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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36428 |
25.58%
|
8346 |
65.36%
|
|
|
|
10001 - Garden of Eden | 7180 |
41.06%
|
2553 |
72.78%
|
|
|
|
10002 - Center of Masses | 11690 |
29.32%
|
2412 |
68.45%
|
|
|
|
10003 - Cutting Sticks | 59757 |
48.62%
|
15497 |
90.04%
|
|
|
|
10004 - Bicoloring | 87692 |
50.31%
|
23191 |
90.94%
|
|
|
|
10005 - Packing polygons | 12684 |
20.06%
|
2823 |
54.20%
|
|
|
|
10006 - Carmichael Numbers | 45504 |
38.03%
|
10962 |
85.38%
|
|
|
|
10007 - Count the Trees | 9195 |
45.00%
|
3608 |
77.88%
|
|
|
|
10008 - What's Cryptanalysis? | 44990 |
57.39%
|
18154 |
94.05%
|
|
|
|
10009 - All Roads Lead Where? | 15950 |
34.79%
|
4459 |
82.48%
|
|
|
|
10010 - Where's Waldorf? | 46867 |
32.12%
|
12163 |
82.80%
|
|
|
|
10011 - Where Can You Hide? | 4234 |
10.68%
|
616 |
40.75%
|
|
|
|
10012 - How Big Is It? | 11846 |
30.85%
|
2669 |
70.14%
|
|
|
|
10013 - Super long sums | 54529 |
27.80%
|
10180 |
67.47%
|
|
|
|
10014 - Simple calculations | 12797 |
31.81%
|
4127 |
70.92%
|
|
|
|
10015 - Joseph's Cousin | 10215 |
31.18%
|
3594 |
54.15%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 3035 |
47.48%
|
1303 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 7120 |
24.49%
|
1881 |
56.73%
|
|
|
|
10018 - Reverse and Add | 107145 |
42.84%
|
28816 |
88.96%
|
|
|
|
10019 - Funny Encryption Method | 24383 |
70.59%
|
12820 |
96.30%
|
|
|
10020 - Minimal coverage | 29541 |
27.88%
|
5532 |
69.14%
|
|
|
|
10021 - Cube in the labirint | 1786 |
23.68%
|
514 |
64.98%
|
|
|
|
10022 - Delta-wave | 2582 |
30.09%
|
985 |
64.57%
|
|
|
|
10023 - Square root | 50772 |
23.11%
|
6436 |
32.69%
|
|
|
|
10024 - Curling up the cube | 2236 |
25.72%
|
692 |
56.65%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17786 |
28.62%
|
4481 |
77.75%
|
|
|
|
10026 - Shoemaker's Problem | 39586 |
34.37%
|
9671 |
83.92%
|
|
|
|
10027 - Language Cardinality | 2573 |
13.64%
|
511 |
52.45%
|
|
|
|
10028 - Demerit Points | 1567 |
24.63%
|
425 |
59.06%
|
|
|
|
10029 - Edit Step Ladders | 14987 |
23.11%
|
2696 |
64.73%
|
|
|
|
10030 - Computer Dialogue | 1059 |
27.57%
|
401 |
40.65%
|
|
|
|
10031 - Saskatchewan | 1262 |
7.29%
|
272 |
25.00%
|
|
|
|
10032 - Tug of War | 35993 |
14.25%
|
5003 |
45.83%
|
|
|
|
10033 - Interpreter | 38198 |
25.32%
|
7011 |
78.31%
|
|
|
|
10034 - Freckles | 52142 |
33.15%
|
11727 |
82.06%
|
|
|
|
10035 - Primary Arithmetic | 150444 |
29.89%
|
33407 |
87.57%
|
|
|
|
10036 - Divisibility | 27404 |
37.68%
|
5408 |
85.37%
|
|
|
|
10037 - Bridge | 27648 |
25.28%
|
6064 |
71.39%
|
|
|
|
10038 - Jolly Jumpers | 227396 |
28.40%
|
45577 |
84.29%
|
|
|
|
10039 - Railroads | 6443 |
28.78%
|
1409 |
75.44%
|
|
|
|
10040 - Ouroboros Snake | 3486 |
35.94%
|
680 |
60.44%
|
|
|
|
10041 - Vito's Family | 85721 |
44.20%
|
25090 |
88.46%
|
|
|
|
10042 - Smith Numbers | 21765 |
36.97%
|
5974 |
85.74%
|
|
|
|
10043 - Chainsaw Massacre | 5458 |
27.90%
|
779 |
67.27%
|
|
|
|
10044 - Erdos Numbers | 33766 |
20.30%
|
4661 |
71.51%
|
|
|
|
10045 - Echo | 2273 |
23.98%
|
447 |
46.31%
|
|
|
|
10046 - Fold-up Patterns | 137 |
19.71%
|
58 |
36.21%
|
|
|
|
10047 - The Monocycle | 11562 |
41.71%
|
2613 |
86.15%
|
|
|
|
10048 - Audiophobia | 28444 |
45.14%
|
7698 |
87.66%
|
|
|
|
10049 - Self-describing Sequence | 8438 |
51.80%
|
3519 |
87.72%
|
|
|
|
10050 - Hartals | 42441 |
60.51%
|
19383 |
94.63%
|
|
|
|
10051 - Tower of Cubes | 10064 |
37.75%
|
2757 |
83.97%
|
|
|
|
10052 - Inviting Politicians | 2666 |
7.46%
|
358 |
22.35%
|
|
|
|
10053 - Envelopes | 1291 |
18.44%
|
351 |
46.15%
|
|
|
|
10054 - The Necklace | 39671 |
26.37%
|
5564 |
71.24%
|
|
|
|
10055 - Hashmat the Brave Warrior | 370071 |
29.15%
|
72649 |
86.81%
|
|
|
|
10056 - What is the Probability ? | 18805 |
42.38%
|
5187 |
90.32%
|
|
|
|
10057 - A mid-summer night's dream. | 19164 |
38.15%
|
4696 |
84.60%
|
|
|
|
10058 - Jimmi's Riddles | 2534 |
36.74%
|
889 |
82.79%
|
|
|
|
10059 - The Hazard of CSE Department! | 554 |
1.81%
|
132 |
5.30%
|
|
|
|
10060 - A hole to catch a man | 3756 |
33.87%
|
1038 |
84.59%
|
|
|
|
10061 - How many zero's and how many digits ? | 10394 |
30.94%
|
2339 |
78.15%
|
|
|
|
10062 - Tell me the frequencies! | 67234 |
22.24%
|
13326 |
69.97%
|
|
|
|
10063 - Knuth's Permutation | 6769 |
42.22%
|
2389 |
72.16%
|
|
|
|
10064 - Traveling in another Dimension | 550 |
14.73%
|
162 |
38.89%
|
|
|
|
10065 - Useless Tile Packers | 8664 |
35.94%
|
2157 |
84.52%
|
|
|
|
10066 - The Twin Towers | 25198 |
47.18%
|
8547 |
90.30%
|
|
|
|
10067 - Playing with Wheels | 20504 |
42.68%
|
5762 |
89.15%
|
|
|
|
10068 - The Treasure Hunt | 1601 |
15.05%
|
368 |
42.12%
|
|
|
|
10069 - Distinct Subsequences | 19825 |
31.35%
|
4608 |
76.45%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 62344 |
15.34%
|
11957 |
54.97%
|
|
|
|
10071 - Back to High School Physics | 191878 |
47.14%
|
61332 |
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 | 15219 |
51.49%
|
5046 |
91.85%
|
|
|
|
10075 - Airlines | 3774 |
40.04%
|
1228 |
81.43%
|
|
|
|
10076 - The Bumpy Robot | 1141 |
27.34%
|
271 |
66.42%
|
|
|
|
10077 - The Stern-Brocot Number System | 16467 |
56.51%
|
6666 |
93.37%
|
|
|
|
10078 - The Art Gallery | 9247 |
46.89%
|
2752 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 55076 |
44.33%
|
18614 |
94.18%
|
|
|
|
10080 - Gopher II | 16995 |
38.90%
|
3348 |
86.05%
|
|
|
|
10081 - Tight Words | 5655 |
51.94%
|
2284 |
90.32%
|
|
|
|
10082 - WERTYU | 111839 |
40.75%
|
31049 |
90.70%
|
|
|
|
10083 - Division | 25053 |
40.40%
|
2021 |
64.72%
|
|
|
|
10084 - Hotter Colder | 2261 |
36.58%
|
590 |
75.25%
|
|
|
|
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 | 6724 |
38.06%
|
1649 |
87.75%
|
|
|
|
10089 - Repackaging | 4579 |
33.83%
|
1234 |
76.58%
|
|
|
|
10090 - Marbles | 20930 |
26.53%
|
4306 |
72.34%
|
|
|
|
10091 - The Valentine's Day | 1353 |
22.32%
|
348 |
65.52%
|
|
|
|
10092 - The Problem with the Problem Setter | 9614 |
40.50%
|
2243 |
84.31%
|
|
|
|
10093 - An Easy Problem! | 26532 |
25.47%
|
5316 |
72.16%
|
|
|
|
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 | 26741 |
44.96%
|
8471 |
86.12%
|
|
|
|
10099 - The Tourist Guide | 37239 |
32.42%
|
8100 |
84.56%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |