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Mamun_20's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 163 | 10194 | - | - | - | ||
| AtCoder Beginner Contest 171 | 9192 | 95 |  5 |
- | ||
| AtCoder Beginner Contest 172 | 8568 | 118 | 17 |
+12 | ||
| AtCoder Beginner Contest 178 | 8973 | 51 | 21 |
+4 |