如何使用C#打印一个二进制三角形？

Binary triangle is formed with 0s and 1s. To create one, you need to work around a nestes for loop and display 0s and 1s till the row entered.

for (int i = 1; i <= n; i++) {

   for (j = 1; j <= i; j++) {
      if (a == 1) {
         Console.Write("0");
         a = 0;
      } else if (a == 0) {
         Console.Write("1");
         a = 1;
      }
   } Console.Write("");
}

上面的代码中，当a的值为1时显示“0”，而当a的值为0时显示“1”。这样，如果在for循环中将行数设置为7，即n的值为7，则会显示以下二进制三角形。

1
01
010
1010
10101
010101
0101010

Example

示例

using System;
namespace Program {
   public class Demo {
      public static void Main(String[] args) {

         int j;
         int a = 0, n = 7;
         // looping from 1 to 7
         for (int i = 1; i <= n; i++) {
            for (j = 1; j <= i; j++) {
               if (a == 1) {
                  Console.Write("0");
                  a = 0;
               } else if (a == 0) {
                  Console.Write("1");
                  a = 1;
               }
            } Console.Write("");
         }
         Console.ReadLine();
      }
   }
}

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