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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 35426 |
25.26%
|
8204 |
65.04%
|
|
|
|
10001 - Garden of Eden | 6943 |
40.76%
|
2502 |
72.62%
|
|
|
|
10002 - Center of Masses | 11401 |
29.22%
|
2385 |
68.39%
|
|
|
|
10003 - Cutting Sticks | 56166 |
48.48%
|
15000 |
89.99%
|
|
|
|
10004 - Bicoloring | 83704 |
49.78%
|
22765 |
90.85%
|
|
|
|
10005 - Packing polygons | 12034 |
19.66%
|
2757 |
53.83%
|
|
|
|
10006 - Carmichael Numbers | 44814 |
37.98%
|
10855 |
85.39%
|
|
|
|
10007 - Count the Trees | 8746 |
44.99%
|
3535 |
77.74%
|
|
|
|
10008 - What's Cryptanalysis? | 41944 |
57.34%
|
17495 |
93.90%
|
|
|
|
10009 - All Roads Lead Where? | 15595 |
34.59%
|
4392 |
82.42%
|
|
|
|
10010 - Where's Waldorf? | 45415 |
31.43%
|
11577 |
82.28%
|
|
|
|
10011 - Where Can You Hide? | 4128 |
10.54%
|
592 |
39.86%
|
|
|
|
10012 - How Big Is It? | 11105 |
30.16%
|
2602 |
69.95%
|
|
|
|
10013 - Super long sums | 53687 |
27.51%
|
10100 |
67.31%
|
|
|
|
10014 - Simple calculations | 12658 |
31.81%
|
4097 |
70.88%
|
|
|
|
10015 - Joseph's Cousin | 9809 |
30.61%
|
3522 |
53.32%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 2960 |
47.43%
|
1278 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6750 |
25.04%
|
1865 |
56.51%
|
|
|
|
10018 - Reverse and Add | 104383 |
42.62%
|
28023 |
88.73%
|
|
|
|
10019 - Funny Encryption Method | 22558 |
70.91%
|
12360 |
96.25%
|
|
|
10020 - Minimal coverage | 28346 |
27.27%
|
5363 |
68.53%
|
|
|
|
10021 - Cube in the labirint | 1691 |
23.06%
|
497 |
64.59%
|
|
|
|
10022 - Delta-wave | 2529 |
29.93%
|
972 |
64.30%
|
|
|
|
10023 - Square root | 47768 |
22.58%
|
6264 |
31.11%
|
|
|
|
10024 - Curling up the cube | 2131 |
24.68%
|
670 |
55.67%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17600 |
28.52%
|
4453 |
77.68%
|
|
|
|
10026 - Shoemaker's Problem | 38303 |
33.96%
|
9263 |
83.54%
|
|
|
|
10027 - Language Cardinality | 2500 |
13.64%
|
505 |
51.88%
|
|
|
|
10028 - Demerit Points | 1542 |
24.51%
|
416 |
58.89%
|
|
|
|
10029 - Edit Step Ladders | 14752 |
22.82%
|
2655 |
64.63%
|
|
|
|
10030 - Computer Dialogue | 1042 |
27.35%
|
395 |
40.51%
|
|
|
|
10031 - Saskatchewan | 1236 |
6.88%
|
264 |
23.86%
|
|
|
|
10032 - Tug of War | 35444 |
14.11%
|
4931 |
45.43%
|
|
|
|
10033 - Interpreter | 36898 |
24.77%
|
6634 |
77.63%
|
|
|
|
10034 - Freckles | 50311 |
32.83%
|
11580 |
81.99%
|
|
|
|
10035 - Primary Arithmetic | 142697 |
29.41%
|
32020 |
87.16%
|
|
|
|
10036 - Divisibility | 24719 |
37.24%
|
5184 |
85.20%
|
|
|
|
10037 - Bridge | 26292 |
24.65%
|
5670 |
70.30%
|
|
|
|
10038 - Jolly Jumpers | 218479 |
27.93%
|
43838 |
83.98%
|
|
|
|
10039 - Railroads | 6225 |
28.88%
|
1377 |
75.31%
|
|
|
|
10040 - Ouroboros Snake | 3366 |
36.36%
|
658 |
60.33%
|
|
|
|
10041 - Vito's Family | 80612 |
43.42%
|
23685 |
87.99%
|
|
|
|
10042 - Smith Numbers | 21129 |
36.68%
|
5878 |
85.54%
|
|
|
|
10043 - Chainsaw Massacre | 5383 |
28.00%
|
768 |
67.19%
|
|
|
|
10044 - Erdos Numbers | 32475 |
19.58%
|
4372 |
70.36%
|
|
|
|
10045 - Echo | 2235 |
23.94%
|
437 |
46.00%
|
|
|
|
10046 - Fold-up Patterns | 133 |
20.30%
|
54 |
38.89%
|
|
|
|
10047 - The Monocycle | 11119 |
41.73%
|
2554 |
86.18%
|
|
|
|
10048 - Audiophobia | 27082 |
45.13%
|
7524 |
87.59%
|
|
|
|
10049 - Self-describing Sequence | 8145 |
51.88%
|
3438 |
87.90%
|
|
|
|
10050 - Hartals | 39832 |
60.17%
|
18315 |
94.46%
|
|
|
|
10051 - Tower of Cubes | 9691 |
37.62%
|
2719 |
84.00%
|
|
|
|
10052 - Inviting Politicians | 2525 |
7.88%
|
350 |
22.86%
|
|
|
|
10053 - Envelopes | 1284 |
18.30%
|
345 |
46.38%
|
|
|
|
10054 - The Necklace | 37972 |
26.02%
|
5413 |
70.83%
|
|
|
|
10055 - Hashmat the Brave Warrior | 358191 |
29.03%
|
71336 |
86.73%
|
|
|
|
10056 - What is the Probability ? | 16374 |
42.51%
|
4738 |
89.83%
|
|
|
|
10057 - A mid-summer night's dream. | 16717 |
37.24%
|
4242 |
83.52%
|
|
|
|
10058 - Jimmi's Riddles | 2494 |
36.65%
|
870 |
83.10%
|
|
|
|
10059 - The Hazard of CSE Department! | 490 |
2.04%
|
119 |
5.88%
|
|
|
|
10060 - A hole to catch a man | 3680 |
33.78%
|
1027 |
84.62%
|
|
|
|
10061 - How many zero's and how many digits ? | 10227 |
30.97%
|
2325 |
78.11%
|
|
|
|
10062 - Tell me the frequencies! | 63329 |
21.74%
|
12844 |
69.26%
|
|
|
|
10063 - Knuth's Permutation | 6498 |
42.26%
|
2346 |
72.42%
|
|
|
|
10064 - Traveling in another Dimension | 505 |
15.45%
|
154 |
39.61%
|
|
|
|
10065 - Useless Tile Packers | 8419 |
35.56%
|
2140 |
84.53%
|
|
|
|
10066 - The Twin Towers | 24490 |
47.21%
|
8458 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20313 |
42.56%
|
5717 |
89.12%
|
|
|
|
10068 - The Treasure Hunt | 1597 |
15.03%
|
365 |
42.19%
|
|
|
|
10069 - Distinct Subsequences | 19258 |
30.92%
|
4536 |
76.48%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 61332 |
15.25%
|
11871 |
54.93%
|
|
|
|
10071 - Back to High School Physics | 182282 |
47.38%
|
59853 |
93.42%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1636 |
30.38%
|
525 |
58.86%
|
|
|
|
10073 - Constrained Exchange Sort | 1037 |
32.21%
|
189 |
55.56%
|
|
|
|
10074 - Take the Land | 14807 |
51.33%
|
4959 |
91.83%
|
|
|
|
10075 - Airlines | 3724 |
39.96%
|
1214 |
81.47%
|
|
|
|
10076 - The Bumpy Robot | 1135 |
27.22%
|
267 |
66.29%
|
|
|
|
10077 - The Stern-Brocot Number System | 15778 |
56.32%
|
6393 |
93.38%
|
|
|
|
10078 - The Art Gallery | 8830 |
46.65%
|
2709 |
90.18%
|
|
|
|
10079 - Pizza Cutting | 53396 |
44.45%
|
18457 |
94.18%
|
|
|
|
10080 - Gopher II | 16655 |
38.99%
|
3288 |
85.98%
|
|
|
|
10081 - Tight Words | 5303 |
52.71%
|
2209 |
90.49%
|
|
|
|
10082 - WERTYU | 108068 |
40.53%
|
30016 |
90.62%
|
|
|
|
10083 - Division | 20697 |
37.40%
|
1928 |
63.74%
|
|
|
|
10084 - Hotter Colder | 2208 |
36.23%
|
570 |
75.44%
|
|
|
|
10085 - The most distant state | 2381 |
46.66%
|
742 |
86.12%
|
|
|
|
10086 - Test the Rods | 2407 |
44.04%
|
760 |
87.11%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
|
|
10088 - Trees on My Island | 6586 |
37.67%
|
1629 |
87.66%
|
|
|
|
10089 - Repackaging | 4505 |
33.81%
|
1214 |
76.77%
|
|
|
|
10090 - Marbles | 19997 |
26.12%
|
4210 |
72.14%
|
|
|
|
10091 - The Valentine's Day | 1337 |
22.44%
|
338 |
67.16%
|
|
|
|
10092 - The Problem with the Problem Setter | 9432 |
40.19%
|
2209 |
84.29%
|
|
|
|
10093 - An Easy Problem! | 22600 |
25.48%
|
4874 |
70.97%
|
|
|
|
10094 - Place the Guards | 2475 |
29.58%
|
767 |
65.19%
|
|
|
|
10095 - Saving the Planet | 1089 |
18.82%
|
200 |
55.00%
|
|
|
|
10096 - The Richest Man of the Universe | 2383 |
2.90%
|
315 |
13.33%
|
|
|
|
10097 - The Color Game | 1472 |
51.56%
|
646 |
83.90%
|
|
|
|
10098 - Generating Fast | 26471 |
44.84%
|
8435 |
86.08%
|
|
|
|
10099 - The Tourist Guide | 35835 |
32.21%
|
7968 |
84.48%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |