Submission #881581

#	Time	Username	Problem	Language	Result	Execution time	Memory
881581		ThegeekKnight16	Broken Device (JOI17_broken_device)	C++17	45 / 100	31 ms	2644 KiB

Anna

#include <bits/stdc++.h>
#include "Annalib.h"
using namespace std;

void Anna( int N, long long X, int K, int P[] )
{
    vector<int> bom(N+3, 1); bom[N] = bom[N+1] = bom[N+2] = 0;
    for (int k = 0; k < K; k++) bom[P[k]] = 0;

    for (int i = 0; i < N; i++)
    {
        if (!bom[i] || !bom[i+1] || !bom[i+2] || !bom[i+3]) {Set(i, 0); continue;}
        Set(i, 1);
        Set(i+1, (X&1LL)); X >>= 1LL; ++i;
        Set(i+1, (X&1LL)); X >>= 1LL; ++i;
        Set(i+1, (X&1LL)); X >>= 1LL; ++i;
    }
}

Bruno

#include <bits/stdc++.h>
#include "Brunolib.h"
using namespace std;

long long Bruno( int N, int A[] )
{
    long long X = 0; long long k = 0;
    for (int i = 0; i < N-1; i++)
    {
        if (!A[i]) continue;
        X |= ((long long)A[i+1] << k++); ++i;
        X |= ((long long)A[i+1] << k++); ++i;
        X |= ((long long)A[i+1] << k++); ++i;
        // cerr << "i: " << i << ", X: " << X << '\n';
    }
    return X;
}

• Subtask 1: 45 / 100