[C++] 백준 12813번 - 이진수연산

어렵지는 않지만 채점하는데 시간이 너무 오래 걸렸던 문제

#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

char a[100001];
char b[100001];

int main() {

	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);

	cin >> a >> b;

	for (int i = 0; i < strlen(a); i++) {
		if (a[i] == '1' && b[i] == '1') cout << '1';
		else cout << '0';
	}
	cout << endl;

	for (int i = 0; i < strlen(a); i++) {
		if (a[i] == '1' || b[i] == '1') cout << '1';
		else cout << '0';
	}
	cout << endl;

	for (int i = 0; i < strlen(a); i++) {
		if (a[i] != b[i]) cout << '1';
		else cout << '0';
	}
	cout << endl;
	for (int i = 0; i < strlen(a); i++) {
		if (a[i] == '1') cout << '0';
		else cout << '1';
	}
	cout << endl;
	for (int i = 0; i < strlen(a); i++) {
		if (b[i] == '1') cout << '0';
		else cout << '1';
	}
	cout << endl;

	return 0;
}