The problem is how to return a responsibility? The size of these - I - 2 how to understand?

CodePudding user response:

Is the size - I - 1

CodePudding user response:

The size 1 good understanding, because of which are zero-based arrays in the table below, - 2 or understand some, namely do not change the last character '\ 0', reverse I don't want to change the string end tag,

CodePudding user response:

The length of the string is 6
I from 0 to 5
Size=7, the size - I - 2 from 5 to 0