Given a string str, we need to print reverse of individual words.
Input : Hello World Output : olleH dlroW Input : Geeks for Geeks Output : skeeG rof skeeG
Method 1 (Simple): Generate all words separated by space. One by one reverse words and print them separated by space.
Method 2 (Space Efficient): We use a stack to push all words before space. As soon as we encounter a space, we empty the stack.
skeeG rof skeeG
Using stringstream in C++ :
Time complexity : O(n)
Space complexity : O(n)
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