434. Number of Segments in a String.cpp

class Solution {
public:
    int countSegments(string s) {
    int c = 0; 
    for(int i = 0; i < s.length(); i++){
         if (s[i] != ' ' && (i == 0 || s[i-1] == ' ')) c++;
    }        
    return c;
    }
};