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emmettna/speared_square_cell_numbers.scala

Created March 11, 2021 02:11
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calculate cell numbers hidden behind a spear line
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speared_square_cell_numbers.scala
// porivided width * height
// calculate the number of empty cells
// ex) [ ][ ][/]
// [ ][/][ ]
//. [/][ ][ ]
//
// gcd : https://gist.github.com/emmettna/702d972126d381dcceb8d8122ba7893c
def calcEmptyCells(width: Int, heght: Int): Int = width + heght - (gcd(width, heght))
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