#include <iostream>using namespace std;int main(){#if 0    //devide by 0    int i = 1;    int j = 0;    double d = i/j;#endif    #if 1    //allocate large memory, NOK    char* pc = new char[1000000000];#endif#if 0    //change const memory, OK    char* pc1 = "stack";    pc1[0] = ‘a‘;    cout << pc1 << endl;#endif#if 0    //access invalid address£¬ OK    char pc3[] = {‘a‘, ‘b‘, ‘c‘};    pc3[3] = ‘d‘;        cout << pc3 << endl;#endif#if 0     //stack overflow, NOK    char pc4[8];    cout << "Please enter yoour name: " << endl;    cin >> pc4; //enter AAAAAAAAAAAAAAAAAAAAAAA    cout << "Your name is: " << pc4 << endl;#endif#if 0    //delete pointer not from new, NOK    int i;    int* pi = &i;    delete pi;#endif}