C++ code: Hollow Mirrored parallelogram star pattern

Hollow Mirrored parallelogram star pattern

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C++ code: Hollow Mirrored parallelogram star pattern

In this article, we will discuss of the C++ code: Hollow Mirrored parallelogram star pattern

We can display many types of number, star, Alphabet, Binary patterns using for.while and do-while loop in C++ language

In this post, we are going to learn how to print Hollow Mirrored Parallelogram star pattern using for, while and do-while loop in C++ language,

Note – Here,To create this pattern , you can use either star or any symbol as you wish

For example, we use star symbol in the first program

Code to display Mirrored Parallelogram star pattern using for loop

This program allows the user to enter the number of rows,columns and any character or symbols then the program displays the Hollow Mirrored Parallelogram star pattern using for loop in C++ language.

Program 1

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

using namespace std;
int main() {
    int i,j,rows,columns;
    char ch;
    cout<<"Enter the number of rows\n";
    cin>>rows; //store the user input- rows
    cout<<"Enter the number of columns\n";
cin>>columns; //store the user input- columns
cout<<"Enter the character for pattern\n";
cin>>ch; //store the user input-character
cout<<"\n";

for(i=1; i<=rows; i++){//outer for loop
   for(j=1; j<=i; j++){//inner for loop
   cout<<" ";//print space
   }
   for(j=1; j<=columns; j++){//inner for loop
   if(i==1 || i==rows || j==1 || j==columns){
   cout<<ch;//print symbol after space
   }
   else{
       cout<<" ";//print space
   }
}
 cout<<"\n";//move to next line
}
getch();
    return 0;
}

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

Hollow Mirrored parallelogram star pattern

Code to display Mirrored Parallelogram pattern using while loop

This program allows the user to enter the number of rows,columns and any character or symbols then the program displays the Hollow Mirrored Parallelogram pattern using while loop in C++ language.

Program 2

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

using namespace std;
int main() {
    int i,j,rows,columns;
    char ch;
    cout<<"Enter the number of rows\n";
    cin>>rows; //store the user input- rows
    cout<<"Enter the number of columns\n";
cin>>columns; //store the user input- columns
cout<<"Enter the character for pattern\n";
cin>>ch; //store the user input-character
cout<<"\n";

i=1;
while(i<=rows){//outer while loop
        j=1;
   while(j<=i){//inner while loop
   cout<<" ";//print space
j++;
   }
   j=1;
   while(j<=columns){//inner while loop
   if(i==1 || i==rows || j==1 || j==columns){
   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

Hollow Mirrored parallelogram star pattern

Code to display Mirrored Parallelogram pattern using do-while loop

This program allows the user to enter the number of rows,columns and any character or symbols then the program displays the Hollow Mirrored Parallelogram pattern using do-while loop in C++ language.

Program 3

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

using namespace std;
int main() {
    int i,j,rows,columns;
    char ch;
    cout<<"Enter the number of rows\n";
    cin>>rows; //store the user input- rows
    cout<<"Enter the number of columns\n";
cin>>columns; //store the user input- columns
cout<<"Enter the character for pattern\n";
cin>>ch; //store the user input-character
cout<<"\n";

i=1;
do{//outer do-while loop
        j=1;
   do{//inner do-while loop
   cout<<" ";//print space
j++;
   }while(j<=i);
   j=1;
   do{//inner do-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

Hollow Mirrored parallelogram star pattern

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