指针常见的错误

​#include<iostream> using namespace std; int main() { int *p=new int; *p=3; cout<<"将3赋给p的地址后,指针p读取的值:\t"<<*p<<endl; delete p;//删除空间; p=0; cout<<"将删除空间后,指针p读取的值:\t\t"<<*p<<endl; long *p1=new lo

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