#include <iostream>
#include <typeinfo> // 需要包含 typeinfo 头文件using namespace std;int main() {int a[] = { 1,23,4,5,6 };int *ptr = a;cout << *ptr + 1 << endl;cout << ptr[3] << endl;cout << sizeof(a) << endl;cout << sizeof(int) << endl;cout << end(a) - begin(a)<< endl;int* beginptr = begin(a);int* endptr = end(a);cout << distance(beginptr, endptr);}