[問題] 刪不掉 囧
TypeDefine:
typedef struct node* ptr;
struct node{ int BF;
int key;
ptr lchild,rchild; };
main裡面:
ptr root = new node;
root->key = 2;
delete(root);
if(root)
cout<<root->key;
結果:
2
問題:
=_=這是...怎麼了...
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