Program to Print Right Angled Triangle with decreasing Number Pattern
In the previous article, we have discussed Java Program to Print Right Angled Triangle with Increasing Number Pattern
In this article we will see how to print Right Angled Triangle with Decreasing Number Pattern.
- Java Code to Print Right Angled Triangle with Decreasing Number Pattern
- C Code to Print Right Angled Triangle with Decreasing Number Pattern
- C++ Code to Print Right Angled Triangle with Decreasing Number Pattern
Example-1 When size value=5 5 5 4 5 4 3 5 4 3 2 5 4 3 2 1
Example-2: When size value=4 4 4 3 4 3 2 4 3 2 1
Now, let’s see the actual program to print it.
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Approach:
- Enter total size and number store them in integer variables size.
- Take one outer for loop to iterate the rows,
- Take one inner for loop to iterate the columns.
- After each iteration print a newline.
Java Code to Print Right Angled Triangle with Decreasing Number Pattern
import java.util.Scanner; class Main { public static void main(String[] args) { // taking size of no. of iteration //Row and column are the iterators int size , numberOfRows , numberOfColumns; // Create a new Scanner object Scanner scanner = new Scanner(System.in); // Get the number of rows from the user System.out.print("Enter the number of rows : "); size = scanner.nextInt(); //Outer loop to iterate the rows //Iterates from size to 1 for ( numberOfRows = size; numberOfRows >=1 ; numberOfRows--) { //Inner loop to iterate the columns //Iterates from size to row value for ( numberOfColumns = size ; numberOfColumns >= numberOfRows ; numberOfColumns--) { //Prints the num value System.out.print(numberOfColumns + " "); } // printing in new line System.out.println(); } } }
Output : Enter the number of rows : 5 5 5 4 5 4 3 5 4 3 2 5 4 3 2 1
C Code to Print Right Angled Triangle with Decreasing Number Pattern
#include <stdio.h> #include <stdlib.h> int main() { int size , numberOfRows , numberOfColumns; printf("Enter the number of rows : "); scanf ("%d",&size); for ( numberOfRows = size; numberOfRows >=1 ; numberOfRows--) { for ( numberOfColumns = size ; numberOfColumns >= numberOfRows ; numberOfColumns--) { printf("%d ",numberOfColumns); } printf("\n"); } return 0; }
Output : Enter the number of rows : 5 5 5 4 5 4 3 5 4 3 2 5 4 3 2 1
C++ Code to Print Right Angled Triangle with Decreasing Number Pattern
#include <bits/stdc++.h> using namespace std; int main() { int size , numberOfRows , numberOfColumns; printf("Enter the number of rows : "); scanf ("%d",&size); for ( numberOfRows = size; numberOfRows >=1 ; numberOfRows--) { for ( numberOfColumns = size ; numberOfColumns >= numberOfRows ; numberOfColumns--) { cout << numberOfColumns; } cout << "\n"; } return 0; }
Output : Enter the number of rows : 5 5 5 4 5 4 3 5 4 3 2 5 4 3 2 1
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