[LeetCode] 434. Number of Segments in a String

Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.

Please note that the string does not contain any non-printable characters.

Example:

Input: "Hello, my name is John"
Output: 5

// Runtime: 0ms
class Solution {
public:
int countSegments(string s) {
istringstream is(s);
int cnt = 0;

for (string word; is >> word; cnt++)
;

return cnt;
}
};