Submission #126530

#	Time	Username	Problem	Language	Result	Execution time	Memory
126530		briansu	Broken Device (JOI17_broken_device)	C++14	51 / 100	46 ms	3312 KiB

Anna

#include "Annalib.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for(int i = 0;i < n;i ++)

void Anna( int N, long long X, int K, int P[] ){
  vector<ll> v(N, 1);
  REP(i, K)v[P[i]] = 0;
  ll ct = 0;
  vector<ll> d(N, 0);
  REP(i, N)
  {
  	ll a = (X & 1) > 0;
  	ll b = (X & 2) > 0;
  	if(ct == 60 || i >= N - 2)d[i] = 0;
  	else if(v[i] && (!a || v[i + 1]) && (!b || v[i + 2]))d[i] = 1, d[i + 1] = a, d[i + 2] = b, i += 2, ct += 2, X >>= 2;
  	else d[i] = 0;
  }
  REP(i, N)Set(i, d[i]);
}

Bruno

#include "Brunolib.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for(int i = 0;i < n;i ++)

long long Bruno( int N, int A[] ){
  ll n = N;
  ll tt = 0, t = 1, fg = 0;
  REP(i, n)
  {
  	if(A[i])tt += t * A[i + 1] + (t * 2) * A[i + 2], t <<= 2, i += 2;
  }
  return tt;
}

Compilation message (stderr)

Bruno.cpp: In function 'long long int Bruno(int, int*)':
Bruno.cpp:9:21: warning: unused variable 'fg' [-Wunused-variable]
   ll tt = 0, t = 1, fg = 0;
                     ^~

• Subtask 1: 51 / 100