| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
42
|
1 | · | · | Nov. 5, 2017 |
 |
Problem 613. Pythagorean Ant |
|
|
72
|
1 | · | · | Dec. 11, 2016 |
|
Problem 581. 47-smooth triangular numbers |
|
|
84
|
1 | · | · | May 26, 2013 |
|
Problem 429. Sum of squares of unitary divisors |
|
|
39
|
1 | · | · | May 19, 2013 |
|
Problem 428. Necklace of circles |
|
|
25
|
1 | · | · | May 12, 2013 |
|
Problem 427. n-sequences |
|
|
77
|
1 | · | · | May 5, 2013 |
|
Problem 426. Box-ball system |
|
|
83
|
1 | · | · | April 27, 2013 |
|
Problem 425. Prime connection |
|
|
52
|
1 | · | · | April 14, 2013 |
|
Problem 423. Consecutive die throws |
|
|
60
|
1 | · | · | April 7, 2013 |
|
Problem 422. Sequence of points on a hyperbola |
|
|
6
|
1 | · | · | March 31, 2013 |
|
Problem 421. Prime factors of n15+1 |
| more |
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