题解 | #数组类的拷贝构造函数#

#include <iostream>
#include <cstring>
using namespace std;

int main() {
    int *arr1, *arr2, size;
    cin >> size;

    arr1 = new int[size];
    for(int i = 0; i < size; ++i)
    {
        cin >> arr1[i];
    }

    arr2 = new int[size];
    memcpy(arr2, arr1, size * sizeof(int));

    for(int i = 0; i < size; ++i)
    {
        cout << arr2[i] << " ";
    }

    delete[] arr1;
    delete[] arr2;
}
// 64 位输出请用 printf("%lld")