26 lines
557 B
Lua
26 lines
557 B
Lua
N = 8 -- size of the board
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-- check whether position (n, c) is free from attacks
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function is_place_ok (a, n, c)
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for i = 1, n - 1 do -- leaving the inc/dec value empty defaults to +1
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if (a[i] == c) or
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(a[i] - i == c - n) or
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(a[i] + i == c + n) then
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return false
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end
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end
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return true
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end
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function print_solution (a)
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for i = 1, N, 1 do
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for j = 1, N, 1 do
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io.write(a[i] == j and "X" or "-", " ")
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end
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io.write("\n")
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end
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io.write("\n")
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end
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