0
我用C++编写了一个链接列表(带一点帮助),C++将输入的元素从最小到最大排序。我想从相同的值中删除多个元素,但我使用的Delete方法似乎只能删除一个,当代码似乎删除更多。我尝试使用一个调用Delete方法的循环来删除多个元素,当它删除一个元素时,它就成为一个分段错误。我会很感激一些帮助。谢谢。删除多个元素时出错。删除方法。单链表
void List::Append(float time, char type, int cell, long id) {
// Create a new node
Node* newNode = new Node();
newNode->SetTime(time);
newNode->SetType(type);
newNode->SetCell(cell);
newNode->SetId(id);
newNode->SetNext(NULL);
// Create a temp pointer
Node *tmp = head;
if (tmp) {
if (tmp->Time() < newNode->Time()) {
newNode->SetNext(tmp);
head = newNode;
}
else {
// Nodes already present in the list
// Parse to end of list anytime the next data has lower value
while (tmp->Next() && tmp->Next()->Time() >= newNode->Time()) {
tmp = tmp->Next();
}
// Point the lower value node to the new node
Node* _next = tmp->Next();
tmp->SetNext(newNode);
newNode->SetNext(_next);
}
}
else {
// First node in the list
head = newNode;
}
}
void List::Delete(long id) {
// Create a temp pointer
Node *tmp = head;
// No nodes
if (tmp == NULL)
return;
// Last node of the list
if (tmp->Next() == NULL) {
delete tmp;
head = NULL;
}
else {
// Parse thru the nodes
Node *prev;
do {
if (tmp->Id() == id) break;
prev = tmp;
tmp = tmp->Next();
} while (tmp != NULL);
// Adjust the pointers
prev->SetNext(tmp->Next());
// Delete the current node
delete tmp;
}
}
@WhozCraig我打算删除一个项目,当它匹配我正在寻找的ID,然后我将它包含在一个循环内,直到它删除所有相同的ID。 – forkfork