int lengthOfLastWord(char * s){
  	int i = 0;
    int j = 0;
    int temp = 0;
    int len = 0;
   
   while(*s){
       if(' '==(*s)){
            if(temp > 0){
                len = temp;
            }
            temp = 0;
       }else {
           temp ++;
       }
       s++;
   }
   if(temp > 0){
        len = temp;
    }
    return len;
}

int lengthOfLastWord(char * s){
    int temp = 0;
    int size = 0;
    size = strlen(s);
    while(size){
        if((' ' == s[size-1])&&(temp > 0)){
            break;
        }
        if(' ' != s[size-1]){
            temp ++;
        }
        size--;
    }
    return temp;
}