Program to Print First n Palindrome Numbers using For loop

Program to Print First n Palindrome Numbers using For loop

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  • Write a program to Print First n Palindrome Numbers using For loop in Java
  • Write a program to Print First n Palindrome Numbers using For loop in Java Script
  • Write a program to Print First n Palindrome Numbers using For loop in C#

Explanation:

Steps

  1. Define a palindrome check function:
    • A number is a palindrome if it reads the same forwards and backwards.
    • Reverse the number and compare it with the original.
  2. Iterate through numbers:
    • Start from 1 and check each number to see if it is a palindrome.
    • Use a counter to keep track of how many palindrome numbers have been printed.
    • Stop when n palindromes have been found.
  3. Output: Print the palindrome numbers.

Program to Print First n Palindrome Numbers using For loop

#include <stdio.h>

int is_palindrome(int num) {
    int original = num, reversed = 0, remainder;
    
    while (num != 0) {
        remainder = num % 10;
        reversed = reversed * 10 + remainder;
        num /= 10;
    }
    
    return original == reversed;  // Return true if palindrome
}

int main() {
    int n, count = 0, num = 1;

    printf("Enter the number of palindrome numbers to print: ");
    scanf("%d", &n);

    printf("First %d palindrome numbers are:\n", n);

    while (count < n) {
        if (is_palindrome(num)) {
            printf("%d ", num);
            count++;
        }
        num++;
    }

    return 0;
}

#include <iostream>
using namespace std;

bool is_palindrome(int num) {
    int original = num, reversed = 0, remainder;
    
    while (num != 0) {
        remainder = num % 10;
        reversed = reversed * 10 + remainder;
        num /= 10;
    }
    
    return original == reversed;  // Return true if palindrome
}

int main() {
    int n, count = 0, num = 1;

    cout << "Enter the number of palindrome numbers to print: ";
    cin >> n;

    cout << "First " << n << " palindrome numbers are:" << endl;

    while (count < n) {
        if (is_palindrome(num)) {
            cout << num << " ";
            count++;
        }
        num++;
    }

    return 0;
}

def is_palindrome(num):
    original = num
    reversed_num = 0

    while num != 0:
        remainder = num % 10
        reversed_num = reversed_num * 10 + remainder
        num //= 10

    return original == reversed_num  # Return True if palindrome

n = int(input("Enter the number of palindrome numbers to print: "))
count = 0
num = 1

print(f"First {n} palindrome numbers are:")

while count < n:
    if is_palindrome(num):
        print(num, end=" ")
        count += 1
    num += 1

<?php
function is_palindrome($num) {
    $original = $num;
    $reversed = 0;
    
    while ($num != 0) {
        $remainder = $num % 10;
        $reversed = $reversed * 10 + $remainder;
        $num = (int)($num / 10);
    }
    
    return $original == $reversed;  // Return true if palindrome
}

$n = (int)readline("Enter the number of palindrome numbers to print: ");
$count = 0;
$num = 1;

echo "First $n palindrome numbers are:\n";

while ($count < $n) {
    if (is_palindrome($num)) {
        echo "$num ";
        $count++;
    }
    $num++;
}
?>

import java.util.Scanner;

public class PalindromeNumbers {
    public static boolean isPalindrome(int num) {
        int original = num, reversed = 0, remainder;
        
        while (num != 0) {
            remainder = num % 10;
            reversed = reversed * 10 + remainder;
            num /= 10;
        }
        
        return original == reversed;  // Return true if palindrome
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the number of palindrome numbers to print: ");
        int n = scanner.nextInt();
        
        int count = 0, num = 1;
        
        System.out.println("First " + n + " palindrome numbers are:");
        
        while (count < n) {
            if (isPalindrome(num)) {
                System.out.print(num + " ");
                count++;
            }
            num++;
        }
        
        scanner.close();
    }
}

function isPalindrome(num) {
    let original = num;
    let reversed = 0;

    while (num !== 0) {
        let remainder = num % 10;
        reversed = reversed * 10 + remainder;
        num = Math.floor(num / 10);
    }

    return original === reversed;  // Return true if palindrome
}

let n = parseInt(prompt("Enter the number of palindrome numbers to print: "));
let count = 0;
let num = 1;

console.log(`First ${n} palindrome numbers are:`);

while (count < n) {
    if (isPalindrome(num)) {
        console.log(num);
        count++;
    }
    num++;
}

using System;

class Program {
    static bool IsPalindrome(int num) {
        int original = num, reversed = 0, remainder;

        while (num != 0) {
            remainder = num % 10;
            reversed = reversed * 10 + remainder;
            num /= 10;
        }

        return original == reversed;  // Return true if palindrome
    }

    static void Main() {
        Console.Write("Enter the number of palindrome numbers to print: ");
        int n = int.Parse(Console.ReadLine());

        int count = 0, num = 1;

        Console.WriteLine($"First {n} palindrome numbers are:");

        while (count < n) {
            if (IsPalindrome(num)) {
                Console.Write(num + " ");
                count++;
            }
            num++;
        }
    }
}

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