大佬求调

#include<iostream>
#include<cstring>
#include<algorithm>
using namespace std;
int main(){
	string s;
	getline(cin, s);
	string a = "", max, min;
	for(int i=0; i<s.size(); i++){
		int maxlen = -1, minlen = 101;
		if(s[i] != ' ' && s[i] != ',' && s[i] != '.') a += s[i];
		else if(s[i] == ' ' || s[i] == ',' || s[i] == '.'){
			if(a.size() > maxlen) maxlen = a.size(), max = a;
			if(a.size() < minlen) minlen = a.size(), min = a;
			a = "";
		}
	}
	cout << max << min;
	return 0;
}