CPlusPlusThings/basic_content/const/funciton_const/condition2/condition1.cpp

#include<iostream>
using namespace std;
int main(){

    int num=0;
    int * const ptr=&num; //const指针必须初始化！且const指针的值不能修改
    int * t = &num;
    *t = 1;
    cout<<*ptr<<endl;
}