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 3: The New Lower Bound of Programming Contests (Steven & Felix Halim) :: Mathematics :: Ad Hoc Mathematics Problems :: Number Systems or Sequences
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
136 - Ugly Numbers | 128348 |
32.95%
|
30985 |
79.56%
|
|
|
|
138 - Street Numbers | 22148 |
45.45%
|
8997 |
84.76%
|
|
|
|
413 - Up and Down Sequences | 4186 |
46.82%
|
2060 |
80.49%
|
|
|
|
443 - Humble Numbers | 19055 |
43.83%
|
6726 |
89.28%
|
|
|
|
640 - Self Numbers | 16423 |
50.15%
|
6073 |
89.86%
|
|
|
|
694 - The Collatz Sequence | 41083 |
40.92%
|
13242 |
89.04%
|
|
|
|
962 - Taxicab Numbers | 2471 |
39.86%
|
653 |
86.98%
|
|
|
|
974 - Kaprekar Numbers | 4483 |
40.95%
|
1470 |
89.59%
|
|
|
|
10006 - Carmichael Numbers | 45354 |
38.02%
|
10949 |
85.38%
|
|
|
|
10042 - Smith Numbers | 21567 |
36.91%
|
5958 |
85.72%
|
|
|
|
10049 - Self-describing Sequence | 8426 |
51.79%
|
3515 |
87.74%
|
|
|
|
10101 - Bangla Numbers | 41134 |
21.04%
|
7583 |
66.53%
|
|
|
|
10408 - Farey sequences | 4374 |
62.23%
|
2125 |
92.42%
|
|
|
|
10930 - A-Sequence | 8460 |
24.03%
|
1895 |
74.67%
|
|
|
|
11028 - Sum of Product | 760 |
57.63%
|
429 |
87.41%
|
|
|
|
11063 - B2-Sequence | 29368 |
23.36%
|
4524 |
84.28%
|
|
|
|
11461 - Square Numbers | 48614 |
48.96%
|
15274 |
95.23%
|
|
|
|
11660 - Look-and-Say sequences | 1897 |
36.58%
|
475 |
80.21%
|
|
|
|
11970 - Lucky Numbers | 4732 |
47.89%
|
1456 |
86.88%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 19 of 19 | |