Submission #570034

#	Time	Username	Problem	Language	Result	Execution time	Memory
570034		OrazB	Combo (IOI18_combo)	C++14	10 / 100	55 ms	452 KiB

combo

#include "combo.h"
#include <iostream>
using namespace std;

string guess_sequence(int N){
	string t = "ABXY", p = "";
	int idx = 0;
	for (int i = 0; i < 4; i++){
		p.clear(); p += t[i];
		if (press(p)){idx = i; break;}
	}
	string tt = "";
	for (int i = 0; i < 4; i++) if (idx != i) tt += t[i];
	for (int i = 1; i < N; i++){
		for (int j = 0; j < 3; j++){
			p += tt[j];
			if (press(p) == i + 1) break;
			p.pop_back();
		}
	}
	return p;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 95