제출 #76509

#제출 시각아이디문제언어결과실행 시간메모리
76509darthsidiousCombo (IOI18_combo)C++14
0 / 100
2 ms200 KiB
#include <iostream>
#include <string>
//A B X Y

using namespace std;

int press(string p);
// {
// 	string secret = "ABXYXXYY";
// 	int ans = 0;
// 	for(int i=0;i<secret.size();i++) {
// 		if(secret[i] == p[i])
// 			ans++;
// 		else
// 			break;
// 	}
// 	return ans;
// }

string guess_sequence(int N) {
	string chars = "ABXY";
	string c[3];
	int start_c = 3;
	for(int i=0;i<3;i++) {
		string tmp(1, chars[i]);
		int r = press(tmp);	
		if(r == 1) {
			start_c = i;
			break;
		}
	}

	for(int i=0;i<3;i++) {
		if(start_c <= i)
			c[i] = string(1, chars[i+1]);
		else
			c[i] = string(1, chars[i]);
	}
	// cout << (string)c << endl;	

	string ans(1, chars[start_c]);
	// cout << "Starting with " << ans << endl;
	for(int i=0;i<7996;i++) {

		int correct = ans.size();

		if(correct == N -1) {
			int r;
			for(int k=0;k<3;k++) {
				r = press(ans + c[k]);
				if(r == N)
					return ans + c[k];
			}
		}

		string test = ans + c[0] + ans + c[1] + c[0] + ans + c[1] + c[1] + ans + c[1] + c[2];
		int res = press(test);
		cout << "Result: " << res << " test: " << test << " correct: " << correct << endl;

		if(res == correct)
			ans += c[2];
		else if(res == correct + 1)
			ans += c[0];
		else if(res == correct + 2)
			ans += c[1];
		// cout << "testing " << test << endl;


		if((int)ans.size() == N)
			break;

		// if(i > N)
		// 	break;
		// while(true) { //construct test string
			// for(int j=0;j<3;j++) {
			// 	test += ans + c[j];
			// }
		// }

	}

	return ans;
}

// int main() {
// 	cout << guess_sequence(8) << endl;
// }

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