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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
10000 - Longest Paths | 36565 |
25.63%
|
8370 |
65.41%
|
|
|
|
10001 - Garden of Eden | 7244 |
41.07%
|
2566 |
72.88%
|
|
|
|
10002 - Center of Masses | 11729 |
29.35%
|
2416 |
68.50%
|
|
|
|
10003 - Cutting Sticks | 60422 |
48.74%
|
15567 |
90.04%
|
|
|
|
10004 - Bicoloring | 88236 |
50.45%
|
23242 |
90.96%
|
|
|
|
10005 - Packing polygons | 12708 |
20.11%
|
2826 |
54.25%
|
|
|
|
10006 - Carmichael Numbers | 45611 |
38.05%
|
10987 |
85.40%
|
|
|
|
10007 - Count the Trees | 9233 |
45.03%
|
3615 |
77.93%
|
|
|
|
10008 - What's Cryptanalysis? | 45584 |
57.53%
|
18237 |
94.08%
|
|
|
|
10009 - All Roads Lead Where? | 15980 |
34.81%
|
4465 |
82.51%
|
|
|
|
10010 - Where's Waldorf? | 47341 |
32.39%
|
12359 |
83.06%
|
|
|
|
10011 - Where Can You Hide? | 4243 |
10.70%
|
618 |
40.78%
|
|
|
|
10012 - How Big Is It? | 11907 |
30.91%
|
2680 |
70.26%
|
|
|
|
10013 - Super long sums | 54555 |
27.83%
|
10187 |
67.49%
|
|
|
|
10014 - Simple calculations | 12803 |
31.82%
|
4129 |
70.94%
|
|
|
|
10015 - Joseph's Cousin | 10283 |
31.25%
|
3604 |
54.25%
|
|
|
|
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 | 107855 |
43.01%
|
29070 |
89.04%
|
|
|
|
10019 - Funny Encryption Method | 24698 |
70.73%
|
12878 |
96.32%
|
|
|
10020 - Minimal coverage | 29754 |
28.10%
|
5559 |
69.20%
|
|
|
|
10021 - Cube in the labirint | 1791 |
23.73%
|
516 |
64.92%
|
|
|
|
10022 - Delta-wave | 2594 |
30.07%
|
989 |
64.61%
|
|
|
|
10023 - Square root | 50798 |
23.12%
|
6440 |
32.75%
|
|
|
|
10024 - Curling up the cube | 2265 |
25.70%
|
695 |
56.69%
|
|
|
|
10025 - The ? 1 ? 2 ? ... ? n = k problem | 17851 |
28.61%
|
4488 |
77.74%
|
|
|
|
10026 - Shoemaker's Problem | 40185 |
34.63%
|
9842 |
84.11%
|
|
|
|
10027 - Language Cardinality | 2604 |
13.59%
|
516 |
52.13%
|
|
|
|
10028 - Demerit Points | 1586 |
24.46%
|
426 |
59.15%
|
|
|
|
10029 - Edit Step Ladders | 15010 |
23.13%
|
2699 |
64.76%
|
|
|
|
10030 - Computer Dialogue | 1060 |
27.64%
|
401 |
40.90%
|
|
|
|
10031 - Saskatchewan | 1270 |
7.40%
|
274 |
25.55%
|
|
|
|
10032 - Tug of War | 36127 |
14.31%
|
5020 |
46.00%
|
|
|
|
10033 - Interpreter | 38656 |
25.54%
|
7182 |
78.64%
|
|
|
|
10034 - Freckles | 52538 |
33.23%
|
11767 |
82.10%
|
|
|
|
10035 - Primary Arithmetic | 152285 |
30.02%
|
33720 |
87.67%
|
|
|
|
10036 - Divisibility | 27934 |
37.76%
|
5435 |
85.48%
|
|
|
|
10037 - Bridge | 27868 |
25.44%
|
6143 |
71.66%
|
|
|
|
10038 - Jolly Jumpers | 228719 |
28.54%
|
45904 |
84.37%
|
|
|
|
10039 - Railroads | 6493 |
28.74%
|
1416 |
75.42%
|
|
|
|
10040 - Ouroboros Snake | 3488 |
35.92%
|
681 |
60.35%
|
|
|
|
10041 - Vito's Family | 86711 |
44.44%
|
25378 |
88.56%
|
|
|
|
10042 - Smith Numbers | 21897 |
37.04%
|
6005 |
85.78%
|
|
|
|
10043 - Chainsaw Massacre | 5482 |
27.82%
|
785 |
67.01%
|
|
|
|
10044 - Erdos Numbers | 34018 |
20.41%
|
4717 |
71.72%
|
|
|
|
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 | 28606 |
45.14%
|
7725 |
87.65%
|
|
|
|
10049 - Self-describing Sequence | 8518 |
51.70%
|
3543 |
87.72%
|
|
|
|
10050 - Hartals | 43014 |
60.70%
|
19604 |
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 | 39994 |
26.40%
|
5584 |
71.33%
|
|
|
|
10055 - Hashmat the Brave Warrior | 371450 |
29.21%
|
72798 |
86.83%
|
|
|
|
10056 - What is the Probability ? | 19276 |
42.57%
|
5259 |
90.42%
|
|
|
|
10057 - A mid-summer night's dream. | 19572 |
38.51%
|
4755 |
84.75%
|
|
|
|
10058 - Jimmi's Riddles | 2549 |
36.80%
|
893 |
82.87%
|
|
|
|
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! | 67736 |
22.41%
|
13384 |
70.08%
|
|
|
|
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 | 25294 |
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 ... | 62629 |
15.32%
|
11961 |
54.99%
|
|
|
|
10071 - Back to High School Physics | 192859 |
47.17%
|
61484 |
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 | 15257 |
51.50%
|
5054 |
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 | 55392 |
44.37%
|
18662 |
94.18%
|
|
|
|
10080 - Gopher II | 17016 |
38.91%
|
3353 |
86.04%
|
|
|
|
10081 - Tight Words | 5697 |
52.03%
|
2291 |
90.35%
|
|
|
|
10082 - WERTYU | 112544 |
40.87%
|
31298 |
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 | 2441 |
44.45%
|
778 |
87.15%
|
|
|
|
10087 - The Tajmahal of ++Y2k | 608 |
28.95%
|
193 |
68.91%
|
|
|
|
10088 - Trees on My Island | 6772 |
38.14%
|
1658 |
87.82%
|
|
|
|
10089 - Repackaging | 4613 |
33.73%
|
1240 |
76.61%
|
|
|
|
10090 - Marbles | 21084 |
26.57%
|
4325 |
72.39%
|
|
|
|
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! | 27122 |
25.72%
|
5363 |
72.31%
|
|
|
|
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 | 37622 |
32.44%
|
8136 |
84.56%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |