Hmmm, For the first case, for us to know the position by index shouldn't need to read the position first ?
For the third case i did not understand what are you saying.
Thanks,
For the first case, for us to know the position by index shouldn't need to read the position first ?
What do you mean by reading the position? We can simple insert or delete the value without knowing whether it was there already.
What is it that you don't understand?
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Hmmm,
For the first case, for us to know the position by index shouldn't need to read the position first ?
For the third case i did not understand what are you saying.
Thanks,
What do you mean by reading the position? We can simple insert or delete the value without knowing whether it was there already.
What is it that you don't understand?