关于洛谷测评机

#include<bits/stdc++.h>
using namespace std;string key,s;int num,pos,i;char c;
int main()
{
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);cin >> key;
	for(int i(0);i^key.size();++i) if(key[i] < 'a') key[i] = key[i]-'A'+'a';
	while((c = getchar()) != EOF)
	{
		if((c^' ') && (c^'\n'))
		{
			if(c < 'a') c = c-'A'+'a';
			s += c;
		}
		else
		{
			if(key == s) ++num,pos = (num^1?pos:i);
			s = "",++i;
		}
	}
	if(key == s) ++num,pos = (num^1?pos:i);
	if(num) cout << num << " " << pos;
	else cout << -1;
}