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I have a practise problem to write a function that takes 3 dim and dynamicly allocates 3d array with those values and then (PART THAT I DONT GET) : fills the 3-dimensional array with multiplication tables. What am I even supossed to do ?? Here's my code :

```
int main()
{
int dimX = 0;
int dimY = 0;
int dimZ = 0;
cout << "Enter a lenght : ";
cin >> dimX;
cout << "Enter widht : ";
cin >> dimY;
cout << "Enter a height : ";
cin >> dimZ;
John_is_3D(dimX,dimY,dimZ);
}
void John_is_3D(int lenght,int width,int height) {
int val=0;
int *** John;
John = new int**[lenght];
for(int x = 0;x < lenght;x++){
John[x] = new int*[width];
for(int y = 0;y < width;y++){
John[x][y] = new int[height];
for(int z = 0;z < height;z++){
John[x][y][z] =
}
}
}
for(int x = 0;x < lenght;x++){
for(int y = 0;y < width;y++){
for(int z = 0;z < height;z++){
cout<< John[x][y][z] << " ";
}
}
cout << endl<<endl;
}
}
```