C Program to Print Right Triangle Alphabets Pattern

In this tutorial, i am going to show you how to print right triangle alphabets pattern with the help of for loop and while loop in c programs.

All C Programs to Print Right Triangle Alphabets Pattern

  • C Program to Print Right Triangle Alphabets Pattern using For Loop
  • C Program to Print Right Triangle Alphabets Pattern using While Loop

C Program to Print Right Triangle Alphabets Pattern using For Loop

#include <stdio.h>
int main()
{
    int i, j, rows, alphabet = 65;
    
    printf("Enter Right Triangle Alphabets Pattern Rows = ");
    scanf("%d",&rows);
    printf("The Right Angled Triangle Alphabets Pattern\n"); 
    
	for (i = 0 ; i < rows; i++ ) 
	{
		for (j = 0 ; j <= i; j++ ) 	
		{
			printf("%c ", alphabet + j);
		}
		printf("\n");
	}
    return 0;
}

The result of the above c program; is as follows:

Enter Right Triangle Alphabets Pattern Rows = 5
The Right Angled Triangle Alphabets Pattern
A 
A B 
A B C 
A B C D 
A B C D E 

C Program to Print Right Triangle Alphabets Pattern using While Loop

#include <stdio.h>
int main()
{
    int i = 0, j, rows, alphabet = 65;
    
    printf("Enter Right Triangle Alphabets Pattern Rows = ");
    scanf("%d",&rows);
    printf("\nThe Right Angled Triangle Alphabets Pattern\n"); 
    
	while (i < rows ) 
	{
		j = 0 ;
		while ( j <= i ) 	
		{
			printf("%c ", alphabet + j);
			j++;
		}
		printf("\n");
		i++;
	}
    return 0;
}

The result of the above c program; is as follows:

Enter Right Triangle Alphabets Pattern Rows = 5
The Right Angled Triangle Alphabets Pattern
A 
A B 
A B C 
A B C D 
A B C D E 

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