제출 #380626

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
380626		vishesh312	동굴 (IOI13_cave)	C++17	0 / 100	281 ms	492 KiB

cave

#include "cave.h"
#include "bits/stdc++.h"
using namespace std;
/*
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using ordered_set = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
*/

#define all(x) begin(x), end(x)
#define sz(x) (int)x.size()

using ll = long long;
const int mod = 1e9+7;

void exploreCave(int n) {
    int s[n], d[n];
    vector<bool> avl(n, true);
    for (int i = 0; i < n; ++i) {
        s[i] = 0;
        d[i] = -1;
    }
    for (int i = 0; i < n; ++i) {
        int x = tryCombination(s);
        bool zero = (x > i or x == -1);
        int str = 0;
        for (int jump = (n+1)/2; jump >= 1; jump++, jump /= 2) {
            auto temp = s;
            for (int j = str; j < str+jump; ++j) {
                if (avl[j]) {
                    temp[j] = !zero;
                }
            }
            x = tryCombination(temp);
            if (x > i or x == -1) {
                if (jump == 1) {
                    d[i] = str;
                    s[str] = !zero;
                    break;
                } else {
                    continue;
                }
            } else {
                str += jump;
            }
        }
    }
    answer(s, d);
}

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