AOJ/AtCoder-JOI is a website that shows the solving status of past questions of the Japanese Olympiad in Informatics.
| Level | Background | Text |
|---|---|---|
| 1 | #EBF1DE | #000000 |
| 2 | #DCE6F2 | #000000 |
| 3 | #DBEEF4 | #000000 |
| 4 | #D2DBE5 | #000000 |
| 5 | #A5B6CB | #000000 |
| 6 | #CCC1DA | #000000 |
| 7 | #B3A2C7 | #000000 |
| 8 | #FCD5B5 | #000000 |
| 9 | #FFFF00 | #000000 |
| 10 | #FF6600 | #000000 |
| 11 | #FF0000 | #000000 |
| 12 | #000000 | #FF0000 |