#include<iostream>
using namespace std;
int ROW = 5;
int COL = 5;
int main()
{
int **a = new int*[ROW];
for(int i = 0; i < ROW; i++)
a[i] = new int[COL];
for(int r = 0; r < ROW; r++)
for(int c = 0; c < COL; c++)
a[r][c] = 6;
for(int i = 0; i < ROW; i++)
{
for(int j = 0; j < COL; j ++)
cout << a[i][j] << " ";
cout << endl;
}
for(int i = 0; i < ROW; i ++)
delete[] a[i];
delete[] a;
int **b = NULL;
b = (int**)malloc(sizeof(int*) * ROW);
for(int r = 0; r < ROW; r++)
b[r] = (int*)malloc(sizeof(int) * COL);
for(int i = 0; i < ROW; i ++)
{ for(int j = 0; j < COL; j++)
{
cout << b[i][j] << " ";
}
cout << endl;
}
for(int i = 0; i < ROW; i++)
delete[] b[i];//这里一定要释放彻底
delete[] b;
return 0;
原文链接: https://www.cnblogs.com/majianbin/archive/2013/05/06/3062569.html
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