60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/* STL */
|
|
#include <algorithm>
|
|
#include <deque>
|
|
#include <functional>
|
|
#include <iterator>
|
|
#include <list>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <numeric>
|
|
#include <queue>
|
|
#include <set>
|
|
#include <stack>
|
|
#include <utility>
|
|
#include <vector>
|
|
/* STD */
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <cstdlib>
|
|
#include <math.h>
|
|
using namespace std;
|
|
|
|
void showlist (const char *str, const list<int> &L) {
|
|
list<int>::const_iterator i;
|
|
cout << str << endl << " ";
|
|
for (i=L.begin(); i != L.end(); ++i)
|
|
cout << *i << " ";
|
|
cout << endl;
|
|
}
|
|
|
|
int main (int argc, char *argv[]) {
|
|
list<int> L;
|
|
int x;
|
|
cout << "Enter positive integers, followed by 0:\n";
|
|
while (cin >> x, x != 0)
|
|
L.push_back(x);
|
|
showlist("Initial list:", L);
|
|
L.push_front(123);
|
|
showlist("After inserting 123 at the beginning:", L);
|
|
list<int>::iterator i = L.begin();
|
|
L.insert(++i, 456);
|
|
showlist("After inserting 456 at the second position:", L);
|
|
i = L.end();
|
|
L.insert(--i, 999);
|
|
showlist("After inserting 999 just before the end:", L);
|
|
i = L.begin(); x = *i;
|
|
L.pop_front();
|
|
cout << "Deleted at the beginning: " << x << endl;
|
|
showlist("After this deletion:", L);
|
|
i = L.end(); x = *--i;
|
|
L.pop_back();
|
|
cout << "Deleted at the end: " << x << endl;
|
|
showlist("After this deletion:", L);
|
|
i = L.begin();
|
|
x = *++i; cout << "To be deleted: " << x << endl;
|
|
L.erase(i);
|
|
showlist("After this deletion (of second element):", L);
|
|
return 0;
|
|
}
|
|
|