C++ program to print Floyd's triangle

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#include <iostream>

 using namespace std;

main()

{

  int n, i,  j, a = 1;

 

  cout<<"Enter the number of rows of Floyd's triangle to print\n";

  cin>>n;

   for (i = 1; i <= n; i++)

  {

    for (j = 1; j <= i; j++)

      cout<<a<<" ";

           a++;

    }

    cout<<endl;

  }

 

}

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OutPut :

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