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| 1 | tourist | 4009 |
| 2 | jiangly | 3821 |
| 3 | Benq | 3736 |
| 4 | Radewoosh | 3631 |
| 5 | jqdai0815 | 3620 |
| 6 | orzdevinwang | 3529 |
| 7 | ecnerwala | 3446 |
| 8 | Um_nik | 3396 |
| 9 | ksun48 | 3388 |
| 10 | gamegame | 3386 |
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| 1 | cry | 164 |
| 1 | maomao90 | 164 |
| 3 | Um_nik | 163 |
| 4 | atcoder_official | 161 |
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| 6 | awoo | 157 |
| 7 | adamant | 156 |
| 8 | TheScrasse | 154 |
| 8 | nor | 154 |
| 10 | Dominater069 | 153 |
What were your favorite Data Structure problems in 2020?
There has been less and less data structure problems in 2020. I think that it is inevitable because interesting data structure problems are hard to create. Still, I feel very sad about this. Let's share interesting data structure problems that you enjoyed in 2020!
For me, I especially love GP of Tokyo A, GP of Tokyo L and GP of Moscow D
