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this is a simple problem that illustrates the concept of seki for beginners.
| Author |
Blitz-sama
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| Difficulty | 15 kyu (history) | ||
| AVG solve time | 31 sec | ||
| User attempts | 4638 / 12336 | ||
| Genre | life and death ⓒ | ||
| Similar problems | |||
| Created | 2003-01-16 | ||
| Source | |||
| Stars | 3.43 (21 votes) | ||
| Collections | |||
| Your attempts | N/A | ||