标签:style ar color sp for on bs ef amp
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
.
解题思路:
遍历字符串,设置整形变量n,记录当前遍历到的无空格子串的长度,如果子串后遇到空格,且空格后再次遇到新的子串,则更新n,否则返回n;
附录:
C语言中的char* char const char 和C++ string的关系
【Leetcode】【Easy】Length of Last Word
标签:style ar color sp for on bs ef amp
原文地址:http://www.cnblogs.com/huxiao-tee/p/4147688.html