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This is a very easy problem, but be careful.
| Author |
Hans
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| Difficulty | 23 kyu (history) | ||
| AVG solve time | 21 sec | ||
| User attempts | 18006 / 30241 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2003-07-25 | ||
| Source | Problem 2758 | ||
| Stars | 4.24 (34 votes) | ||
| Collections | |||
| Your attempts | N/A | ||