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 #include <conio.h>

#include <iostream.h>


void main() {

    clrscr(); // Clear the screen

    int number;


    // Get a three-digit number from the user

    cout << "Enter a three-digit number: ";

    cin >> number;


    // Check if the number is three digits

    if (number < 100 || number > 999) {

        cout << "Please enter a valid three-digit number." << endl;

        getch(); // Wait for a key press

        return; // Exit the program if the input is invalid

    }


    // Reverse the number

    int reversed = (number % 10) * 100 + ((number / 10) % 10) * 10 + (number / 100);


    // Display the reversed number

    cout << "Reversed number: " << reversed << endl;


    getch(); // Wait for a ke

y press before exiting

}

Or others code for other software #include <iostream>

using namespace std;


int main() {

    int number;


    // Get a three-digit number from the user

    cout << "Enter a three-digit number: ";

    cin >> number;


    // Check if the number is three digits

    if (number < 100 || number > 999) {

        cout << "Please enter a valid three-digit number." << endl;

        return 1;

    }


    // Extract digits

    int hundreds = number / 100;

    int tens = (number / 10) % 10;

    int units = number % 10;


    // Display the reversed number

    cout << "Reversed number: " << units << tens << hundreds << 

endl;


    return 0;

}