| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
94
|
1 | · | · | Jan. 15, 2017 |
 |
Problem 586. Binary Quadratic Form |
|
|
61
|
1 | · | · | Feb. 28, 2016 |
|
Problem 549. Divisibility of factorials |
|
|
55
|
1 | · | · | Feb. 21, 2016 |
|
Problem 548. Gozinta Chains |
|
|
67
|
1 | · | · | Jan. 17, 2016 |
|
Problem 543. Prime-Sum Numbers |
|
|
47
|
1 | · | · | Dec. 27, 2015 |
|
Problem 540. Counting primitive Pythagorean triples |
|
|
82
|
1 | · | · | April 19, 2014 |
|
Problem 468. Smooth divisors of binomial coefficients |
|
|
76
|
1 | · | · | June 15, 2013 |
|
Problem 432. Totient sum |
|
|
85
|
1 | · | · | March 31, 2013 |
|
Problem 421. Prime factors of n15+1 |
|
|
68
|
1 | · | · | March 24, 2013 |
|
Problem 420. 2x2 positive integer matrix |
|
|
69
|
1 | · | · | March 17, 2013 |
|
Problem 419. Look and say sequence |
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Codeforces