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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36313 |
25.52%
|
8312 |
65.30%
|
|
|
|
10001 - Garden of Eden | 7073 |
40.79%
|
2539 |
72.78%
|
|
|
|
10002 - Center of Masses | 11658 |
29.26%
|
2403 |
68.46%
|
|
|
|
10003 - Cutting Sticks | 58939 |
48.61%
|
15399 |
90.02%
|
|
|
|
10004 - Bicoloring | 86725 |
50.17%
|
23104 |
90.91%
|
|
|
|
10005 - Packing polygons | 12584 |
20.03%
|
2813 |
54.18%
|
|
|
|
10006 - Carmichael Numbers | 45338 |
38.02%
|
10947 |
85.37%
|
|
|
|
10007 - Count the Trees | 9128 |
44.88%
|
3593 |
77.85%
|
|
|
|
10008 - What's Cryptanalysis? | 44343 |
57.29%
|
17985 |
94.01%
|
|
|
|
10009 - All Roads Lead Where? | 15888 |
34.77%
|
4446 |
82.48%
|
|
|
|
10010 - Where's Waldorf? | 46702 |
32.04%
|
12128 |
82.79%
|
|
|
|
10011 - Where Can You Hide? | 4167 |
10.63%
|
600 |
40.50%
|
|
|
|
10012 - How Big Is It? | 11642 |
30.54%
|
2653 |
70.07%
|
|
|
|
10013 - Super long sums | 54258 |
27.70%
|
10168 |
67.45%
|
|
|
|
10014 - Simple calculations | 12738 |
31.81%
|
4117 |
70.90%
|
|
|
|
10015 - Joseph's Cousin | 10142 |
31.09%
|
3581 |
54.01%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3023 |
47.54%
|
1297 |
80.03%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6892 |
24.96%
|
1876 |
56.72%
|
|
|
|
10018 - Reverse and Add | 106993 |
42.81%
|
28794 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24002 |
70.61%
|
12685 |
96.28%
|
|
|
10020 - Minimal coverage | 29358 |
27.71%
|
5499 |
69.05%
|
|
|
|
10021 - Cube in the labirint | 1777 |
23.69%
|
512 |
65.04%
|
|
|
|
10022 - Delta-wave | 2577 |
30.15%
|
983 |
64.70%
|
|
|
|
10023 - Square root | 49158 |
22.93%
|
6361 |
31.93%
|
|
|
|
10024 - Curling up the cube | 2198 |
25.39%
|
683 |
56.22%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17724 |
28.60%
|
4477 |
77.75%
|
|
|
|
10026 - Shoemaker's Problem | 39509 |
34.34%
|
9654 |
83.91%
|
|
|
|
10027 - Language Cardinality | 2562 |
13.58%
|
509 |
52.46%
|
|
|
|
10028 - Demerit Points | 1565 |
24.66%
|
423 |
59.34%
|
|
|
|
10029 - Edit Step Ladders | 14865 |
22.98%
|
2681 |
64.75%
|
|
|
|
10030 - Computer Dialogue | 1055 |
27.49%
|
398 |
40.45%
|
|
|
|
10031 - Saskatchewan | 1261 |
7.30%
|
271 |
25.09%
|
|
|
|
10032 - Tug of War | 35896 |
14.22%
|
4988 |
45.71%
|
|
|
|
10033 - Interpreter | 37859 |
25.23%
|
6968 |
78.24%
|
|
|
|
10034 - Freckles | 51483 |
32.99%
|
11693 |
82.04%
|
|
|
|
10035 - Primary Arithmetic | 149238 |
29.80%
|
33210 |
87.52%
|
|
|
|
10036 - Divisibility | 26905 |
37.54%
|
5368 |
85.34%
|
|
|
|
10037 - Bridge | 27543 |
25.24%
|
6055 |
71.38%
|
|
|
|
10038 - Jolly Jumpers | 225751 |
28.30%
|
45344 |
84.25%
|
|
|
|
10039 - Railroads | 6424 |
28.81%
|
1404 |
75.64%
|
|
|
|
10040 - Ouroboros Snake | 3431 |
36.37%
|
673 |
60.77%
|
|
|
|
10041 - Vito's Family | 84719 |
44.06%
|
24864 |
88.37%
|
|
|
|
10042 - Smith Numbers | 21558 |
36.91%
|
5957 |
85.71%
|
|
|
|
10043 - Chainsaw Massacre | 5452 |
27.88%
|
777 |
67.31%
|
|
|
|
10044 - Erdos Numbers | 33574 |
20.15%
|
4652 |
71.50%
|
|
|
|
10045 - Echo | 2272 |
23.99%
|
446 |
46.41%
|
|
|
|
10046 - Fold-up Patterns | 136 |
19.85%
|
57 |
36.84%
|
|
|
|
10047 - The Monocycle | 11473 |
41.58%
|
2605 |
86.10%
|
|
|
|
10048 - Audiophobia | 28196 |
45.12%
|
7676 |
87.68%
|
|
|
|
10049 - Self-describing Sequence | 8415 |
51.82%
|
3515 |
87.74%
|
|
|
|
10050 - Hartals | 41979 |
60.48%
|
19244 |
94.61%
|
|
|
|
10051 - Tower of Cubes | 9968 |
37.58%
|
2744 |
83.97%
|
|
|
|
10052 - Inviting Politicians | 2553 |
7.79%
|
356 |
22.47%
|
|
|
|
10053 - Envelopes | 1286 |
18.35%
|
347 |
46.40%
|
|
|
|
10054 - The Necklace | 39432 |
26.26%
|
5546 |
71.19%
|
|
|
|
10055 - Hashmat the Brave Warrior | 367463 |
29.09%
|
72369 |
86.78%
|
|
|
|
10056 - What is the Probability ? | 18088 |
42.38%
|
5046 |
90.07%
|
|
|
|
10057 - A mid-summer night's dream. | 18546 |
37.92%
|
4568 |
84.24%
|
|
|
|
10058 - Jimmi's Riddles | 2532 |
36.73%
|
887 |
82.86%
|
|
|
|
10059 - The Hazard of CSE Department! | 550 |
1.82%
|
130 |
5.38%
|
|
|
|
10060 - A hole to catch a man | 3739 |
33.86%
|
1035 |
84.64%
|
|
|
|
10061 - How many zero's and how many digits ? | 10348 |
30.90%
|
2335 |
78.16%
|
|
|
|
10062 - Tell me the frequencies! | 66513 |
22.06%
|
13193 |
69.76%
|
|
|
|
10063 - Knuth's Permutation | 6749 |
42.30%
|
2381 |
72.28%
|
|
|
|
10064 - Traveling in another Dimension | 525 |
15.43%
|
159 |
39.62%
|
|
|
|
10065 - Useless Tile Packers | 8614 |
35.85%
|
2153 |
84.53%
|
|
|
|
10066 - The Twin Towers | 25033 |
47.24%
|
8532 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20475 |
42.67%
|
5757 |
89.16%
|
|
|
|
10068 - The Treasure Hunt | 1600 |
15.06%
|
367 |
42.23%
|
|
|
|
10069 - Distinct Subsequences | 19637 |
31.24%
|
4603 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62114 |
15.31%
|
11950 |
54.96%
|
|
|
|
10071 - Back to High School Physics | 189996 |
47.18%
|
61019 |
93.42%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1651 |
30.47%
|
532 |
58.83%
|
|
|
|
10073 - Constrained Exchange Sort | 1050 |
32.67%
|
192 |
55.73%
|
|
|
|
10074 - Take the Land | 15177 |
51.48%
|
5037 |
91.86%
|
|
|
|
10075 - Airlines | 3758 |
39.94%
|
1224 |
81.54%
|
|
|
|
10076 - The Bumpy Robot | 1138 |
27.24%
|
268 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16411 |
56.53%
|
6652 |
93.39%
|
|
|
|
10078 - The Art Gallery | 9221 |
46.87%
|
2742 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 54726 |
44.30%
|
18563 |
94.18%
|
|
|
|
10080 - Gopher II | 16916 |
38.94%
|
3335 |
86.06%
|
|
|
|
10081 - Tight Words | 5619 |
51.98%
|
2272 |
90.36%
|
|
|
|
10082 - WERTYU | 111310 |
40.75%
|
30979 |
90.72%
|
|
|
|
10083 - Division | 25015 |
40.44%
|
2016 |
64.78%
|
|
|
|
10084 - Hotter Colder | 2238 |
36.42%
|
583 |
75.30%
|
|
|
|
10085 - The most distant state | 2406 |
46.80%
|
749 |
86.25%
|
|
|
|
10086 - Test the Rods | 2436 |
44.42%
|
775 |
87.23%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
|
|
10088 - Trees on My Island | 6672 |
37.86%
|
1640 |
87.74%
|
|
|
|
10089 - Repackaging | 4571 |
33.76%
|
1232 |
76.62%
|
|
|
|
10090 - Marbles | 20728 |
26.37%
|
4293 |
72.30%
|
|
|
|
10091 - The Valentine's Day | 1349 |
22.39%
|
345 |
66.09%
|
|
|
|
10092 - The Problem with the Problem Setter | 9585 |
40.40%
|
2240 |
84.33%
|
|
|
|
10093 - An Easy Problem! | 25576 |
25.30%
|
5186 |
71.62%
|
|
|
|
10094 - Place the Guards | 2527 |
29.48%
|
778 |
64.91%
|
|
|
|
10095 - Saving the Planet | 1093 |
18.85%
|
201 |
55.22%
|
|
|
|
10096 - The Richest Man of the Universe | 2413 |
3.11%
|
322 |
13.98%
|
|
|
|
10097 - The Color Game | 1483 |
51.58%
|
650 |
84.00%
|
|
|
|
10098 - Generating Fast | 26666 |
44.94%
|
8465 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 36808 |
32.32%
|
8055 |
84.52%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |