数组越界检查
hello1超出范围：超出范围：2超出范围：超出范围：上面啊是结果：程序：#include<iostream>using namespace std;class A{ public: A(int l){length=l;size=new char[length];} ~A(){delete [] size;} int getlength(){return length;} char&operator[](int i); private: int length; char*size; };ch...