Leetcode# 58 Length of Last Word

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.

Difficulty : Easy

最近练车，偷懒做做简单题。

int lengthOfLastWord(string s) {    int len = s.length(),temp = 0;    if(len == 0)        return 0;    int i =0,cou=0;    while(s[i]){        if(s[i]!=' ')            cou++;        if(s[i]==' '&&i!=len-1)        {            if(cou!=0)              temp = cou;            cou = 0;        }        i++;    }        if(cou!=0)            return cou;        else            return temp;    }