Untitled

class Solution {
public:
    int lengthOfLastWord(string s) {string y;int n=s.length();int j=0;
        reverse(s.begin(),s.end());
int i=0;    
while(s[i]==' ')
{
    i++;
}    
j=i+1;
while(s[j]!=' ')
{
    j++;
}
return j-i;
    }};