Submission #136672

#	Time	Username	Problem	Language	Result	Execution time	Memory
136672		WongHokFong_cpp	Combo (IOI18_combo)	C++14	10 / 100	91 ms	440 KiB

combo

#include <iostream>
#include <cstdio>
#include "combo.h"
#include <string>
using namespace std;
string aaa[]={"","A","B","X","Y"};
int visited[5];
string guess_sequence(int N)
{
	string ans;
	for (int i=1;i<=N;i++)
	{
		for (int j=1;j<=4;j++)
		{
			if (visited[j]==0&&press(ans+aaa[j])==i) {if (i==1) visited[j]=1;ans+=aaa[j];break;}
		}
	}
	return ans;
}

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