| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
94
|
1 | · | · | March 31, 2024 |
 |
Problem 884. Removing Cubes |
|
|
85
|
1 | · | · | Oct. 2, 2022 |
|
Problem 810. XOR-Primes |
|
|
71
|
1 | · | · | May 30, 2015 |
|
Problem 518. Prime triples and geometric sequences |
|
|
69
|
1 | · | · | March 16, 2014 |
|
Problem 463. A weird recurrence relation |
|
|
64
|
1 | · | · | Feb. 2, 2014 |
|
Problem 457. A polynomial modulo the square of a prime |
|
|
61
|
1 | · | · | Dec. 22, 2013 |
|
Problem 451. Modular inverses |
|
|
81
|
1 | · | · | Nov. 3, 2013 |
|
Problem 443. GCD sequence |
|
|
63
|
1 | · | · | May 26, 2013 |
|
Problem 429. Sum of squares of unitary divisors |
|
|
49
|
1 | · | · | March 17, 2013 |
|
Problem 419. Look and say sequence |
|
|
60
|
1 | · | · | March 3, 2013 |
|
Problem 417. Reciprocal cycles II |
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