제출 #992845

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
992845		Essa2006	동굴 (IOI13_cave)	C++14	0 / 100	46 ms	348 KiB

cave

// C++ includes used for precompiling -*- C++ -*-

// Copyright (C) 2003-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file stdc++.h
 *  This is an implementation file for a precompiled header.
 */

// 17.4.1.2 Headers

// C
#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include<random>
#endif




#include "cave.h"
//#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define FF first
#define SS second
#define all(a) a.begin(), a.end()
#define mod (ll)(1000000007)

void exploreCave(int n) {
    int S[n], D[n];
    for (int i = 0; i < n; i++) {
        S[i] = 0;
    }

    vector<bool> Done(n);
    for (int i = 0; i < n; i++) {
        
        int l = 0, r = n - 1, res = 0;
        bool open = 0;
        if(tryCombination(S) != i) {
            open = 1;
        }
        while (l <= r) {
            int md = (l + r) / 2;
            for (int i = md; i <= r; i++) {
                if (!Done[i]) {
                    S[i] = !S[i];
                }
            }
            
            bool open2 = 0;
            if(tryCombination(S) != i) {
                open2 = 1;
            }

            for (int i = md; i <= r; i++) {
                if (!Done[i]) {
                    S[i] = !S[i];
                }
            }
            
            if (open == open2) {
                r = md - 1;
            }
            else {
                res = md, l = md + 1;
            }
        }
        
        Done[res] = 1;
        S[res] = open;
        D[res] = i;
    }
    
    answer(S, D);
}

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