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
Find the key point. Should be easy.
| Author |
SinianSung
|
||
| Difficulty | 23 kyu (history) | ||
| AVG solve time | 20 sec | ||
| User attempts | 15403 / 19572 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2007-11-10 | ||
| Source | |||
| Stars | 3.67 (30 votes) | ||
| Collections | |||
| Your attempts | N/A | ||