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@@ -371,7 +371,19 @@ $$
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=== "Ruby"
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```ruby title="max_product_cutting.rb"
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[class]{}-[func]{max_product_cutting}
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### 最大切分乘积:贪心 ###
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def max_product_cutting(n)
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# 当 n <= 3 时,必须切分出一个 1
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return 1 * (n - 1) if n <= 3
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# 贪心地切分出 3 ,a 为 3 的个数,b 为余数
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a, b = n / 3, n % 3
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# 当余数为 1 时,将一对 1 * 3 转化为 2 * 2
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return (3.pow(a - 1) * 2 * 2).to_i if b == 1
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# 当余数为 2 时,不做处理
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return (3.pow(a) * 2).to_i if b == 2
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# 当余数为 0 时,不做处理
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3.pow(a).to_i
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end
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```
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=== "Zig"
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