//給出一個數組 {"1,2,3","4,5,6","7,8,9"} 列出他的如下形式的組合 147 148 149 157 158 159 167 168 169 247 248.... static void Main(string[] args) { string[] str = new string[3]; str[0] = "12,34"; str[1] = "c,d"; str[2] = "d,f"; Matrix m = new Matrix(str[0].Split(',')); for (int i = 1; i < str.Length; i++) { m = m.Multiply(new Matrix(str[i].Split(','))); } foreach (string s in m.element) { Console.WriteLine(s); } } struct Matrix { public string[] element; public Matrix(string[] s) { element = s; } public Matrix Multiply(Matrix m) { string[] s = new string[this.element.Length * m.element.Length]; int index = 0; for (int i = 0; i < this.element.Length; i++) { for (int j = 0; j < m.element.Length; j++) { s[index] = this.element[i] + "," + m.element[j]; index++; } } return new Matrix(s); } }

轉載于:https://www.cnblogs.com/mad/archive/2008/07/01/1233648.html

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