35 lines
662 B
C#
35 lines
662 B
C#
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#define Unity2017
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#define Unity2020
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namespace Lesson19_预处理器指令练习
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{
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine("请输入第一个数字：");
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int a = int.Parse(Console.ReadLine());
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Console.WriteLine("请输入第二个数字：");
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int b = int.Parse(Console.ReadLine());
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Console.WriteLine(Calc(a, b));
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}
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static int Calc(int a, int b)
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{
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#if Unity5
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return a + b;
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#elif Unity2017
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return a*b;
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#elif Unity2019
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return a-b;
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#else
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return 0;
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#endif
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}
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}
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}
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