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 to print Rhombus and Hollow Rhombus star Using while loop in C — Rhombus star pattern

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