• On September 7, 2024
• By Karmehavannan
• 0 Comment
• Categories: Floyd's triangle, star pattern
• Tags: C language, C pattern, Pattern

Hollow triangle pattern in C programming

Hollow triangle patterns in C programming

In this tutorial, we will discuss How to create hollow triangle pattern in C programming language

We can print many types of hollow triangle pattern in C programming language

We describe four hollow patterns in this post

Hollow triangle star patterns in C language

Pattern 1

Hollow triangle Program 1

#include 
#include 

int main()
{
    int i,j,rows;//variable declaration
    //Input row value from user
    printf("Enter of rows you want\n");
    scanf("%d",&rows);
    for(i=1; i<=rows; i++){//parent for loop
        for(j=i; j<=rows; j++){//print columns
            if(i==1 || j==i || j==rows){
                printf("*");
            }
            else{
                printf(" ");
            }
        }
        printf("\n");//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results:

Program 2

Hollow triangle pattern 2

#include 
#include 

int main()
{
    int i,j,rows;//variable declaration
    //Input row value from user
    printf("Enter of rows you want\n");
    scanf("%d",&rows);
    for(i=1; i<=rows; i++){//parent for loop, for row of hollow triangle
        for(j=1; j<=i; j++){//print columns
            if(j==1 || j==i || i==rows){
                printf("*");
            }
            else{
                printf(" ");
            }
        }
        printf("\n");//move to next line
    }
    getch();
    return 0;
}

When the above code is executed, it produces the following results:

Program 3

Hollow triangle pattern 3

#include 
#include 

int main()
{
    int i,j,rows;//variable declaration
    printf("Enter the number of rows you want: ");
    scanf("%d",&rows);//get input from user for rows
    for(i=1; i<=rows; i++){
        for(j=1; j
 

 
Program 4
Hollow triangle pattern 4
#include 
#include 

int main()
{
    int i,j,rows;
    printf("Enter the number of rows you want: ");
    scanf("%d",&rows);//get input from user for rows
    for(i=1; i<=rows; i++){
        for(j=i; j
When the above code is executed, it produces the following results:

 
 
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