| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
15
|
1 | · | · | Oct. 21, 2017 |
 |
Problem 612. Friend numbers |
|
|
90
|
1 | · | · | Sept. 23, 2017 |
|
Problem 610. Roman Numerals II |
Codeforces
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