题解 | #创建二维动态数组#

#include<bits/stdc++.h>
#include <iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    // write your code here......

    int** ptr = new int *[n];
    for (int i = 0; i < n; i++)
        ptr[i] = new int[n];
    
    for (int j = 0; j < n; j++)
    {
        for (int k = 0; k < n; k++)
            {
                ptr[j][k] = j+k;
                cout << ptr[j][k] << " ";
            }
                cout << endl; 
    }

    return 0;
}