Odd output from reversed string program

Question

as a little c++ practice I'm trying to reverse a string. problem is, it more jumbles the string than reverses it. am I reversing the string wrong?
https://code.sololearn.com/c2QyAe3BzEO1/?ref=app

Answer 1

text is of type char[] (equivalent to char*).
sizeof(text) == sizeof(char*) == sizeof(void*)
It does not give the length of the array