C语言08

    int arr[3][4] = { 1,2,3,4,5,6,7,8,9,10,11,12 };
	int arr1[3][4] = { {1,2,3,4},{5,6,7,8},{9,10,11,12} };
	int arr2[3][4] = { 1,2,3,4,5 };
	int arr3[3][4] = { {1} ,{2}, {3} };
	int arr4[][3] = {1,2,3,4};

	//下标访问
	arr[1][2] = 70;

	//遍历
	int i, j;

	for (i = 0; i < 3; i++)
	{
		for (j = 0;j < 4;j++)
		{
			printf("%dn",arr[i][j]);
		}
	}

	int(*p1)[3][4] = &arr;
	int(*p2)[4] = arr;
	int*p3 = *arr;