zoukankan      html  css  js  c++  java
  • 打印 三角形 菱形

     1 //控制台输出三角形和菱形
     2         Scanner sc=new Scanner(System.in);
     3         System.out.println("请输入三角形的行数");
     4          int n=sc.nextInt();
     5          //左上
     6       for (int i = 1; i <=n; i++)
     7       {
     8           for (int j = 1; j <=i; j++)
     9           {
    10               System.out.print("*");
    11           }
    12           System.out.println("");
    13       }
    14       //右上
    15       for (int i = 1; i <= n; i++)
    16       {
    17           for (int k = 1; k <=n-i; k++)
    18           {
    19               System.out.print(" ");
    20           }
    21           for (int j = 1; j <= i; j++)
    22           {
    23               System.out.print("*");
    24           }
    25           System.out.println("");
    26       }
    27       //左下
    28       for (int i = 1; i <= n; i++)
    29       {
    30           for (int j = 1; j <=n-i+1; j++)
    31           {
    32               System.out.print("*");
    33           }
    34           System.out.println("");
    35       }
    36       //右下
    37       for (int i = 1; i <= n; i++)
    38       {
    39           for (int k = 1; k <=i-1; k++)
    40           {
    41                System.out.print(" ");
    42           }
    43           for (int j = 1; j <= n - i + 1; j++)
    44           {
    45               System.out.print("*");
    46           }
    47           System.out.println("");
    48       }
    49       //
    50       for (int i = 1; i <= n-1; i++)
    51       {
    52           for (int k = 1; k <=n-i; k++)
    53           {
    54               System.out.print(" ");
    55           }
    56           for (int j = 1; j <= 2*i-1; j++)
    57           {
    58               System.out.print("*");
    59           }
    60           System.out.println("");
    61       }
    62       //老师改:
    63 //      for (int i = 0; i <= 9; i++)
    64 //      {
    65 //          for (int k = 0; k < 9-i; k++)
    66 //          {
    67 //              System.out.print(" ");
    68 //          }
    69 //          for (int j = 0; j < i; j++)
    70 //          {
    71 //              System.out.print("* ");
    72 //          }
    73 //          System.out.println();
    74 //      }
    75       
    76       //
    77       for (int i = 1; i <= n; i++)
    78       {
    79           for (int k = 1; k <= i-1; k++)
    80           {
    81                System.out.print(" ");
    82           }
    83           for (int j = 1; j <= 2*(n-i+1)-1; j++)
    84           {
    85               System.out.print("*");
    86           }
    87           System.out.println("");
    88       }

                             

  • 相关阅读:
    星际之门(一)
    数组及指针效率
    centos directory server
    today reading notes
    lamp apache配置虚拟主机
    CentOS7 yum lamp 虚拟主机配置 lamp各组件简单影响性能的参数调整--for 一定的环境需求
    CentOS7 lamp安装 centoOS6 lamp
    查看实时公网ip
    CentOS6无法本地登陆,ssh远程登陆没问题
    tomcat root dir log 配置
  • 原文地址:https://www.cnblogs.com/yg6405816/p/5475593.html
Copyright © 2011-2022 走看看