Submission #252306

#	Time	Username	Problem	Language	Result	Execution time	Memory
252306		paradox	Cave (IOI13_cave)	C++17	25 / 100	37 ms	384 KiB

cave

#include "cave.h"

#include <iostream>
#include <fstream>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
using namespace std;
 
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define pii pair<int, int>
#define vi vector<int>
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
 
typedef long long ll;
typedef short inth;
 
const int N = 1;
const int M = N + 7;
const int MOD = 1e9 + 7;
const ll INF = 1e16 + 17;

void solveSub1(int n, int sw[], int doors[]) {
    for (int i = 0; i < n; ++i) {
        int res = tryCombination(sw);
        if (res == i)
            sw[i] ^= 1;
    }
    for (int i = 0; i < n; ++i)
        doors[i] = i;
}

void solveSub2(int n, int sw[], int doors[]) {
    for (int i = 0; i < n; ++i) {
        sw[i] = 1;
        int res = tryCombination(sw);
        doors[i] = res;
        sw[i] = 0;
    }
}

void exploreCave(int n) {
    int sw[n], doors[n];
    for (int i = 0; i < n; ++i)
        sw[i] = doors[i] = 0;
    int res = tryCombination(sw);
    if (res == -1)
        solveSub2(n, sw, doors);
    else
        solveSub1(n, sw, doors);
    answer(sw, doors);
}

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