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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 35651 |
25.28%
|
8215 |
65.05%
|
|
|
|
10001 - Garden of Eden | 6947 |
40.79%
|
2506 |
72.67%
|
|
|
|
10002 - Center of Masses | 11525 |
29.21%
|
2386 |
68.40%
|
|
|
|
10003 - Cutting Sticks | 56472 |
48.47%
|
15054 |
90.00%
|
|
|
|
10004 - Bicoloring | 84243 |
49.87%
|
22801 |
90.86%
|
|
|
|
10005 - Packing polygons | 12071 |
19.68%
|
2766 |
53.90%
|
|
|
|
10006 - Carmichael Numbers | 44825 |
37.98%
|
10861 |
85.37%
|
|
|
|
10007 - Count the Trees | 8764 |
45.01%
|
3539 |
77.73%
|
|
|
|
10008 - What's Cryptanalysis? | 42066 |
57.38%
|
17515 |
93.91%
|
|
|
|
10009 - All Roads Lead Where? | 15606 |
34.60%
|
4395 |
82.43%
|
|
|
|
10010 - Where's Waldorf? | 45595 |
31.54%
|
11661 |
82.39%
|
|
|
|
10011 - Where Can You Hide? | 4140 |
10.58%
|
594 |
40.24%
|
|
|
|
10012 - How Big Is It? | 11112 |
30.18%
|
2607 |
69.97%
|
|
|
|
10013 - Super long sums | 53751 |
27.56%
|
10105 |
67.30%
|
|
|
|
10014 - Simple calculations | 12658 |
31.81%
|
4097 |
70.88%
|
|
|
|
10015 - Joseph's Cousin | 9824 |
30.66%
|
3530 |
53.40%
|
|
|
|
10016 - Flip-Flop the Squarelotron | 2976 |
47.45%
|
1283 |
79.89%
|
|
|
|
10017 - The Never Ending Towers of Hanoi | 6758 |
25.05%
|
1867 |
56.56%
|
|
|
|
10018 - Reverse and Add | 104831 |
42.70%
|
28178 |
88.79%
|
|
|
|
10019 - Funny Encryption Method | 22595 |
70.93%
|
12379 |
96.24%
|
|
|
10020 - Minimal coverage | 28435 |
27.32%
|
5389 |
68.64%
|
|
|
|
10021 - Cube in the labirint | 1693 |
23.15%
|
498 |
64.66%
|
|
|
|
10022 - Delta-wave | 2529 |
29.93%
|
972 |
64.30%
|
|
|
|
10023 - Square root | 47885 |
22.66%
|
6269 |
31.17%
|
|
|
|
10024 - Curling up the cube | 2132 |
24.72%
|
670 |
55.82%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17614 |
28.54%
|
4457 |
77.70%
|
|
|
|
10026 - Shoemaker's Problem | 38461 |
34.05%
|
9328 |
83.65%
|
|
|
|
10027 - Language Cardinality | 2500 |
13.64%
|
505 |
51.88%
|
|
|
|
10028 - Demerit Points | 1542 |
24.51%
|
416 |
58.89%
|
|
|
|
10029 - Edit Step Ladders | 14761 |
22.84%
|
2660 |
64.70%
|
|
|
|
10030 - Computer Dialogue | 1044 |
27.49%
|
395 |
40.51%
|
|
|
|
10031 - Saskatchewan | 1237 |
6.95%
|
265 |
24.15%
|
|
|
|
10032 - Tug of War | 35462 |
14.12%
|
4933 |
45.45%
|
|
|
|
10033 - Interpreter | 36930 |
24.82%
|
6644 |
77.66%
|
|
|
|
10034 - Freckles | 50372 |
32.83%
|
11591 |
81.99%
|
|
|
|
10035 - Primary Arithmetic | 143137 |
29.48%
|
32182 |
87.21%
|
|
|
|
10036 - Divisibility | 25010 |
37.13%
|
5204 |
85.22%
|
|
|
|
10037 - Bridge | 26531 |
24.77%
|
5764 |
70.58%
|
|
|
|
10038 - Jolly Jumpers | 219296 |
27.96%
|
43970 |
84.01%
|
|
|
|
10039 - Railroads | 6225 |
28.88%
|
1377 |
75.31%
|
|
|
|
10040 - Ouroboros Snake | 3368 |
36.37%
|
660 |
60.30%
|
|
|
|
10041 - Vito's Family | 80947 |
43.52%
|
23814 |
88.06%
|
|
|
|
10042 - Smith Numbers | 21169 |
36.73%
|
5885 |
85.56%
|
|
|
|
10043 - Chainsaw Massacre | 5383 |
28.00%
|
768 |
67.19%
|
|
|
|
10044 - Erdos Numbers | 32512 |
19.61%
|
4382 |
70.40%
|
|
|
|
10045 - Echo | 2235 |
23.94%
|
437 |
46.00%
|
|
|
|
10046 - Fold-up Patterns | 133 |
20.30%
|
54 |
38.89%
|
|
|
|
10047 - The Monocycle | 11136 |
41.78%
|
2561 |
86.18%
|
|
|
|
10048 - Audiophobia | 27182 |
45.13%
|
7552 |
87.61%
|
|
|
|
10049 - Self-describing Sequence | 8163 |
51.93%
|
3448 |
87.91%
|
|
|
|
10050 - Hartals | 40007 |
60.21%
|
18381 |
94.48%
|
|
|
|
10051 - Tower of Cubes | 9705 |
37.65%
|
2725 |
83.96%
|
|
|
|
10052 - Inviting Politicians | 2546 |
7.82%
|
352 |
22.73%
|
|
|
|
10053 - Envelopes | 1284 |
18.30%
|
345 |
46.38%
|
|
|
|
10054 - The Necklace | 38030 |
26.03%
|
5427 |
70.85%
|
|
|
|
10055 - Hashmat the Brave Warrior | 358789 |
29.05%
|
71414 |
86.74%
|
|
|
|
10056 - What is the Probability ? | 16460 |
42.55%
|
4753 |
89.84%
|
|
|
|
10057 - A mid-summer night's dream. | 16861 |
37.45%
|
4264 |
83.63%
|
|
|
|
10058 - Jimmi's Riddles | 2498 |
36.67%
|
872 |
83.03%
|
|
|
|
10059 - The Hazard of CSE Department! | 493 |
2.03%
|
120 |
5.83%
|
|
|
|
10060 - A hole to catch a man | 3680 |
33.78%
|
1027 |
84.62%
|
|
|
|
10061 - How many zero's and how many digits ? | 10237 |
30.97%
|
2326 |
78.12%
|
|
|
|
10062 - Tell me the frequencies! | 63538 |
21.76%
|
12864 |
69.29%
|
|
|
|
10063 - Knuth's Permutation | 6508 |
42.29%
|
2352 |
72.49%
|
|
|
|
10064 - Traveling in another Dimension | 505 |
15.45%
|
154 |
39.61%
|
|
|
|
10065 - Useless Tile Packers | 8517 |
35.74%
|
2143 |
84.51%
|
|
|
|
10066 - The Twin Towers | 24554 |
47.26%
|
8465 |
90.31%
|
|
|
|
10067 - Playing with Wheels | 20344 |
42.53%
|
5723 |
89.11%
|
|
|
|
10068 - The Treasure Hunt | 1598 |
15.02%
|
366 |
42.08%
|
|
|
|
10069 - Distinct Subsequences | 19278 |
30.92%
|
4542 |
76.49%
|
|
|
|
10070 - Leap Year or Not Leap Year and ... | 61379 |
15.25%
|
11874 |
54.94%
|
|
|
|
10071 - Back to High School Physics | 182652 |
47.39%
|
59940 |
93.43%
|
|
|
|
10072 - Bob Laptop Woolmer and Eddie Desktop Barlow | 1638 |
30.46%
|
527 |
59.01%
|
|
|
|
10073 - Constrained Exchange Sort | 1037 |
32.21%
|
189 |
55.56%
|
|
|
|
10074 - Take the Land | 14865 |
51.44%
|
4973 |
91.84%
|
|
|
|
10075 - Airlines | 3725 |
39.97%
|
1215 |
81.48%
|
|
|
|
10076 - The Bumpy Robot | 1135 |
27.22%
|
267 |
66.29%
|
|
|
|
10077 - The Stern-Brocot Number System | 15848 |
56.39%
|
6430 |
93.37%
|
|
|
|
10078 - The Art Gallery | 8840 |
46.64%
|
2712 |
90.15%
|
|
|
|
10079 - Pizza Cutting | 53478 |
44.49%
|
18496 |
94.18%
|
|
|
|
10080 - Gopher II | 16729 |
38.93%
|
3288 |
85.98%
|
|
|
|
10081 - Tight Words | 5329 |
52.75%
|
2217 |
90.53%
|
|
|
|
10082 - WERTYU | 108672 |
40.55%
|
30163 |
90.63%
|
|
|
|
10083 - Division | 20706 |
37.39%
|
1929 |
63.71%
|
|
|
|
10084 - Hotter Colder | 2211 |
36.18%
|
571 |
75.31%
|
|
|
|
10085 - The most distant state | 2384 |
46.69%
|
743 |
86.14%
|
|
|
|
10086 - Test the Rods | 2413 |
44.18%
|
766 |
87.21%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 598 |
29.26%
|
190 |
69.47%
|
|
|
|
10088 - Trees on My Island | 6594 |
37.66%
|
1629 |
87.66%
|
|
|
|
10089 - Repackaging | 4531 |
33.75%
|
1218 |
76.60%
|
|
|
|
10090 - Marbles | 20037 |
26.18%
|
4216 |
72.18%
|
|
|
|
10091 - The Valentine's Day | 1337 |
22.44%
|
338 |
67.16%
|
|
|
|
10092 - The Problem with the Problem Setter | 9443 |
40.19%
|
2213 |
84.27%
|
|
|
|
10093 - An Easy Problem! | 22773 |
25.42%
|
4881 |
70.99%
|
|
|
|
10094 - Place the Guards | 2476 |
29.56%
|
768 |
65.10%
|
|
|
|
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 | 1473 |
51.60%
|
647 |
83.93%
|
|
|
|
10098 - Generating Fast | 26489 |
44.84%
|
8438 |
86.09%
|
|
|
|
10099 - The Tourist Guide | 35928 |
32.22%
|
7974 |
84.49%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |