| Rank | Score | Rating | Δ | Date | Event | ||
|---|---|---|---|---|---|---|---|
|
|
21
|
1 | · | · | Feb. 13, 2011 |
 |
Problem 324. Building a tower |
|
|
29
|
1 | · | · | Jan. 30, 2011 |
|
Problem 322. Binomial coefficients divisible by 10 |
|
|
40
|
1 | · | · | Jan. 8, 2011 |
|
Problem 319. Bounded Sequences |
Codeforces
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