Submission #885805

#	Time	Username	Problem	Language	Result	Execution time	Memory
885805		BBart888	Combo (IOI18_combo)	C++14	5 / 100	1 ms	344 KiB

combo

#include <cstdio>
#include <iostream>
#include <vector>
#include <list>
#include <string>
#include <set>
#include <map>
#include <algorithm>
#include <fstream>
#include <cmath>
#include <queue>
#include <stack>
#include <cassert>
#include <cstring>
#include <climits>
#include <functional>
#include<cstdlib>
//#include "arc.h"



using namespace std;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef long long LL;



const int MAXN = 8e3 + 11;
using ll = long long;
typedef vector<int> lnum;
const int base = 1e9;
const ll mod1 = 1e9 + 7;
const ll mod2 = 1000000021;
const ll P = 31;



/*
void setIO(string name = "") {
	cin.tie(0)->sync_with_stdio(0); // see /general/fast-io
	if ((name.size())) {
		freopen((name + ".in").c_str(), "r", stdin); // see /general/input-output
		freopen((name + ".out").c_str(), "w", stdout);
	}
}
*/


int press(string p);



string rota[4]{ "A","B","X","Y" };


string guess_sequence(int N)
{
	string start = "";
	for (int i = 0; i < 4; i++)
	{
		int cnt = 0;
		for (int j = 0; j < 4; j++)
		{
			string test = "" + rota[j] + rota[i];
			if (press(test) == 1)
				cnt++;
		}

		if (cnt == 4)
			start = rota[i];
	}
	int now = 1;
	for (int i = 1; i < N; i++)
	{
		for (int j = 0; j < 4; j++)
		{
			if (rota[j] == start)
				continue;
			string test = start + rota[j];
			if (press(test) == now + 1)
			{
				start += rota[j];
				now++;
				break;
			}
		}
	}


	return start;
}

/*
int main()
{
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(false);
	//setIO("time");

	

	

















	return 0;
}

*/

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95