Given a string you need to print all possible strings that can be made by placing spaces (zero or one) in between them. The output should be printed in sortedincreasing order of strings
Example 1:
Input:
S = "ABC"
Output: (A B C)(A BC)(AB C)(ABC)
Explanation:
ABC
AB C
A BC
A B C
These are the possible combination of "ABC".
Example 2:
Input:
S = "AB"
Output: (A B)(AB)
Your Task:
You don't need to read input or print anything. Your task is to complete the function permutation() which takes the string S as input parameters and returns the sorted array of the string denoting the different permutation (DON'T ADD '(' and ')' it will be handled by the driver code only).
Expected Time Complexity: O(2^n) Expected Auxiliary Space: O(1)
CONSTRAINTS:
1 <= |S| < 10
S only contains lowercase and Uppercase English letters.
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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