C Program to Print Right Triangle Number Pattern

In this tutorial you will learn about the C Program to Print Right Triangle Number Pattern and its application with practical example.

In this tutorial, we will learn to create a C program that will print the Right Triangle Number Pattern in C programming

Table Of Contents−

C Program to Print Right Triangle Number Pattern

Prerequisites

Before starting with this tutorial, we assume that you are the best aware of the following C programming topics:

Operators in C Programming.

Basic Input and Output function in C Programming.
Basic C programming.
While loop in C programming.

Conditional Statements in C programming.

What is Right Angled Triangle?

This triangle plays an important role in trigonometry. A right-angled triangle is a triangle, that has one of its interior angles equal to 90 degrees or a right angle. Therefore, this triangle is also called the right triangle or 90-degree triangle.

Program description that will print the Right Triangle Number Pattern:-

In today’s tutorial, we will create a program, that will print the Right Triangle Number Pattern using a while loop.

First, take the input number of rows in the triangle by the user. Then we will print the simple right-angle triangle of Numbers using the for-loop. The below is an example to print a Right Triangle Number Pattern.

Program Code:-

/* C Program to Print Right Triangle Number Pattern */

#include <stdio.h>
 
int main() 
{
    //declaring the required variables for the program
  	int rw, i, j;
  	//i = it will hold the integer value to control the loop. 
  	//j = it will hold the integer value to control the loop. 
  	//rw = it will hold the integer value for number of rows.
	//taking the input number of rows from the user
  	printf("Please Enter the Number of Rows:  ");
  	scanf("%d", &rw);
  	i=1;
    //Generating the  right-angled triangle.
    while ( i <= rw) 
  	{
  		j = 1;
      	while ( j <= i ) 
      	{
      	    //printing the pattern right-angled triangle
        	printf("%d", i);
          	j++;
      	}
      	i++;
      	printf("\n");
  	}
  	return 0;
}

/* C Program to Print Right Triangle Number Pattern */

#include <stdio.h>

int main()

{

//declaring the required variables for the program

int rw, i, j;

//i = it will hold the integer value to control the loop.

//j = it will hold the integer value to control the loop.

//rw = it will hold the integer value for number of rows.

//taking the input number of rows from the user

printf("Please Enter the Number of Rows: ");

scanf("%d", &rw);

i=1;

//Generating the right-angled triangle.

while ( i <= rw)

{

j = 1;

while ( j <= i )

{

//printing the pattern right-angled triangle

printf("%d", i);

j++;

}

i++;

printf("\n");

}

return 0;

}

Output:-

In the above program, we have Last initialized the required variable.

rw = it will hold the integer value.
j = it will hold the integer value.
i = it will hold the integer value.

Input the number of rows for the pattern.

Code to make the pattern on the screen.

Printing output pattern using c programming.

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C Program to Print Right Triangle Number Pattern