Cpp program to Floyd’s triangle star pattern

In this tutorial, we will discuss Cpp program to Floyd’s triangle star pattern

We will learn how to create Floyd’s triangle star pattern in C++ language using nested for loop.

Pattern 1

Cpp program to floyd's triangle pattern — Floyd’s triangle pattern 1

Program 1

Floyd’s triangle Star pattern 1

C++ program to display the right triangle star pattern

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,rows;
    cout << "Enter value to number of rows" << endl;
    cin>>rows;//get input from user for rows
    for(i=1; i<=rows; i++){ //for display rows
        for(j=1; j<=i; j++){
        cout<<"*";//print star
    }
    cout<<"\n";//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results:

Enter value to number of rows
9
*
**
***
****
*****
******
*******
********
*********

Pattern 2

Program 2

Floyd’s triangle Star pattern 2

C++ program to display the mirrored right triangle star pattern

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,rows;
    cout << "Enter value to number of rows" << endl;
    cin>>rows;//get input from user for rows
    for(i=1; i<=rows; i++){ //for display rows
        for(j=i; j<=rows; j++){
        cout<<" ";//print star
    }
    for(j=1; j<=i; j++){
        cout<<"*";//print star
    }
    cout<<"\n";//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results:

Enter the value to number of rows
9
                *
              **
            ***
          ****
        *****
      ******
    *******
  ********
*********

Pattern 3

Program 3

Floyd’s triangle Star pattern 3

C++ program to display the reversed right triangle star pattern

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,rows;
    cout << "Enter the value for number of rows" << endl;
    cin>>rows;//get input from user for rows
    for(i=1; i<=rows; i++){ //for display rows
        for(j=i; j<=rows; j++){
        cout<<"*";//print star
    }
    cout<<"\n";//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results

Enter the value for number of rows
9
*********
********
*******
******
*****
****
***
**
*

Pattern 4

Program 4

Floyd’s triangle Star pattern 4

C++ program to display the reversed mirrored right triangle star pattern

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,rows;
    cout << "Enter value for number of rows" << endl;
    cin>>rows;//get input from user for rows
    for(i=1; i<=rows; i++){ //for display rows
        for(j=1; j<=i; j++){
        cout<<" ";//print star
    }
    for(j=i; j<=rows; j++){
        cout<<"*";//print star
    }
    cout<<"\n";//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results

Enter value for number of rows
9
*********
  ********
    *******
      ******
        *****
          ****
            ***
              **
                *

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