int** pNum;
pNum = new int*[M];
for(int i=0;i<M;i++)
{
pNum[i]=new int[N];
}
//删除的时候是
for(int j=0;j<M;j++)
delete []pNum[j];
delete []pNum;
C++二维数组的new、delete
原文：http://www.cnblogs.com/lovemyhuangmei/p/4013547.html
