View all problems
Name ![]() |
Difficulty ![]() |
Users Solved ![]() |
Tags ![]() |
---|---|---|---|
2020 digit | 200 | 526 | Algebra, Digits |
Sum of four | 100 | 444 | Combinatorics, Digits |
Divisibility by 4 | 200 | 236 | Number-Theory, Digits |
Tommorow's day | 100 | 671 | Algebra, Digits |
Also palindrome | 400 | 46 | Digits |
Digital Cubes | 100 | 97 | Algebra, Digits |
U turn | 200 | 150 | Algebra, Number-Theory, Digits |
Sum of Digits | 200 | 73 | Number-Theory, Digits |
Cool-divisble numbers | 300 | 69 | Number-Theory, Digits |
Sum of digits 2020 | 200 | 153 | Number-Theory, Digits |
Lucky numbers | 100 | 156 | Digits, Algebra |
Flip | 200 | 65 | Algebra, Number-Theory, Digits |