Dynamic array(C/C++) 二維 多微陣列

//一維-->連續
int *D_array = new int[Length_1D];

delete []D_array;


//二維(兩維長度均動態)-->非連續
int** Array_2D = new int *[Length_2D];
for(int i = 0; i < Length_2D; i++) {    Array_2D[i] = new int[Length_1D];
}

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for(int i = 0; i < Length_2D; i++) {    delete []Array_2D[i];
}
delete[] Array_2D;

//二維(兩維長度均動態)-->連續
void **a = (void**)new char[h * sizeof(void*) + w * h * sizeof(int)];

for(int i = 0; i < h; i++) {
    a[i] = ((int*)(a + h)) + i * w * sizeof(int);
}

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delete[] ((void*)a);//二維(一維為固定長度)-->連續int (*Array_2D)[yyy] = new int[Length_2D][yyy];    //yyy->一維固定的長度

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delete[] Array_2D;