class Solution {
public:
int lengthOfLastWord(string s) {
int count=0;
int i=s.size()-1;
while(s[i]!=' ')
{
i--;
count++;
}
return count;
}
};
因此还要再加个条件，当末尾为空时:
class Solution {
public:
int lengthOfLastWord(string s) {
int count=0;
int i=s.size()-1;
while(s[i]!=' ')
{
i--;
count++;
}
return count;
}
};
因此还要再加个条件，当末尾为空时:
