Submission #1084363

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084363		MahmytM	Combo (IOI18_combo)	C++17	30 / 100	19 ms	388 KiB

combo

#include<bits/stdc++.h>
#include "combo.h"
using namespace std;
#define ll long long
#define ff first
#define ss second
#define pb push_back
string guess_sequence(int N){
	string s="";
	for(int i=0;i<N;i++){
		s+='A';
	}
	int in=0;
	char a='B';
	while(in<N){
		in=press(s);
		for(int i=in;i<N;i++){
			s[i]=a;
		}
		if(a=='A') a='B';
		else if(a=='B') a='X';
		else if(a=='X') a='Y';
		else if(a=='Y') a='A';
		if(a==s[0]){
			if(a=='A') a='B';
			else if(a=='B') a='X';
			else if(a=='X') a='Y';
			else if(a=='Y') a='A';
		}
	}
	return s;
}

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95