Browse Problems 
Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
--- YOUR NAME HERE ----
Silver Sponsors
--- YOUR NAME HERE ----
Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Contribute
Bitcoin:
1ojudgeapLUjJcnUm
ze67a4w3TJ6WnPxo
Browse Problems
Root :: Competitive Programming 2: This increases the lower bound of Programming Contests. Again (Steven & Felix Halim) :: Mathematics :: Ad Hoc Mathematics Problems :: Number Systems or Sequences
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
136 - Ugly Numbers | 129674 |
33.01%
|
31107 |
79.59%
|
|
|
|
138 - Street Numbers | 22192 |
45.51%
|
9015 |
84.76%
|
|
|
|
413 - Up and Down Sequences | 4195 |
46.89%
|
2065 |
80.53%
|
|
|
|
443 - Humble Numbers | 19099 |
43.83%
|
6743 |
89.29%
|
|
|
|
640 - Self Numbers | 16540 |
50.15%
|
6088 |
89.85%
|
|
|
|
694 - The Collatz Sequence | 41302 |
40.93%
|
13267 |
89.06%
|
|
|
|
962 - Taxicab Numbers | 2519 |
39.78%
|
670 |
86.72%
|
|
|
|
974 - Kaprekar Numbers | 4495 |
40.96%
|
1472 |
89.54%
|
|
|
|
1256 - Rating Hazard | 111 |
28.83%
|
55 |
47.27%
|
|
|
|
10006 - Carmichael Numbers | 45655 |
38.06%
|
10994 |
85.40%
|
|
|
|
10042 - Smith Numbers | 21952 |
37.08%
|
6018 |
85.81%
|
|
|
|
10101 - Bangla Numbers | 43680 |
21.66%
|
7872 |
67.49%
|
|
|
|
10408 - Farey sequences | 4394 |
62.29%
|
2136 |
92.42%
|
|
|
|
10930 - A-Sequence | 8512 |
23.99%
|
1903 |
74.57%
|
|
|
|
11063 - B2-Sequence | 32730 |
23.70%
|
4773 |
84.64%
|
|
|
|
11461 - Square Numbers | 50398 |
49.21%
|
15505 |
95.27%
|
|
|
|
11660 - Look-and-Say sequences | 1903 |
36.68%
|
480 |
80.21%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 17 of 17 | |