#include <iostream> using namespace std; int main() { // Prompt the user for a decimal number int decimal_number; cout << "Enter a decimal number: "; cin >> decimal_number; // Prompt the user for the target base int target_base; cout << "Enter the target base (2-16): "; cin >> target_base; // Validate the target base if (target_base < 2 || target_base > 16) { cout << "Error: Target base must be between 2 and 16 (inclusive)." << endl; exit(1); } // Initialize the result string string result; // Convert the decimal number to the target base using a while loop while (decimal_number > 0) { // Get the remainder of the division by the target base int remainder = decimal_number % target_base; // Convert the remainder to a character representation char remainder_char; if (remainder < 10) { remainder_char = str(remainder); } else { remainder_char = chr(ord('A') + remainder - 10); } // Append the remainder character to the result string result.push_back(remainder_char); // Divide the decimal number by the target base decimal_number /= target_base; } // Reverse the result string to get the correct order reverse(result.begin(), result.end()); // Output the result cout << "The decimal number " << decimal_number << " in base " << target_base << " is " << result << "." <<