In a town
5 persons live in the same town. Their first names are: Leonid, Vladimir, Nicholas, Oleg and Peter, last names are: Stepanov, Borisov, Kozin, Drozdov and Istomin. Borisov knows only 2 other persons, shile Kozin knows only one. Peter knows all of them, except one. Nicholas and Istomin met in their childhood. Vladimir, Nicholas and Oleg know each other. Drozdov and Vladimir never met. Oleg, Nicholas and Borisov frequently go to cinema together. Find out first and last name for every person.
List of Winners
| Name | Date | # of attempts | Time spent |
|---|---|---|---|
| праерн | 12/09/2009 11:58:53 | 1 | 00:14:53 |
| BeeАлексу | 12/09/2009 11:45:07 | 1 | 00:06:08 |
| ксю | 11/25/2009 02:35:56 | 1 | 20:23:50 |
| Whimsy | 05/25/2008 13:55:54 | 1 | 00:08:51 |
| PollyMorph | 05/03/2008 16:10:05 | 1 | 00:20:14 |
| 11 | 03/14/2008 20:03:06 | 1 | 00:09:24 |
| VladStar | 03/14/2008 00:42:27 | 1 | 00:02:15 |
Statistics
| Visitors | Attempts to solve it | Winners | % solved | % cheated | Total time spent * | Average time * |
|---|---|---|---|---|---|---|
| 336 | 12 | 7 | 58 | 0 | 01:01:45 | 00:10:18 |
Exercise #54 from "Math. Additional topics." book for 5th grade (2001). Author - Smekalova.E.V.
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1999-2010 (C) Vladislav Staroselskiy
