백준 6996 c++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

void input_data(vector<pair<string, string>>& words)
{
	string A, B;
	int i, n;

	cin >> n;
	for (i = 0; i < n; i++)
	{
		cin >> A >> B;
		words.push_back({ A, B });
	}

	return;
}

void find_answer(vector<pair<string, string>>& words)
{
	int i;
	string A, B;

	for (i = 0; i < words.size(); i++)
	{
		A = words[i].first;
		B = words[i].second;
		sort(A.begin(), A.end());
		sort(B.begin(), B.end());
		if (A == B)
		{
			cout << words[i].first << " & " << words[i].second << " are anagrams.\n";
		}
		else
		{
			cout << words[i].first << " & " << words[i].second << " are NOT anagrams.\n";
		}
	}

	return;
}

int main(void)
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);

	vector<pair<string, string>> words;

	input_data(words);
	find_answer(words);

	return 0;
}