58. Length of Last Word leetcode solution in c++
class Solution {
public:
int lengthOfLastWord(string s) {
int n=s.length();
bool flag=false;
int cnt=0;
for(int i=n-1;i>=0;i--)
{
if(s[i]>=65&&s[i]<=90||s[i]>=97&&s[i]<=122)
{
cnt++;
flag=true;
}else
{
if(flag)
{
break;
}
}
}
return cnt;
}
};