Java Program to Print Inverted Right-Angled Triangle with Decreasing Character Pattern

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Program to Print Inverted Right-Angled Triangle with Decreasing Character Pattern

In the previous article, we have discussed Java Program to Print Inverted Right-Angled Triangle with Row wise Increasing Character Pattern

In this program we are going to see how to print an inverted right-angled triangle with decreasing character pattern.

Example-1

When character=h 
and row value=3

hgf
gf
f
Example-2:

When character=E 
and row value=5

EDCBA
DCBA
CBA
BA
A

Now, let’s see the actual program to print it.

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Approach:

  • Enter the character and store it in a variable c.
  • Then enter total row and store it in an integer variable row_count.
  • Take one outer for loop to iterate the rows.
  • Take one inner loop to iterate the columns and print the character.
  • After each iteration print a new line.

Java Code to Print Inverted Right-Angled Triangle with Decreasing Character Pattern

import java.util.Scanner;
class Main
{
public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    //Taking character to be printed as input from the user
    System.out.print("Character : ");
    char c = scan.next().charAt(0);

    //Taking number of rows as input from the user
    System.out.print("Rows : ");
    int row_count = scan.nextInt();

    int row, col;
    //Converting the character to its ascii value
    int asciiValue = (int) c;

    //Checks whether the character is a letter or not
    if(asciiValue>=65&&asciiValue<=122)
    {
        
        //Outer loop to iterate rows
        for (row = 0; row < row_count; row++)
        {
            c = (char)asciiValue;
            //Inner loop to print star
            for(col = 0; col<row_count-row; col++)
            {
                System.out.print(c--);
            }
            asciiValue--;
            //Prints a newline
            System.out.println();
        }
    }
}
}

Output:

Character : E
Rows : 5

EDCBA
DCBA
CBA
BA
A

C Code to Print Inverted Right-Angled Triangle with Decreasing Character Pattern

#include <stdio.h>

int main()
{
    //Taking character to be printed as input from the user
    printf("Character : ");
    char c;
    scanf("%c", &c);

    //Taking number of rows as input from the user
    printf("Rows : ");
    int row_count;
    scanf("%d", &row_count);

    int row, col;
    //Converting the character to its ascii value
    int asciiValue = (int)c;

    //Checks whether the character is a letter or not
    if (asciiValue >= 65 && asciiValue <= 122)
    {
        //Outer loop to iterate rows
        for (row = 0; row < row_count; row++)
        {
            c = (char)asciiValue;
            //Inner loop to print star
            for (col = 0; col < row_count - row; col++)
            {
                printf("%c", c--);
            }
            asciiValue--;
            //Prints a newline
            printf("\n");
        }
    }
    return 0;
}


Output:

Character : E
Rows : 5

EDCBA
DCBA
CBA
BA
A

C++ Code to Print Inverted Right-Angled Triangle with Decreasing Character Pattern

#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
    //Taking character to be printed as input from the user
    cout << "Character : ";
    char c;
    cin >> c;

    //Taking number of rows as input from the user
    cout << "Rows : ";
    int row_count;
    cin >> row_count;

    int row, col;
    //Converting the character to its ascii value
    int asciiValue = (int)c;

    //Checks whether the character is a letter or not
    if (asciiValue >= 65 && asciiValue <= 122)
    {
        //Outer loop to iterate rows
        for (row = 0; row < row_count; row++)
        {
            c = (char)asciiValue;
            //Inner loop to print star
            for (col = 0; col < row_count - row; col++)
            {
                cout << c--;
            }
            asciiValue--;
            //Prints a newline
            cout << endl;
        }
    }
    return 0;
}


Output:

Character : E
Rows : 5

EDCBA
DCBA
CBA
BA
A

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