Submission #311738

#	Time	Username	Problem	Language	Result	Execution time	Memory
311738		zakaF	Combo (IOI18_combo)	C++14	10 / 100	83 ms	440 KiB

combo

#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <cstring>
#include "combo.h"
using namespace std;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;

#define pb push_back
#define mp make_pair
#define sz(x) (ll)x.size()
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define fi first
#define se second


string guess_sequence(int N)
{
		string ans;
		vector<string> have = {"A","B","X","Y"};
		for(int i = 0;i<4;i++)
			if(press(have[i]) == 1)
			{
				ans.pb(have[i][0]);
				have.erase(have.begin()+i);
				break;
			}
		for(int i = 1;i<N;i++)
		{
			
			for(int j = 0;j<3;j++)
				if(press(ans+have[j])>i)
				{
					ans.pb(have[j][0]);
					break;
				}
		}
		return ans;	
}

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