动态二维数组

动态二维数组

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
	//二维动态数组
	int **parray;
	int row = 5, col = 6;
	printf("请输入行和列:\n");
	scanf("%d%d", &row, &col);
	parray = (int **)calloc(row, sizeof(int *)); //行
	
	int i = 0;
	for(i=0; i<row; i++)
	{
		parray[i] = (int *)calloc(col, sizeof(int)); //均为行指针（指针数组，指向一维数组）p[0] p[1] p[2] p[3] p[4]
	}

	//parray就变成了一个 动态的二维数组
	int j = 0;
	for(i=0; i< row; i++)
	{
		for(j=0; j<col; j++)
		{
			parray[i][j] = i + j;
			printf("%3d ", parray[i][j]);
		}
		printf("\n");
	}
	
	free(parray);
	
	

	return 0;
}