heros_inventory3.cpp

来自「the source of dev_c++ most of them for 」· C++ 代码 · 共 51 行

// Hero's Inventory 3.0
// Demonstrates iterators

#include <iostream>
#include <string>
#include <vector>

using namespace std;

int main()
{
    vector<string> inventory;
    inventory.push_back("sword");
    inventory.push_back("armor");
    inventory.push_back("shield");

    vector<string>::iterator myIterator;
    vector<string>::const_iterator iter;

    cout << "Your items:\n";
    for (iter = inventory.begin(); iter != inventory.end(); ++iter)
        cout << *iter << endl;

    cout << "\nYou trade your sword for a battle axe.";
    myIterator = inventory.begin();
    *myIterator = "battle axe";
    cout << "\nYour items:\n";
    for (iter = inventory.begin(); iter != inventory.end(); ++iter)
        cout << *iter << endl;

    cout << "\nThe item name '" << *myIterator << "' has ";
    cout << (*myIterator).size() << " letters in it.\n";

    cout << "\nThe item name '" << *myIterator << "' has ";
    cout << myIterator->size() << " letters in it.\n";

    cout << "\nYou recover a crossbow from a slain enemy.";
    inventory.insert(inventory.begin(), "crossbow");
    cout << "\nYour items:\n";
    for (iter = inventory.begin(); iter != inventory.end(); ++iter)
        cout << *iter << endl;

    cout << "\nYour armor is destroyed in a fierce battle.";
    inventory.erase((inventory.begin() + 2));
    cout << "\nYour items:\n";
    for (iter = inventory.begin(); iter != inventory.end(); ++iter)
        cout << *iter << endl;

 return 0;
}