1 class Solution { 2 public: 3 int lengthOfLastWord(const char *s) { 4 // Start typing your C/C++ solution below 5 // DO NOT write int main() function 6 const char *p,*q; 7 p=s; 8 q=p+strlen(p)-1; 9 10 while(p<q) 11 { 12 if(*q==' ') 13 q--; 14 else 15 break; 16 } 17 18 int i=0; 19 while(*q!=' '&&p<=q) 20 { 21 q--; 22 i++; 23 } 24 return i; 25 } 26 };