|
Возврат к головоломкам
Сколько королев (ферзей) нужно, чтобы атаковать всю шахматную доску?
Ответ: Пять. Например:
1 2 3 4 5 6 7 8
___ ___ ___ ___ ___ ___ ___ ___
h | | | | | | | | |
--- --- --- --- --- --- --- ---
g | | | | Q | | | | |
--- --- --- --- --- --- --- ---
f | | | | Q | | | | |
--- --- --- --- --- --- --- ---
e | | | | Q | | | | |
--- --- --- --- --- --- --- ---
d | | | | Q | | | | |
--- --- --- --- --- --- --- ---
c | | | | | | | | |
--- --- --- --- --- --- --- ---
b | | | | | | | | |
--- --- --- --- --- --- --- ---
a | | | | Q | | | | |
--- --- --- --- --- --- --- --- Created/Updated: 25.05.2018