1 Complete the following program problems in c/c++, or if you are familiar with C# or Java you can use that as well.
a)

　做道题　谢谢：：！！！
Implement a revert function which takes a string as input, on output, it reverts the characters in the input string. e.g. "Hello" becomes "olleH"

char * revert ( char * s )
{