47 lines
1.3 KiB
C#
47 lines
1.3 KiB
C#
namespace C_Sharp_3_3
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{
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public class Program
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{
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static void Main(string[] args)
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{
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int c, r;
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Console.Write("请输入总只数");
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int h = int.Parse(Console.ReadLine());
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int f = 1;
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while (f % 2 != 0)
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{
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Console.Write("请输入总脚数（必须是偶数）");
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f = int.Parse(Console.ReadLine());
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}
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// 循环
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bool solution = false;
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for (c = 0; c <= h; c++)
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{
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r = h - c;
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if (2 * c + 4 * r == f)
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{
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Console.WriteLine("方法一：鸡有{0}只，兔有{1}只", c, r);
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solution = true;
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}
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}
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if (!solution)
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{
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Console.WriteLine("方法一无解");
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}
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// 解方程
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r = f / 2 - h;
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c = h - r;
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solution = false;
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if (c >= 0 && r >= 0)
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{
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Console.WriteLine("方法二：鸡有{0}只，兔有{1}只", c, r);
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solution = true;
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}
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if (!solution)
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{
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Console.WriteLine("方法二无解");
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}
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}
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}
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}
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