#include <iostream>
#include <vector>
using namespace std;
 
 
int main(){
    int x = 42;
    int* ptr = &x;
 
    // 使用 printf 打印指针地址
    printf("Address of x: %p\n", (void*)ptr);
 //const unsigned SIZE_OF =5;
 //int const numbers[SIZE_OF] = {0, 1, 0, 1, 0};
 //int const * const numberIterator = std::find(numbers, numbers+SIZE_OF, 1);
 //std::cout << std::distance(numbers, numberIterator);
 
 //std::vector<int> myvector;
 //for(int i = 1; i<=10; i++)
 //myvector.push_back(i);
 //myvector.erase(myvector.begin() +6);
 //myvector.erase(myvector.begin(), myvector.begin() +4);
 //for(unsigned i = 0; i< myvector.size();++i)
 //std::cout <<''<<myvector[i];
 
}
 

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