Submission #982351

#	Time	Username	Problem	Language	Result	Execution time	Memory
982351		batsukh2006	Combo (IOI18_combo)	C++17	0 / 100	1 ms	344 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
string guess_sequence(int N){
	string t="ABXY",ans="";
	for(int i=0; i<3; i++){
		string r="";
		r+=t[i];
		if(press(r)) ans+=t[i];
	}
	string s="";
	if(ans.size()==0) ans+=t[3];
	for(int i=0; i<4; i++){
		string r="";
		r+=t[i];
		if(r!=ans) s+=t[i];
	}
	for(int i=1; i<N; i++){
		string tmp="";
		tmp+=ans+s[0];
		tmp+=ans+s[1]+s[0];
		tmp+=ans+s[1]+s[1];
		tmp+=ans+s[1]+s[2];
		int find=press(tmp);
		if(find==0) ans+=s[2];
		else if(find==1) ans+=s[0];
		else ans+=s[1];
	}
	return ans;
}

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