cost's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 141 | 4061 | 236 |  12 |
- | ||
| AtCoder Beginner Contest 142 | 3397 | 483 | 55 |
+43 | ||
| AtCoder Grand Contest 039 | 2035 | 273 | 83 |
+28 | ||
| AtCoder Beginner Contest 143 | 4433 | 112 | 85 |
+2 | ||
| AtCoder Beginner Contest 165 | 10099 | 103 | 86 |
+1 |