listrmv.cpp

来自「一本很好的C++学习的丛书！初学者必看的」· C++ 代码 · 共 42 行

// listrmv.cpp -- applying the STL to a string
#include <iostream>
#include <list>
#include <algorithm>

void Show(int);
const int LIM = 10;
int main()
{
    using namespace std;
    int ar[LIM] = {4, 5, 4, 2, 2, 3, 4, 8, 1, 4};
    list<int> la(ar, ar + LIM);
    list<int> lb(la);
    
    cout << "Original list contents:\n\t";
    for_each(la.begin(), la.end(), Show);
    cout << endl;
    la.remove(4);
    cout << "After using the remove() method:\n";
    cout << "la:\t";
    for_each(la.begin(), la.end(), Show);
    cout << endl;
    list<int>::iterator last;
    last = remove(lb.begin(), lb.end(), 4);
    cout << "After using the remove() function:\n";
    cout << "lb:\t";
    for_each(lb.begin(), lb.end(), Show);
    cout << endl;
    lb.erase(last, lb.end());
    cout << "After using the erase() method:\n";
    cout << "lb:\t";
    for_each(lb.begin(), lb.end(), Show);
    cout << endl;
    
    return 0;
}

void Show(int v)
{
    std::cout << v << ' ';
}