NetApp interview question

How can you reverse words in a string without using extra memory?

Interview Answers

Anonymous

7 Dec 2010

include #include using namespace std; void ret_str(char* s) { if(*s != '\0') ret_str(s+1); cout>str; ret_str(str); return 0;

2

Anonymous

15 Jan 2011

The requirements were to reverse the words in the string, not the entire string. So first reverse the entire string in place and then scan and reverse each word in place as you come to it. Reverse the words -> sdorw eht esreveR -> words the Reverse