Submission #1239931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1239931		SpyrosAliv	Broken Device (JOI17_broken_device)	C++20	0 / 100	0 ms	320 KiB

Anna

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

const int BITS = 61;

void Anna(int N, long long X, int K, int P[]){
    int n = N;
    ll x = X;
    int k = K;
    vector<bool> ok(n, true);
    for (int i = 0; i < k; i++) {
        ok[P[i]] = false;
    }
    int curr = 0;
    for (int i = 0; i < BITS; i++) {
        int send = ((x >> i) & 1);
        if (send == 1) {
            while (!ok[curr]) {
                assert(curr >= 0 && curr < n);
                Set(curr, 0);
                curr++;
            }
            assert(curr >= 0 && curr < n);
            Set(curr, 1);
            if (curr < n-1) {
                assert(curr + 1 >= 0 && curr + 1 < n);
                Set(curr+1, 0);
            }
            curr+=2;
            continue;
        }
        else {
            while (!ok[curr] || !ok[curr+1]) {
                assert(curr >= 0 && curr < n);
                Set(curr, 0);
                curr++;
            }
            assert(curr >= 0 && curr < n);
            Set(curr, 1);
            assert(curr + 1>= 0 && curr + 1< n);
            Set(curr+1, 1);
            curr += 2;
        }
    }
    while (curr < n) {
        assert(curr >= 0 && curr < n);
        Set(curr, 0);
        curr++;
    }
}

Bruno

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

const int BITS = 61;

long long Bruno(int N, int A[]){
    ll x = 0;
    vector<bool> sendOn(BITS, false);
    int n = N;
    int curr = 0;
    for (int i = 0; i < n-1; i++) {
        if (A[i] && A[i+1]) {
            sendOn[curr] = false;
            curr+=2;
        }
        else if (A[i]) {
            sendOn[curr] = true;
            curr++;
        }
    }
    for (int i = 0; i < BITS; i++) {
        if (sendOn[i]) {
            x |= (1LL << i);
        }
    }
    return x;
}

• Subtask 1: 0 / 100