Submission #923133

#	Time	Username	Problem	Language	Result	Execution time	Memory
923133		gawr_gura	Broken Device (JOI17_broken_device)	C++17	8 / 100	31 ms	2936 KiB

Anna

// Alice
#include <bits/stdc++.h>

#include "Annalib.h"
using namespace std;

void Anna(int N, long long X, int K, int P[]) {
        vector<int> wrong(N);
        for (int i = 0; i < K; i++) {
                wrong[P[i]] = 1;
                if (P[i] == 0) {
                        wrong[P[i] + 1] = 1;
                } else if (wrong[P[i] - 1]) {
                        continue;
                } else {
                        wrong[P[i] - 1] = 1;
                }
        }
        int last = -1;
        for (int i = 0; i < N; i++) {
                if (wrong[i]) {
                        if (i - last < 4) {
                                for (int j = last + 1; j < i; j++) wrong[j] = 1;
                        }
                }
        }
        vector<int> ans(N);
        for (int i = 0; i < N; i++) {
                if (wrong[i]) continue;
                if (X & 1) {
                        if (wrong[i + 1] || wrong[i + 2]) continue;
                        ans[i] = 1, ans[i + 1] = 0, ans[i + 2] = 1;
                        i++;
                } else {
                        if (wrong[i + 1]) continue;
                        ans[i] = 1, ans[i + 1] = 1;
                }
                X /= 2;
                if (X == 0) break;
        }
        for (int i = 0; i < N; i++) Set(i, ans[i]);
}

Bruno

// Bruno

#include <bits/stdc++.h>

#include "Brunolib.h"
using namespace std;

long long Bruno(int N, int A[]) {
        int64_t X = 0;
        vector<int> ans(N + 2);
        for (int i = 0; i < N; i++) ans[i] = A[i];
        int cnt = 0;
        for (int i = 0; i < N; i++) {
                if (ans[i] == 1) {
                        if (ans[i + 1] == 1) {
                                cnt++;
                        } else if (ans[i + 2] == 1) {
                                X += 1ll << cnt++;
                                i++;
                        } else {
                                continue;
                        }
                }
        }
        return X;
}

• Subtask 1: 8 / 100