English school holidays issued with a penalty notice whenever they take their children on holiday during term time without getting authorisation from the school. Penalty notices can be issued by local councils, headteachers (including deputy and assistant heads authorised by them) and the police. Generally, schools will agree to no more than 10 school days of absence in any school year. The Swallows and Amazons series of children’s novels by Arthur Ransome are all set in the school holidays, generally the long (August) summer holidays although some are set in Easter or winter. For example, in "Pigeon Post", he wrote: "Term time was
Game of the Amazons Amazons played on a n x n grid, started from an arbitrary configuration) is PSPACE-complete. This can be proved in two ways. The first is by reducing a generalized Hex position, which is known to be PSPACE-complete, into an Amazons position. The second is by reducing a certain kind of generalized geography called GEOGRAPHY-BP3, which is PSPACE-complete, to an Amazons position. This Amazons position uses only one black queen and one white queen, thus showing that generalized Amazons is PSPACE-complete even if only one queen on each side is allowed. Game of the Amazons The Game of the Amazons (in