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The first 8 hours of this contest will have a separate ranking.
Rujia Liu's Present 6: Happy 30th Birthday to Myself
Problems
| Title | Time Limit (sec) | ||
| A | A Special "Happy Birthday" Song!!! | 1.000 | |
| B | Baby Me | 1.000 | |
| C | "Center" of perimeter midpoints | 1.000 | |
| D | Detecting Code Snippets | 1.000 | |
| E | Egyptian Fractions (HARD version) | 15.000 | |
| F | Finding Black Circles | 10.000 | |
| G | Good Friends | 2.000 | |
| H | Hadamard Gate | 1.000 | |
| I | In an effort to Change History | 10.000 | |
| J | Jin Ge Jin Qu hao | 1.000 | |
| K | King of Fighters explained | 1.000 | |
| L | Lovely Magical Curves | 10.000 | |
| M | Melody "Creation" | 5.000 | |
| N | Never7, Ever17 and Water | 15.000 | |
| O | Optimizing Key Signatur | 1.000 | |
| P | Planning mobile robot on Tree (EASY Version) | 10.000 | |
| Q | Qualle? Quale? | 10.000 |
Problem descriptions
Submissions
Restricted Standings
Standings
Statistics
Clarifications