[Leetcode] Length of Last Word
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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
.
public class Solution { public int lengthOfLastWord(String s) { char lastchar=' '; int len=0; for(int i=0;i<s.length();i++) { if(s.charAt(i)!=' ') { if(lastchar==' '||i==0) { len=1; } else len++; lastchar=s.charAt(i); if(i==s.length()-1) return len; } else { lastchar=' '; } } return len; }}
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