
|
|
|
|
10033 - Interpreter | 38660 |
25.55%
|
7186 |
78.65%
|
|
|
|
10034 - Freckles | 52539 |
33.23%
|
11767 |
82.10%
|
|
|
|
10035 - Primary Arithmetic | 152360 |
30.03%
|
33732 |
87.68%
|
|
|
|
10036 - Divisibility | 27940 |
37.76%
|
5439 |
85.49%
|
|
|
|
10037 - Bridge | 27869 |
25.45%
|
6144 |
71.66%
|
|
|
|
10038 - Jolly Jumpers | 228752 |
28.54%
|
45915 |
84.38%
|
|
|
|
10039 - Railroads | 6493 |
28.74%
|
1416 |
75.42%
|
|
|
|
10040 - Ouroboros Snake | 3488 |
35.92%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86762 |
44.45%
|
25392 |
88.57%
|
|
|
|
10042 - Smith Numbers | 21913 |
37.05%
|
6008 |
85.79%
|
|
|
|
10043 - Chainsaw Massacre | 5482 |
27.82%
|
785 |
67.01%
|
|
|
|
10044 - Erdos Numbers | 34024 |
20.42%
|
4722 |
71.75%
|
|
|
|
10045 - Echo | 2284 |
23.91%
|
449 |
46.33%
|
|
|
|
10046 - Fold-up Patterns | 140 |
19.29%
|
60 |
35.00%
|
|
|
|
10047 - The Monocycle | 11665 |
41.67%
|
2621 |
86.15%
|
|
|
|
10048 - Audiophobia | 28612 |
45.14%
|
7726 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8518 |
51.70%
|
3543 |
87.72%
|
|
|
|
10050 - Hartals | 43040 |
60.70%
|
19611 |
94.68%
|
|
|
|
10051 - Tower of Cubes | 10175 |
37.50%
|
2774 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2675 |
7.51%
|
360 |
22.78%
|
|
|
|
10053 - Envelopes | 1298 |
18.49%
|
352 |
46.31%
|
|
|
|
10054 - The Necklace | 39995 |
26.40%
|
5584 |
71.33%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371492 |
29.22%
|
72806 |
86.83%
|
|
|
|
10056 - What is the Probability ? | 19283 |
42.58%
|
5262 |
90.40%
|
|
|
|
10057 - A mid-summer night's dream. | 19606 |
38.51%
|
4761 |
84.77%
|
|
|
|
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 | 3758 |
33.90%
|
1039 |
84.60%
|
|
|
|
10061 - How many zero's and how many digits ? | 10429 |
31.03%
|
2343 |
78.19%
|
|
|
|
10062 - Tell me the frequencies! | 67769 |
22.42%
|
13389 |
70.09%
|
|
|
|
10063 - Knuth's Permutation | 6773 |
42.24%
|
2393 |
72.17%
|
|
|
|
10064 - Traveling in another Dimension | 553 |
15.01%
|
162 |
39.51%
|
|
|
|
10065 - Useless Tile Packers | 8685 |
35.95%
|
2160 |
84.49%
|
|
|
|
10066 - The Twin Towers | 25297 |
47.18%
|
8558 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20553 |
42.72%
|
5778 |
89.18%
|
|
|
|
10068 - The Treasure Hunt | 1606 |
15.07%
|
370 |
42.16%
|
|
|
|
10069 - Distinct Subsequences | 19871 |
31.38%
|
4618 |
76.48%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62636 |
15.32%
|
11962 |
54.98%
|
|
|
|
10071 - Back to High School Physics | 192872 |
47.17%
|
61490 |
93.44%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1657 |
30.42%
|
534 |
58.80%
|
|
|
|
10073 - Constrained Exchange Sort | 1051 |
32.64%
|
193 |
55.44%
|
|
|
|
10074 - Take the Land | 15262 |
51.51%
|
5056 |
91.87%
|
|
|
|
10075 - Airlines | 3799 |
40.27%
|
1234 |
81.52%
|
|
|
|
10076 - The Bumpy Robot | 1159 |
27.09%
|
273 |
66.30%
|
|
|
|
10077 - The Stern-Brocot Number System | 16757 |
56.85%
|
6838 |
93.52%
|
|
|
|
10078 - The Art Gallery | 9454 |
47.05%
|
2760 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 55398 |
44.37%
|
18663 |
94.19%
|
|
|
|
10080 - Gopher II | 17020 |
38.91%
|
3354 |
86.05%
|
|
|
|
10081 - Tight Words | 5698 |
52.04%
|
2292 |
90.36%
|
|
|
|
10082 - WERTYU | 112564 |
40.87%
|
31309 |
90.75%
|
|
|
|
10083 - Division | 25089 |
40.37%
|
2026 |
64.76%
|
|
|
|
10084 - Hotter Colder | 2264 |
36.53%
|
592 |
75.00%
|
|
|
|
10085 - The most distant state | 2443 |
47.07%
|
754 |
86.21%
|
|
|
|
10086 - Test the Rods | 2442 |
44.47%
|
779 |
87.16%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 608 |
28.95%
|
193 |
68.91%
|
|
|
|
10088 - Trees on My Island | 6774 |
38.15%
|
1659 |
87.82%
|
|
|
|
10089 - Repackaging | 4613 |
33.73%
|
1240 |
76.61%
|
|
|
|
10090 - Marbles | 21093 |
26.58%
|
4326 |
72.40%
|
|
|
|
10091 - The Valentine's Day | 1360 |
22.21%
|
351 |
64.96%
|
|
|
|
10092 - The Problem with the Problem Setter | 9623 |
40.53%
|
2246 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 27141 |
25.72%
|
5365 |
72.32%
|
|
|
|
10094 - Place the Guards | 2530 |
29.53%
|
781 |
64.92%
|
|
|
|
10095 - Saving the Planet | 1099 |
18.84%
|
204 |
54.90%
|
|
|
|
10096 - The Richest Man of the Universe | 2430 |
3.09%
|
325 |
13.85%
|
|
|
|
10097 - The Color Game | 1493 |
51.37%
|
654 |
83.79%
|
|
|
|
10098 - Generating Fast | 26795 |
45.00%
|
8479 |
86.13%
|
|
|
|
10099 - The Tourist Guide | 37632 |
32.44%
|
8137 |
84.56%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |