动态申请二维数组

#include<iostream>
#include<stdlib.h>
 
using namespace std;
 
int main()
{
    int M, N;
    int **array;
    
    cout << "请输入M,N的值:" << endl;
    cin >> M >> N;
    
    if (M <= 0 || N <= 0)
    {
        cout << "您的输入不合法！" << endl;
    }
    else
    {
        
        array = new int* [M];
        for (int i = 0; i < M; i++)
        {
            array[i] = new int[N]; 
        }
        //输入二维数组的值
        for (int i = 0; i < M;i++)
        {
            for (int j = 0; j < N;j++)
            {
                array[i][j] = rand() % 10;
            }
        }
    }
    cout << "输出二维数组：" << endl;
    for (int i = 0; i < M;i++)
    {
        for (int j = 0; j < N;j++)
        {
            cout << array[i][j] << ' ';
        }
        cout << endl;
    }
    //释放二维数组
    for (int i = 0; i < M;i++)
    {
        delete[]array[i];
        
    }
    delete[]array;
    /*system("pause");*/
    return 0;
}