Program to print Rhombus and Hollow Rhombus star Using while loop in C

Program to print Rhombus and Hollow Rhombus star Using while loop in C

In this article, we will discuss the concept of Program to print Rhombus and Hollow Rhombus star pattern  Using while loop in C language

In this post, we are going to learn how to use while loop for write a program to print  rhombus and hollow rhombus pattern using given symbol in  C language.

Display Rhombus  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 <stdio.h>
#include <stdlib.h>

int main() {
    int i,j,rows;
    char ch;
    printf("Enter the number of rows\n");
scanf("%d%c",&rows,&ch);
printf("Enter the Symbol for pattern\n");
 ch=getchar();
 printf("\n");
 i=1;
 while(i<=rows){//outer for loop
        j=1;
   while(j<=rows-i){//inner for loop
   printf(" ");//print space
  j++;
   }
   j=1;
   while(j<=rows){//inner for loop
   printf("%c",ch);//print character after space
   j++;
}
 printf("\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

 

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

Program 2

#include <stdio.h>
#include <stdlib.h>

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

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

 

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