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Some of the better-known exact cover problems include tiling, the n queens problem, and Sudoku. The name dancing links , which was suggested by Donald Knuth , stems from the way the algorithm works, as iterations of the algorithm cause the links to "dance" with partner links so as to resemble an "exquisitely choreographed dance."
There are 92 solutions. The problem was first posed in the mid-19th century. In the modern era, it is often used as an example problem for various computer programming techniques. The eight queens puzzle is a special case of the more general n queens problem of placing n non-attacking queens on an n×n chessboard.
On the Queen for an Hour interview conducted in 1989, Mercury said that this was a great example of two separate bits coming together to make a final track. He commented on how the band had about 30 tracks to work with and only completed a handful, working on all of them at least somewhat.
The classic textbook example of the use of backtracking is the eight queens puzzle, that asks for all arrangements of eight chess queens on a standard chessboard so that no queen attacks any other. In the common backtracking approach, the partial candidates are arrangements of k queens in the first k rows of the board, all in different rows and ...
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Several of the guest singers recorded new versions of Queen's hits under the Queen + name, such as Robbie Williams providing vocals for "We Are the Champions" for the soundtrack of A Knight's Tale (2001). [251] Queen's star on the Hollywood Walk of Fame at 6358 Hollywood Boulevard. In November 1999, Greatest Hits III was released.
"Tie Your Mother Down" is a song by the British rock band Queen, written by lead guitarist Brian May. It is the opening track and the second single from their 1976 album A Day at the Races.
"Thank God It's Christmas" is a Christmas single by the British rock band Queen. It was written by lead guitarist Brian May and drummer Roger Taylor.Released on 26 November 1984, the single spent six weeks in the UK charts over Christmas 1984 and new year of 1985, and peaked at number 21.