Example: Let the input string be “i like this program very much”. The function should change the string to “much very program this like i”
Input: s = “geeks quiz practice code”
Output: s = “code practice quiz geeks”
Input: s = “getting good at coding needs a lot of practice”
Output: s = “practice of lot a needs coding at good getting”
- Initially, reverse the individual words of the given string one by one, for the above example, after reversing individual words the string should be “i ekil siht margorp yrev hcum”.
- Reverse the whole string from start to end to get the desired output “much very program this like i” in the above example.
Below is the implementation of the above approach:
much very program this like i
The above code doesn’t handle the cases when the string starts with space. The following version handles this specific case and doesn’t make unnecessary calls to reverse function in the case of multiple space in between. Thanks to rka143 for providing this version.
Time Complexity: O(n)
we can do the above task by splitting and saving the string in reverse manner.
Reversed String: much very program this like i
Please write comments if you find any bug in above code/algorithm, or find other ways to solve the same problem.
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