蓝桥杯 1536: [蓝桥杯][算法提高VIP]最长单词

#include<iostream>
#include<stdlib.h>
#include<stdio.h>
#include<vector> 
#include<string>
#include<math.h>
#include<algorithm>
#include<cstring>
using namespace std;


int main(){
	string s;
	int size = 0;
	string t;
	while (cin >> s) {
		if (s.size() > size) {
			t = s;
			size = s.size();
		}
	}
	cout << t;
	return 0;
}