笔试题常考--字符指针与动态字符数组

#include <iostream>
using namespace std;

int main()
{
    char* a;
    cout << "请输入姓名";
    cin >> a;   
    return 0;
}

#include <iostream>
using namespace std;

int main()
{
    char* a = new char[100];
    cout << "请输入姓名";
    cin >> a;   
    cout << a << endl;
    delete [] a;
    return 0;
}