• On November 24, 2024
• By Karmehavannan
• 0 Comment
• Categories: Floyd's triangle, star pattern
• Tags: C++ patterns, Cpp language, Pattern

Triangle Hollow Pattern using nested while loop in Cpp

Triangle Hollow Pattern using nested while loop in Cpp

In this tutorial, we will discuss Triangle Hollow Pattern using nested while loop in Cpp

In this program, we are going to learn about how to display Hollow Tringle star pattern using nested while loop in C++ programming language

Here, we display an Hollow triangle Pattern program with coding using nested while loop and also program get input from the user using Cin function in C++ programming language

The user can provide numbers as they wish and get the Hollow Triangle pattern according to their input.

Floyd’s triangle star pattern 1

Program 1

#include 
#include 
using namespace std;

int main()
{
    int rows;
    cout<<"Enter the number of rows" << endl;
    cin>>rows;
    int i,j;
    i=1;
    while(i<=rows){
        j=1;
        while(j<=i){
        

    if(j==1 || j==i ||i==rows )
        cout<<"*";
    else
        cout<<" ";
    j++;;
}
i++;
cout <<"\n";//Move to the next line for print
    }
    getch();
    return 0;
}

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

Floyd’s triangle star pattern 2

Program 2

#include 
#include 
using namespace std;

int main()
{
    int rows;
    cout<<"Enter the number of rows" << endl;
    cin>>rows;
    int i,j;
    i=1;
    while(i<=rows){
        j=i;
        while(j
When the above code is executed, it produces the following results

 

Floyd’s triangle star pattern 3



Program 3
#include 
#include 
using namespace std;

int main()
{
    int rows;
    cout<<"Enter the number of rows" << endl;
    cin>>rows;
    int i,j;
    i=1;
    while(i<=rows){
        j=1;
        while(j<=rows){

    if(j==i || j==rows ||i==1 )
        cout<<"*";
    else
        cout<<" ";
    j++;;
        }
        i++;
cout<<"\n";//Move to the next line for print
}


    getch();
    return 0;
}
When the above code is executed, it produces the following results
Floyd’s triangle star pattern 4
Program 4
#include 
#include 
using namespace std;

int main()
{
    int rows;
    cout<<"Enter the number of rows" << endl;
    cin>>rows;
    int i,j;
    i=1;
    while(i<=rows){
        j=i;
        while(j<=rows){

    if( i==1|| j==i || j==rows)
        cout<<"*";
    else
        cout<<" ";
    j++;;
        }
        i++;
cout<<"\n";//Move to the next line for print
}
getch();
return 0;
}
When the above code is executed, it produces the following results
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