Submission #885832

#	Time	Username	Problem	Language	Result	Execution time	Memory
885832		BBart888	Cave (IOI13_cave)	C++14	0 / 100	469 ms	536 KiB

cave

#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"
#include"cave.h"


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



const int MAXN = 5e3 + 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 N;


int arr[MAXN];
bool picked[MAXN];
int chose[MAXN];
int which_door[MAXN];
/*
int tryCombination(int S[])
{
	cout << "Your array sir:\n";
	for (int i = 0; i < N; i++)
		cout << S[i] << " ";
	cout << "\n";
	for (int i = 0; i < N; i++)
		cout << picked[i] << " ";
	cout << '\n';
	int dec;
	cin >> dec;
	return dec;
}


void answer(int S[], int D[]);

*/


void ustaw(int l,int r,int mode)
{
	r = min(r, N-1);
	for (int i = l; i <= r; i++)
		arr[i] = mode;
	for (int i = l; i <= r; i++)
		if (picked[i])
			arr[i] = chose[i];
}


void exploreCave(int n)
{
	
	N = n;
	for (int door = 0; door < n; door++)
	{
		ustaw(0, n - 1, 0);
		//cout << "TERAZ NIE!! BINSERCZ\n";
		int now = tryCombination(arr);
		int what = 0;
		if (now > door)
		{
			int opp = 1;
			for (int j = 7; j >= 0; j--)
			{
				ustaw(0, n - 1, opp);
				ustaw(0, what + (1 << j) - 1, 0);
				//cout << "TERAZ BINSERCZ\n";
				int ch = tryCombination(arr);
				if (ch <= door)
					what += (1 << j);
				ustaw(0, n - 1, 0);
			}
			chose[what] = 0;
		}
		else
		{
			ustaw(0, n - 1, 1);
			int opp = 0;
			for (int j = 7; j >= 0; j--)
			{
				ustaw(0, n - 1, opp);
				ustaw(0, what + (1 << j) - 1, 1);
				//cout << "TERAZ BINSERCZ\n";
				int ch = tryCombination(arr);
				if (ch <= door)
					what += (1 << j);
				ustaw(0, n - 1, 1);
			}
			chose[what] = 1;
		}

		which_door[what] = door;
		picked[what] = true;

	}

	//for (int i = 0; i < n; i++)
		//cout << which_door[i] << " ";
	//cout << "\n\n";
	ustaw(0, n - 1, 0);
	//for (int i = 0; i < n; i++)
		//cout << arr[i] << " ";
	//cout << "\n\n";
	answer(arr, which_door);

}



/*



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

	
	exploreCave(4);
	

















	return 0;
}




*/

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24