整型变量溢出案例C++版

源码来自《C++ Primer Plus》，有微小改动，运行于64位win10

#include <iostream>
#include <climits>

#define ZERO 0

using std::cout;
using std::cin;
using std::endl;

int main() {
    short sam = SHRT_MAX;
    unsigned short sue = sam;

    cout << "Sam has " << sam << " dollars and Sue has " << sue;
    cout << " dollars deposited." << endl
         << "Add $1 dollar to each account." << endl << "Now ";
    sam = sam + 1;
    sue = sue + 1;
    cout << "Sam has " << sam << " dollars and Sue has " << sue;
    cout << " dollars deposited.\nPoor Sam!" << endl;

    sam = ZERO;
    sue = ZERO;
    cout << "Sam has " << sam << " dollars and Sue has " << sue;
    cout << " dollars deposited." << endl;
    cout << "Take $1 dollar from each account." << endl << "Now ";
    sam = sam - 1;
    sue = sue - 1;
    cout << "Sam has " << sam << " dollars and Sue has " << sue ;
    cout << " dollars deposited." << endl;
    cout << "Lucky Sue!";

    return 0;
}

Output:

Sam has 32767 dollars and Sue has 32767 dollars deposited.
Add $1 dollar to each account.
Now Sam has -32768 dollars and Sue has 32768 dollars deposited.
Poor Sam!
Sam has 0 dollars and Sue has 0 dollars deposited.
Take $1 dollar from each account.
Now Sam has -1 dollars and Sue has 65535 dollars deposited.
Lucky Sue!