pr22005.cpp

来自「c++编程宝典源码及Quincy99编译器 是《标准C++编程宝典》电子工业出」· C++ 代码 · 共 54 行

////////////////////////////////////////
// File Name: pr22005.cpp
////////////////////////////////////////
#include <iostream>
#include <set>

int main()
{
    // Create the first set object.
    std::set<char> charSet1;

    // Populate the set with values.
    charSet1.insert('E');
    charSet1.insert('D');
    charSet1.insert('C');
    charSet1.insert('B');
    charSet1.insert('A');

    // Display the contents of the first set.
    std::cout << "Contents of first set: " << std::endl;
    set<char>::iterator iter;
    for (iter = charSet1.begin();
            iter != charSet1.end(); iter++)
        std::cout << *iter << std::endl;
    std::cout << std::endl;

    // Create the second set object.
    std::set<char> charSet2;

    // Populate the set with values.
    charSet2.insert('J');
    charSet2.insert('I');
    charSet2.insert('H');
    charSet2.insert('G');
    charSet2.insert('F');

    // Display the contents of the second set.
    std::cout << "Contents of second set: " << std::endl;
    for (iter = charSet2.begin();
            iter != charSet2.end(); iter++)
        std::cout << *iter << std::endl;
    std::cout << std::endl;

    // Compare the sets.
    if (charSet1 == charSet2)
        std::cout << "set1 == set2";
    else if (charSet1 < charSet2)
        std::cout << "set1 < set2";
    else if (charSet1 > charSet2)
        std::cout << "set1 > set2";

    return 0;
}