LeetCode - Number of Segments in a String(434)

marafo·2021년 6월 7일

String - Easy

You are given a string s, return the number of segments in the string.

A segment is defined to be a contiguous sequence of non-space characters.

Example 1:

Input: s = "Hello, my name is John"
Output: 5
Explanation: The five segments are ["Hello,", "my", "name", "is", "John"]

Example 2:

Input: s = "Hello"
Output: 1

Example 3:

Input: s = "love live! mu'sic forever"
Output: 4

Example 4:

Input: s = ""
Output: 0

Constraints:

0 <= s.length <= 300
s consists of lower-case and upper-case English letters, digits or one of the following characters "!@#$%^&*()_+-=',.:".
The only space character in s is ' '.


Runtime : 32 ms / Memory : 14.1 MB

class Solution:
    def countSegments(self, s: str) -> int:
        stringToList = s.split(' ')
        
        return len(stringToList) - stringToList.count('')
        
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