?? alg37.c
字號:
#include <algorithm>
#include <vector>
#include <assert.h>
#include <iostream.h>
/* generates:
original vector sequence:
0 1 0 2 0 3 0 4 0 5
vector after remove, without applying erase():
1 2 3 4 5 3 0 4 0 5
vector after erase():
1 2 3 4 5
*/
int main()
{
int value = 0;
int ia[] = { 0, 1, 0, 2, 0, 3, 0, 4, 0, 5 };
vector< int, allocator > vec( ia, ia+10 );
ostream_iterator< int > ofile( cout," ");
vector< int, allocator >::iterator vec_iter;
cout << "original vector sequence:\n";
copy( vec.begin(), vec.end(), ofile ); cout << '\n';
vec_iter = remove( vec.begin(), vec.end(), value );
cout << "vector after remove, without applying erase():\n";
copy( vec.begin(), vec.end(), ofile ); cout << '\n';
// erase the invalid elements from container
vec.erase( vec_iter, vec.end() );
cout << "vector after erase():\n";
copy( vec.begin(), vec.end(), ofile ); cout << '\n';
}
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