字符串 Length of Last Word
2015-04-09 21:03
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思想：
只有字母、空格、'\0'三种类型的字符。
只有字母、空格、'\0'三种类型的字符。
class Solution {
public:
int lengthOfLastWord(const char *s) {
if(s == NULL) return 0;
int length = 0;
while(*s) {
if(*s++!=' ') {
length++;
}else if(*s && *s!=' ') {
length = 0;
}
}
return length;
}
};
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