Tell me what the 3rd line is doing please.
int main(){
int *p = new int[3];
*p++=0; // What's this line doing?
delete p;
return 0;
}
Tell me what the 3rd line is doing please. int main(){ int *p =
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Tell me what the 3rd line is doing please.
int main(){
int *p = new int[3];
*p++=0; // What's this line doing?
delete p;
return 0;
}
*p++=0;means this:sizeof(int)zero bytes to an address stored inp.pbysizeof(int).In other words — you have incremented the pointer and what you then passing to
deleteis not the same as was returned by operatornew[].As @FredLarson has also mentioned, you have to use
delete [] p;in order to delete an array.Also, I’d recommend you read up on pointers, pointer arithmetics and pre-/post-increment. Pick a book from our Definitive C++ Book Guide and List.