Submission #1012360

#	Time	Username	Problem	Language	Result	Execution time	Memory
1012360		MahmytM	Combo (IOI18_combo)	C++17	10 / 100	52 ms	960 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 ans="";
	for(int i=1;i<=N;i++){
		int z=press(ans+'A');
		int k=ans.size();
		if(z==k+1){
			ans+='A';
			continue;
		}
		z=press(ans+'B');
		if(z==k+1){
			ans+='B';
			continue;
		}
		z=press(ans+'X');
		if(z==k+1){
			ans+='X';
			continue;
		}
		z=press(ans+'Y');
		if(z==k+1){
			ans+='Y';
			continue;
		}
	}
	return ans;
}

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