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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int space, rows;
  7.  
  8.     cout <<"Enter number of rows: \n";
  9.     cin >> rows;
  10. 	cout << endl;
  11.     for(int i = 1, k = 0; i <= rows; ++i, k = 0)
  12.     {
  13.         for(space = 1; space <= rows-i; ++space)
  14.         {
  15.             cout <<"  ";
  16.         }
  17.  
  18.         while(k != 2*i-1)
  19.         {
  20.             cout << "* ";
  21.             ++k;
  22.         }
  23.         cout << endl;
  24.     }    
  25.     return 0;
  26. }
Success #stdin #stdout 0s 15232KB
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stdin
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stdout
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Enter number of rows: 

        * 
      * * * 
    * * * * * 
  * * * * * * * 
* * * * * * * * *
https://ideone.com/OPMeO1
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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