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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     /* Enter your code here. Read input from STDIN. Print output to STDOUT */  
  6.     int t;
  7.     cin>>t;
  8.     for(int k=1;k<=t;k++)
  9.     {
  10.         cout<<"Case #"<<k<<":"<<endl;
  11.         int n;
  12.         cin>>n;
  13.         vector<vector<char>> a(n,vector<char>(n,' '));
  14.         int sr=0,sc=0,er=n-1,ec=n-1;
  15.         while(sr<=er && sc<=ec)
  16.         {
  17.             for(int i=sc;i<=ec;i++)
  18.                 a[sr][i]='*';
  19.             sr++;
  20.             for(int i=sr;i<=er;i++)
  21.                 a[i][ec]='*';
  22.             ec--;
  23.             if(sc!=0)
  24.                 sc++;
  25.             if(sr<er)
  26.             {for(int i=ec;i>=sc;i--)
  27.                 a[er][i]='*';
  28.             er--;
  29.             }
  30.             sr++;
  31.             //er--;
  32.             if(sc<ec){
  33.             for(int i=er;i>=sr;i--)
  34.                 a[i][sc]='*';
  35.             sc++;
  36.             }
  37.             ec--;
  38.             er--;
  39.             //=sc++;
  40.         }
  41.         for(int i=0;i<n;i++)
  42.         {
  43.             for(int j=0;j<n;j++)
  44.             {
  45.                 if(a[i][j]=='*')
  46.                     cout<<"* ";
  47.                 else
  48.                  cout<<"  ";
  49.             }
  50.             cout<<endl;
  51.         }
  52.         cout<<endl;
  53.     }
  54.     return 0;
  55. }
Success #stdin #stdout 0.01s 5284KB
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1
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stdout
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Case #1:
* * * * * 
        * 
* * *   * 
*       * 
* * * * *
https://ideone.com/AsWbWy
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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