C++ Floyd Triangle Examples

First Page

#include <iostream>

using namespace std;
int main()
{
  int rows,i,j,k=0;
  cout<<"Enter number of rows: ";
  cin>>rows;
  for(i=1;i<=rows;i++)
  {
    for(j=1;j<=i;++j)
      cout<<k+j<<" ";
    ++k;
    cout<<endl;
  }
  return 0;
}

Output

Enter number of rows: 6
1
2 3
3 4 5
4 5 6 7
5 6 7 8 9
6 7 8 9 10 11

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