C++ Mirrored and hollow mirrored parallelogram star pattern using Do-while

C++ Mirrored and hollow mirrored parallelogram star pattern using Do-while

In this article, we will discuss the concept of C ++ Mirrored and hollow mirrored parallelogram star pattern using Do-while

In this post, we are going to learn how to write a program to print  mirrored parallelogram, and  mirrored Hollow parallelogram patterns using do-while loop in C++ programming language.

 

Display parallelogram  star patterns Using Do- while loop

Code to print mirrored parallelogram star pattern

Program 1

This program allows the user  to enter the number of rows ,columns and any symbols then it will display  the mirrored parallelogram    star pattern using do-While loop in C++ programming language

#include <iostream>
#include <conio.h>
using namespace std;
int main() {
    int i,j,rows,columns;
    //integer variable declaration
    char ch;
    //char variable declaration
    cout<<"Enter the number of rows\n";
    cin>>rows; //Reading the user input for number of rows
    cout<<"Enter the number of columns\n";
    cin>>columns;  //Reading the user input for number of columns
    cout<<"Enter the character for pattern\n";
   cin>>ch; //Reading the user input as symbol for pattern
    cout<<"\n";
i=1;
   do{//outer while loop
            j=1;
   do{//inner while loop
   cout<<" ";//print space
    j++;
   }while( j<=i);
   j=1;
   do{//inner while loop
   cout<<ch;//print symbol after space
    j++;
}while(j<=columns);
 cout<<"\n";//move to next line
 i++;
} while( i<=rows);
getch();
    return 0;
}

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

 

Code to print mirrored Hollow parallelogram star pattern

Program 2

This program allows the user  to enter the number of rows ,columns and any symbols then it will display  the mirrored Hollow parallelogram    star pattern using do-While loop in C++ programming language

#include <iostream>
#include <conio.h>
using namespace std;
int main() {
    int i,j,rows,columns;
    //integer variable declaration
    char ch;
    //char variable declaration
    cout<<"Enter the number of rows\n";
    cin>>rows; //Reading the user input for number of rows
    cout<<"Enter the number of columns\n";
    cin>>columns;  //Reading the user input for number of columns
    cout<<"Enter the character for pattern\n";
   cin>>ch; //Reading the user input as symbol for pattern
    cout<<"\n";
i=1;
   do{//outer while loop
            j=1;
   do{//inner while loop
   cout<<" ";//print space
    j++;
   }while( j<=i);
   j=1;
   do{//inner while loop
   if(i==1 || i==rows || j==1 || j==columns){
   cout<<ch;//print symbol after space
   }
   else{
         cout<<" ";//print space
   }
    j++;
}while(j<=columns);
 cout<<"\n";//move to next line
 i++;
} while( i<=rows);
getch();
    return 0;
}

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

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