Program to display Rhombus star patterns in C++ using while

Program to display Rhombus star patterns in C++ language

In this article, we will discuss the concept of Program to display Rhombus star patterns  using while loop in  C++ language.

In this post, we are going to learn how to use a while loop for write a program to print  rhombus and hollow rhombus pattern .

 

Print Rhombus  star patterns Using while loop

Code to print Rhombus pattern using while loop

Program 1

This program allows the user  to enter the number of rows and symbols then it will display  the rhombus  pattern using while loop in C++ programming language

#include <iostream>
#include <conio.h>

using namespace std;

int main() {
    int i,j,rows;
    char ch;
    cout<<"Enter the number of rows\n";
cin>>rows;
cout<<"Enter the Symbol for pattern\n";
 cin>>ch;
 cout<<"\n";
 i=1;
 while(i<=rows){//outer for loop
        j=1;
   while(j<=rows-i){//inner for loop
   cout<<" ";//print space
  j++;
   }
   j=1;
   while(j<=rows){//inner for loop
   cout<<ch;//print character after space
   j++;
}
 cout<<"\n";//move to next line
 i++;
}
getch();
    return 0;
}

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

 

Code to print Hollow Rhombus pattern using while loop

Program 2

This program allows the user  to enter the number of rows and symbols then it will display  the Hollow rhombus  pattern using while loop in C++ programming language

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

int main()
{
    int i,j,rows;
    char ch;
    cout<<"Enter the number of rows\n";
    cin>>rows;
     cout<<"Enter the Symbol for pattern\n";
    cin>>ch;
    cout<<"\n";
    i=1;
    while(i<=rows){//outer for loop
            j=1;
   while(j<=rows-i){//inner for loop
   cout<<" ";//print space
   j++;
   }
   j=1;
   while(j<=rows){//inner for loop
   if(i==1 || i==rows || j==1 || j==rows){
   cout<<ch;//print symbol after space
   }
   else{
         cout<<" ";//print space
   }
    j++;
}
 cout<<"\n";//move to next line
 i++;
}
getch();
    return 0;
}

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

 

 

 

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