博客

3.2

#include<iostream>
#define ZERO 0
#include<climits>
int main()
{
	using namespace std;
	short sam = SHRT_MAX;
	unsigned short sue = sam;

	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;
	system("pause");
	return 0;

}

3.3

#include <iostream>
int main()
{
	using namespace std;
	int chest = 42;
	int waist = 0x42;
	int inseam = 042;

	cout << "Monsieur cuts a striking figure!\n";
	cout << "cheat = " << chest << " (42 in decimal)\n";
	cout << "waist = " << waist << "(0x42 in hex)\n";
	cout << "inseam = " << inseam << "(042 in octal)\n";
	system("pause");
	return 0;
}

3.4

#include <iostream>
int main()
{
	using namespace std;
	int chest = 42;
	int waist = 42;
	int inseam = 42;

	cout << "Monsieur cuts a striking figure!" << endl;
	cout << "cheat = " << chest << " (decimal for 42)" << endl;
	cout << hex;
	cout << "waist = " << waist << "(hexadecimal for 42)" << endl;
	cout << oct;
	cout << "inseam = " << inseam << "(octal for 42)" << endl;
	system("pause");
	return 0;
}