Submission #1316072

#TimeUsernameProblemLanguageResultExecution timeMemory
1316072ttamxCombo (IOI18_combo)C++20
5 / 100
0 ms400 KiB
#include "combo.h"
#include<bits/stdc++.h>

using namespace std;

string guess_sequence(int n){
	char st='Y';
	for(char c:"ABX"){
		string str="";str+=c;
		if(press(str)){
			st=c;
			break;
		}
	}
	string chars="";
	for(char c:"ABXY")if(c!=st)chars+=c;
	string ans="";
	ans.push_back(st);
	for(int i=1;i<=n-2;i++){
		string str="";
		str+=ans+chars[1];
		str+=ans+chars[2]+chars[0];
		str+=ans+chars[2]+chars[1];
		str+=ans+chars[2]+chars[2];
		ans+=chars[press(str)-i];
	}
	if(press(ans+chars[0])==n)ans+=chars[0];
	else if(press(ans+chars[1])==n)ans+=chars[1];
	else ans+=chars[2];
	return ans;
}
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