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Python: Queen move
pole55 (307)

Chess queen moves horizontally, vertically or diagonally in any number of squares. Given two different squares of the chessboard, determine whether a queen can go from the first square to the second one in a single move.

The program receives four numbers from 1 to 8 each specifying the column and the row number, first two - for the first square, and the last two - for the second square. The program should output YES if a queen can go from the first square to the second one in a single move or NO otherwise.

Comments
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MATTHEWBECHTEL (127)

Cool, but what’s this used for?