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LeetCode: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.
1 class Solution{ 2 public: 3 int lengthOfLastWord(const char *s){ 4 int count=0,last=0; 5 while(*s) 6 { 7 if(*s++!=‘ ‘) 8 { 9 count++;10 }11 else if(count>0)12 {13 last=count;14 count=0;15 }16 }17 return (count>0)?count:last;18 }19 };
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