제출 #434393

#제출 시각아이디문제언어결과실행 시간메모리
434393bipartite_matchingCombo (IOI18_combo)C++14
100 / 100
44 ms664 KiB
#include <bits/stdc++.h>

#define forint(i, N) for (int i = 0; i < (N); i++)

using namespace std;

int press(string p);

string guess_sequence(int N) {
	string ans = "";

	vector<char> v;

	if (press("AB") >= 1) {
		if (press("A") == 1) {
			ans += 'A';
			v = {'B', 'X', 'Y'};
		}
		else {
			ans += 'B';
			v = {'A', 'X', 'Y'};
		}
	}
	else {
		if (press("X") == 1) {
			ans += 'X';
			v = {'A', 'B', 'Y'};
		}
		else {
			ans += 'Y';
			v = {'A', 'B', 'X'};
		}
	}

	/*if (press("A") == 1) {
		ans += 'A';
		v = {'B', 'X', 'Y'};
	}
	else if (press("B") == 1) {
		ans += 'B';
		v = {'A', 'X', 'Y'};
	}
	else if (press("X") == 1) {
		ans += 'X';
		v = {'A', 'B', 'Y'};
	}
	else {
		ans += 'Y';
		v = {'A', 'B', 'X'};
	}*/

	if (N == 1) {
		return ans;
	}

	//int pos = 1;

	for (int i = 1; i < N - 1; i++) {
		int tmp = press(ans + v[0] + ans + v[1] + v[0] + ans + v[1] + v[1] + ans + v[1] + v[2]);
		if (tmp == i + 1) {
			ans += v[0];
		}
		else if (tmp == i + 2) {
			ans += v[1];
		}
		else {
			ans += v[2];
		}
	}
	if (press(ans + v[0]) == N) {
		ans += v[0];
	}
	else if (press(ans + v[1]) == N) {
		ans += v[1];
	}
	else {
		ans += v[2];
	}
	return ans;
}

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