Hello. I'm a newbie and i was wondering if anyone can tell me how to create an array that contains objects and number 0 wherever there is no object. Thanks in advance

I think you might be talking about an array of pointers to some objects, and the pointers are NULL if it does not contain valid pointer. Something like this:

class MyClass
   // blabla

// an array of 10 pointers to MyClass objects, 
// initialized to NULL pointers.
MyClass* array[10] = {NULL};
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