从STL中的list删除元素

Swallow — Tue, 14 Jul 2009 14:33:00 GMT

正确版本�Q?br>

1 #include <iostream>
2 #include <list>
3 #include <algorithm>
4 using namespace  std;
5
6 int main(int argc, char* argv[])
7 {
8     list<int> MyList;
9
10     for (int i = 0; i < 10; i++)
11     {
12         MyList.push_back(i);
13     }
14
15     list<int>::iterator Itor;
16
17     for ( Itor = MyList.begin(); Itor != MyList.end(); )
18     {
19         if ( *Itor == 4 )
20         {
21             Itor = MyList.erase(Itor);
22         }
23         else
24         {
25             Itor++;
26         }
27     }
28
29     copy(MyList.begin(), MyList.end(), ostream_iterator<int>(cout, " ") );
30     cout<<endl;
31
32     return 0;
33 }

错误版本�Q?br>

1 #include <iostream>
2 #include <list>
3 #include <algorithm>
4 using namespace  std;
5
6 int main(int argc, char* argv[])
7 {
8     list<int> MyList;
9
10     for (int i = 0; i < 10; i++)
11     {
12         MyList.push_back(i);
13     }
14
15     list<int>::iterator Itor;
16
17     for ( Itor = MyList.begin(); Itor != MyList.end(); Itor++)
18     {
19         if ( *Itor == 4 )
20         {
21             MyList.erase(Itor); //断链�Q�出错地�?/span>
22         }
23     }
24
25     copy(MyList.begin(), MyList.end(), ostream_iterator<int>(cout, " ") );
26     cout<<endl;
27
28     return 0;
29 }

Swallow 2009-07-14 22:33 发表评论

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从STL中的list删除元素