指针的指针

#include <iostream>
using namespace std;
int main()
{
int a = 35;
int *b1 = &a;
int **b2 = &b1;
cout << a << "    "<< *b1 << "     "<< **b2 << "     "<< endl;
return 0;
}

#include <iostream>
using namespace std;
int main()
{
int a = 35;
int *b1 = &a;
int **b2 = &b1;
cout << a << "    "<< b1 << "     "<< *b2 << "     "<< endl;
return 0;
}

#include <iostream>
using namespace std;
int main()
{
int a = 35;
int *b1 = &a;
int **b2 = &b1;
cout << a << "    "<< b1 << "     "<< b2 << "     "<< endl;
return 0;
}