exceed.cpp

来自「C++ Primer Plus.第五版.习题解答和例题代码」· C++ 代码 · 共 30 行

// exceed.cpp -- exceeding some integer limits
#include <iostream>
#define ZERO 0      // makes ZERO symbol for 0 value
#include <climits>  // defines INT_MAX as largest int value
int main()
{
    using namespace std;
    short sam = SHRT_MAX;     // initialize a variable to max value
    unsigned short sue = sam;// okay if variable sam already defined

    cout << "Sam has " << sam << " dollars and Sue has " << sue;
    cout << " dollars deposited." << endl
		 << "Add $1 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 from each account." << endl << "Now ";
    sam = sam - 1;
    sue = sue - 1;
    cout << "Sam has " << sam << " dollars and Sue has " << sue;
    cout << " dollars deposited." << endl << "Lucky Sue!" << endl;
    return 0; 
}