Submission #552312

#	Time	Username	Problem	Language	Result	Execution time	Memory
552312		ctphong	Combo (IOI18_combo)	C++14	10 / 100	68 ms	480 KiB

combo

#include<bits/stdc++.h>
using namespace std;
#include "combo.h"
#define fto(i,a,b) for(int i = a; i <= b; ++i)
 
string guess_sequence(int n) {
	string s = "";
	string gt = "";
	if (press(s+"X") == 1) s = s + "X";
	else if (press(s+"Y") == 1) s = s + "Y";
	else if (press(s+"A") == 1) s = s + "A";
	else if (press(s+"B") == 1) s = s + "B";
	gt = s;
	fto (i, 2, n) {
		if (press(s+"X"+gt) == i) s = s + "X";
		else if (press(s+"Y"+gt) == i) s = s + "Y";
		else if (press(s+"A"+gt) == i) s = s + "A";
		else if (press(s+"B"+gt) == i) s = s + "B";
	}
	return s;
}

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