二维数组图形练习

1.用二维数组存储以下图形,输入一个整数n,如果n是3的倍数,则输出下面左边的图形,否则输出右边的图形。

  *****                                   *
   ***                                   *** 
    *                                   ***** 
#include<iostream>
using namespace std;
int main()
{
 char s[10][10]={"*****"," ***","  *"};
 int n;
 cin>>n;
 if(n%3==0)
 {
  cout<<s[0]<<endl;
  cout<<s[1]<<endl;
  cout<<s[2]<<endl; 
 }
 else
 {
  cout<<s[2]<<endl; 
  cout<<s[1]<<endl;
  cout<<s[0]<<endl;
 }
}

2.对于给定的自然数n(n<10),用二维数组存储以下图形,然后输出。

*
**
***
****
#include<iostream>
using namespace std;
int main()
{
 char s[10][10]={"*","**","***","****","*****","******","*******","********","*********"};
 int n;
 cin>>n;
 if(1<=n&&n<=9)
 {
  for(int i=0;i<n;i++)
  {
   cout<<s[i]<<endl;
  }
 }
 else
 {
  cout<<"illegal input"<<endl;
 }
}
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转载自blog.csdn.net/huangziguang/article/details/104965710
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