LeetCode:Length of Last Word

 1 class Solution{
 2 public:
 3      int lengthOfLastWord(const char *s){
 4          int count=0,last=0;
 5          while(*s)
 6          {
 7              if(*s++!=‘ ‘)
 8              {
 9                  count++;
10              }
11              else if(count>0)
12              {
13                  last=count;
14                  count=0;
15              }
16          }
17          return (count>0)?count:last;
18      }
19  };