Your problem is now live. Make sure to watch it and edit it with any needed changes. Read the Problem Creation Lifecycle.
Problem edits live
| Author |
whendrik
|
||
| Difficulty | 20 kyu (history) | ||
| AVG solve time | 37 sec | ||
| User attempts | 4975 / 10015 | ||
| Genre | tesuji ⓒ | ||
| Similar problems | |||
| Created | 2011-01-06 | ||
| Source | |||
| Stars | 4.48 (21 votes) | ||
| Collections | |||
| Your attempts | N/A | ||