Given a string consisting of spaces,\t,\n and lower case alphabets.Your task is to count the number of words where spaces,\t and \n work as separators.
Example 1:
Input: S = "abc def"
Output: 2
Explanation: There is a space at 4th
position which works as a seperator
between "abc" and "def"
Example 2:
Input: S = "a\nyo\n"
Output: 2
Explanation: There are two words "a"
and "yo" which are seperated by "\n".
Your Task:
You don't need to read input or print anything. Your task is to complete the function countWords() which accepts a string as input and returns number of words present in it.
Expected Time Complexity: O(N) Expected Auxiliary Space: O(1)
where N is length of given String.
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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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