Submission #1144633

#	Time	Username	Problem	Language	Result	Execution time	Memory
1144633		ibsha	Broken Device (JOI17_broken_device)	C++20	85 / 100	23 ms	1444 KiB

Anna

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


void Anna(int N, long long X, int K, int P[] ){
    set<ll> se;
    for (int i = 0; i < K; i++) se.insert(P[i]);

    for (int i = 0; i < N; i+=2){
        if (se.count(i) or (se.count(i+1)) or !X){
            Set(i,0);
            Set(i+1,0);
            continue;
        }


        if(X%3 == 0){
            Set(i,0);
            Set(i+1,1);
        }
        else if (X%3 == 1){
            Set(i,1);
            Set(i+1,0);
        }
        else if (X%3 == 2){
            Set(i,1);
            Set(i+1,1);
        }

        X /= 3;
    }
}

Bruno

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


long long Bruno( int N, int A[] ){
    ll ret=0;
    ll pw = 1;
    for (int i=0;i<N; i+=2){
        if (A[i] == A[i+1] and A[i] == 0) continue;

        if (A[i] == 0 and A[i+1] == 1);
        else if (A[i] == 1 and A[i+1] == 0) ret += pw;
        else ret += 2 * pw;

        pw *= 3;
    }
    return ret;
}

• Subtask 1: 85 / 100