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

Question

Sigiloso · Accepted Answer

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

Candace · Answer

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

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