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
Constraints:
-
0 <= s.length <= 300
-
s
consists of lowercase and uppercase English letters, digits, or one of the following characters"!@#$%^&*()_+-=',.:"
. - The only space character in
s
is' '
.
SOLUTION:
class Solution:
def countSegments(self, s: str) -> int:
prev = None
ctr = 0
for c in s:
if (prev == None or prev == " ") and c != " ":
ctr += 1
prev = c
return ctr
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