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;
}