#include <iostream>
// Function prototype
void modifyValue(int x);
int main() {
// Declare and initialize a variable
int num = 5;
// Display the original value
std::cout << "Original value: " << num << std::endl;
// Call the function with the variable
modifyValue(num);
// Display the modified value
std::cout << "Modified value: " << num << std::endl;
return 0;
}
// Function definition
void modifyValue(int x) {
// Modify the parameter value
x = 10;
// Display the modified value within the function
std::cout << "Modified value within function: " << x << std::endl;
}