题解 | #数组类的构造函数#

#include<bits/stdc++.h>
using namespace std;
class Array {
  private:
    int n;//数组大小
    int* a;//数组
  public:
    // write your code here......
    Array() {
        cin >> n;
		a = new int[n];
        for (int i = 0; i < n; i++) {
            cin >> a[i];
        }
    }
    ~Array() {
        delete []a;
    }
    void show() {
        for (int i = 0; i < n; i++) cout << a[i] << ' ';
    }
};
int main() {
    Array a;
    a.show();
    return 0;
}