Submission #137251

#TimeUsernameProblemLanguageResultExecution timeMemory
137251AKaan37콤보 (IOI18_combo)C++17
0 / 100
2 ms200 KiB
#include <bits/stdc++.h>
#include "combo.h"
using namespace std;
#define pb push_back

std::string guess_sequence(int n) {
	char ilk;
	vector<char> v;
	string s;
	s+='A';
	s+='B';
	int para = press(s);
	if(para==1){
		s.clear();
		s+='A';
		para=press(s);
		if(para==1)ilk='A';
		else ilk='B';
	}
	else{
		s.clear();
		s+='X';
		para=press(s);
		if(para==1)ilk='X';
		else ilk='Y';
	}
	if(ilk!='X')v.pb('X');
	if(ilk!='Y')v.pb('Y');
	if(ilk!='A')v.pb('A');
	if(ilk!='B')v.pb('B');
	string S;
	S=ilk;
	for(int i=2;i<n;i++){
		s.clear();
		s=S;
		s+=v[0];
		s+=S;
		s+=v[1];
		s+=v[0];
		s+=S;
		s+=v[1];
		s+=v[1];
		s+=S;
		s+=v[1];
		s+=v[2];
		para=press(s);
		if(para==i-1)S+=v[2];
		else if(para==i)S+=v[0];
		else{
			S+=v[1];
		}
	}
	s.clear();
	s=S;
	s+=v[0];
	s+=S;
	s+=v[1];
	para=press(s);
	if(para==n){
		s.clear();
		s=S;
		s+=v[0];
		para=press(s);
		if(para==n){S+=v[0];}
		else S+=v[1];
	}
	else S+=v[2];
	return S;
}
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