Addresses

The address-of operator & gives the memory location of a variable.

addresses.cpp

#include <iostream>

int main() {
    int score = ;
    int* scoreAddress = &score;
    bool sameAddress = scoreAddress == &score;

    std::cout << "score=" << score << std::endl;
    std::cout << "sameAddress=" << sameAddress << std::endl;
    std::cout << "pointedValue=" << *scoreAddress << std::endl;
    return 0;
}

#include <iostream>

int main() {
    int score = ;
    int* scoreAddress = &score;
    bool sameAddress = scoreAddress == &score;

    std::cout << "score=" << score << std::endl;
    std::cout << "sameAddress=" << sameAddress << std::endl;
    std::cout << "pointedValue=" << *scoreAddress << std::endl;
    return 0;
}

#include <iostream>

int main() {
    int score = ;
    int* scoreAddress = &score;
    bool sameAddress = scoreAddress == &score;

    std::cout << "score=" << score << std::endl;
    std::cout << "sameAddress=" << sameAddress << std::endl;
    std::cout << "pointedValue=" << *scoreAddress << std::endl;
    return 0;
}

address-of The expression `&value` produces a pointer to `value`.