题目传送门

#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll ma=-1;
string a[25];
int main(){
	ll n,i,x;
	scanf("%lld",&n);
	for(i=1;i<=n;i++){
		cin>>a[i];
		int l=a[i].size();
		if(l>ma){
			x=i;
			ma=l;
		}
	}
	cout<<x<<'\n'<<a[x];
	return 0;
}