[Boj]1919: 애너그램 만들기

1. problem : 

https://www.acmicpc.net/problem/1919

 

2. solution 1 :

#include <bits/stdc++.h>
using namespace std;

int main(void) {
	ios::sync_with_stdio(0);
	cin.tie(0);

	int a[26] = {};
	string str1, str2;
	cin >> str1 >> str2; 

	for (auto c : str1) a[c - 'a']++;
	for (auto c : str2) a[c - 'a']--;

	int ans = 0;
	for (int i : a) {
		ans += abs(i);
	}
	cout << ans;
}