题解 | #创建二维动态数组#

#include<bits/stdc++.h>
using namespace std;



int main(){
    int n;
    cin>>n;
    // write your code here......
    int** a=new int* [n];
    for(int i=0;i<n;i++)
    {
        a[i] = new int[n];
        for(int j=0;j<n;j++)
        {

            a[i][j] = i+j;
            if(j!=n-1)
             cout<< a[i][j] <<" ";
            else
             cout <<a[i][j] <<endl;
        }
    }

    for(int i=0;i<n;i++)
    {
        delete []a[i];
        a[i]=nullptr;
    }
    delete []a;
    a=nullptr;

    return 0;
}