C++ replace replace_if replace_copy replace_copy_if
#include <iostream>
#include <list>
#include <algorithm>
#include <iterator>
#include <functional>
using namespace std;
int main()
{
list<int> list1;
list<int> list2;
for (int k=0;k<10;k++)
{
list1.push_back(k);
}
list<int>::iterator list_iter1;
for (list_iter1 = list1.begin(); list_iter1 != list1.end(); ++ list_iter1)
{
cout << *list_iter1 << " ";
}
cout << endl;
cout << "-----------------------------------------------------" << endl;
replace(list1.begin(), list1.end(), 6, 42);
for (list_iter1 = list1.begin(); list_iter1 != list1.end(); ++list_iter1)
{
cout << *list_iter1 << " ";
}
cout << endl;
cout << "-----------------------------------------------------" << endl;
replace_if(list1.begin(), list1.end(), bind2nd(less<int>(), 5), 11);
for (list_iter1 = list1.begin(); list_iter1 != list1.end(); ++list_iter1)
{
cout << *list_iter1 << " ";
}
cout << endl;
cout << "-----------------------------------------------------" << endl;
for (int k=0;k<7;k++)
{
list2.push_back(k);
}
for (int k = 4; k<10; k++)
{
list2.push_back(k);
}
list<int>::iterator list_iter2;
for (list_iter2 = list2.begin(); list_iter2 != list2.end(); ++list_iter2)
{
cout << *list_iter2 << " ";
}
cout << endl;
cout << "-----------------------------------------------------" << endl;
replace_copy(list2.begin(), list2.end(), ostream_iterator<int>(cout, " "), 5, 55);
cout << endl;
cout << "-----------------------------------------------------" << endl;
replace_copy_if(list2.begin(), list2.end(), ostream_iterator<int>(cout, " "), bind2nd(less<int>(), 5), 46);
cout << endl;
cout << "-----------------------------------------------------" << endl;
system("pause");
return 0;
}
===============================================
0 1 2 3 4 5 6 7 8 9
-----------------------------------------------------
0 1 2 3 4 5 42 7 8 9
-----------------------------------------------------
11 11 11 11 11 5 42 7 8 9
-----------------------------------------------------
0 1 2 3 4 5 6 4 5 6 7 8 9
-----------------------------------------------------
0 1 2 3 4 55 6 4 55 6 7 8 9
-----------------------------------------------------
46 46 46 46 46 5 6 46 5 6 7 8 9
-----------------------------------------------------
请按任意键继续. . .