Submission #949157

#	Time	Username	Problem	Language	Result	Execution time	Memory
949157		SoSmolSten	Combo (IOI18_combo)	C++17	5 / 100	1 ms	344 KiB

combo

#include "combo.h"
using namespace std;
string c = "ABXY";
string guess_sequence(int N) {
	string res = "";
	int id = 0;
	if (press("AB") >= 1) id = press("A") != 1;
	else id = 2 + (press("X") < 1);
	res += c[id];
	swap(c[3], c[id]);
	for(int i = 1; i < N - 1; ++i){
		int v = press(res + c[0] + c[0] + res + c[0] + c[1] + res + c[0] + c[2] + res + c[1]);
		if(v == i + 2) {
			res += c[0];
		}else if(v == i + 1){
			res += c[1];
		}else res += c[2];
	}
	if(press(res + c[0]) == N) res += c[0];
	else if(press(res + c[1]) == N) res += c[1];
	else res += c[2];
	return res;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95