Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last Word in the string.
If the last word does not exist, return 0.
Note: A word is defined as a character sequence consists of non-space characters only.
For example, Given s = "Hello World",return 5.程序代码：
int lengthOfLastWord(char* s) { int count = 0; int i=strlen(s)-1; while(s[i]==' ') i--; while(s[i]!=' '&&i>=0) { count++; i--; } return count;}新闻热点
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