algorithms_and_data_structures/Patterns_With_C++/PatternHollowDiamond.cpp at master · prachijaseja/algorithms_and_data_structures · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
*   *   *   *   *   *   *   *   *
*   *   *   *       *   *   *   *
*   *   *               *   *   *
*   *                       *   *
*                               *
*   *                       *   *
*   *   *               *   *   *
*   *   *   *       *   *   *   *
*   *   *   *   *   *   *   *   *

*/

#include<iostream>

using namespace std;

int main()
{
     int i,j,k=0,n;
     cin>>n;
     for(i=0;i<n;i++)
     {
          if(i==0||i==n-1)
          {
               for(j=0;j<n;j++)
                    cout<<"*\t";
          }
          else if(i<=n/2)
          {
               for(j=0;j<(n/2)-i+1;j++)
               cout<<"*\t";
               for(j=0;j<2*i-1;j++)
               cout<<"\t";
               for(j=0;j<(n/2)-i+1;j++)
               cout<<"*\t";
               if(i==n/2)
                    k=2;
          }
          else
          {
               for(j=0;j<k;j++)
                    cout<<"*\t";
               for(j=0;j<n-(2*k);j++)
                    cout<<"\t";
               for(j=0;j<k;j++)
                    cout<<"*\t";
               k++;
          }
          cout<<"\n";
     }
}