Eight Queens
ID: com.selfapps.a8queengame
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Versão:
Varies with device
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Atualização em:
2022-09-15
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A descrição de Eight Queens
The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. The eight queens puzzle is an example of the more general n queens problem of placing n non-attacking queens on an n×n chessboard, for which solutions exist for all natural numbers n with the exception.
History
Chess composer Max Bezzel published the eight queens puzzle in 1848. Franz Nauck published the first solutions in 1850. Nauck also extended the puzzle to the n queens problem, with n queens on a chessboard of n × n squares.
Since then, many mathematicians, including Carl Friedrich Gauss, have worked on both the eight queens puzzle and its generalized n-queens version. In 1874, S. Gunther proposed a method using determinants to find solutions. J.W.L. Glaisher refined Gunther's approach.
In 1972, Edsger Dijkstra used this problem to illustrate the power of what he called structured programming. He published a highly detailed description of a depth-first backtracking algorithm.
History
Chess composer Max Bezzel published the eight queens puzzle in 1848. Franz Nauck published the first solutions in 1850. Nauck also extended the puzzle to the n queens problem, with n queens on a chessboard of n × n squares.
Since then, many mathematicians, including Carl Friedrich Gauss, have worked on both the eight queens puzzle and its generalized n-queens version. In 1874, S. Gunther proposed a method using determinants to find solutions. J.W.L. Glaisher refined Gunther's approach.
In 1972, Edsger Dijkstra used this problem to illustrate the power of what he called structured programming. He published a highly detailed description of a depth-first backtracking algorithm.
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Eight Queens Varies with device APK para Android Varies with device+
Versão | Varies with device para Android Varies with device+ |
Atualização em | 2022-09-15 |
Instalações | 100++ |
Tamanho do arquivo | 2.619.924 bytes |
Permissões | ver permissões |
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Bug fixes Added difficulty levels Design changes |
Histórico de versões:
- 1. LATEST. Eight Queens Varies with device APK (2022-09-15, 2 MB)
- 2. Eight Queens 0.9 APK (2022-09-15, 2 MB)
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