22 lines
578 B
Lua
22 lines
578 B
Lua
do -- list the first 30 numbers that are squares but not cubes
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-- also indicate the numbers that are both squares and cubes
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local maxCount <const> = 30
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local count, c, c3, s, sq = 0, 1, 1, 0
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while count < maxCount do
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s = s + 1
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sq = s * s
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while c3 < sq do
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c = c + 1
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c3 = c * c * c
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end
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io.write( string.format( "%5d", sq ) )
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if c3 == sq then
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io.write( " is also the cube of " .. c )
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else
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count = count + 1
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end
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io.write( "\n" )
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end
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end
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