[백준] 4597번 패리티

https://www.acmicpc.net/problem/4597

4597번: 패리티

#include <iostream>
#include <string>
using namespace std;

int main() {
	while (true) {
		string s;
		cin >> s;
		if (s == "#") {
			break;
		}
		int count = 0;
		for (int i = 0; i < s.size() - 1; i++) {
			if (s[i] == '1')
				count++;
		}
		if (s[s.size() - 1] == 'e') {
			if (count % 2 == 0) {
				s[s.size() - 1] = '0';
			}
			else {
				s[s.size() - 1] = '1';
			}
		}
		else {
			if (count % 2 == 0) {
				s[s.size() - 1] = '1';
			}
			else {
				s[s.size() - 1] = '0';
			}
		}
		cout << s << '\n';
	}
	return 0;
}