Submission #1208370

#	Time	Username	Problem	Language	Result	Execution time	Memory
1208370		mychecksedad	Broken Device (JOI17_broken_device)	C++20	51 / 100	44 ms	1576 KiB

Anna

/* Author : Mychecksdead  */
#include<bits/stdc++.h>
#include "Annalib.h"
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;


void Anna( int n, long long X, int k, int p[] ){
  vector<bool> good(n, 1);
  for(int i = 0; i < k; ++i) good[p[i]] = 0;
  for(int i = 2; i < n; i += 3){
    if(good[i - 2] && good[i - 1] && good[i]){
      Set(i, 1);
    }else{
      Set(i, 0);
    }
  }

  for(int i = 0; i < n; i += 3){
    // we'll set i, i+1
    if(i + 1 == n){
      Set(i, 0);
      continue;
    }
    if(good[i] && good[i + 1] && good[i + 2]){
      Set(i, X % 2);
      X /= 2;
      Set(i + 1, X % 2);
      X /= 2;
    }else{
      Set(i, 0);
      Set(i + 1, 0);
    }
  }
}

Bruno

#include<bits/stdc++.h>
#include "Brunolib.h"
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;

long long Bruno( int n, int a[] ){
  ll ans = 0;
  vi v;
  for(int i = 2; i < n; i += 3){
    if(a[i]){
      v.pb(a[i - 2]);
      v.pb(a[i - 1]);
    }
  }
  reverse(all(v));
  for(int b: v){
    ans *= 2;
    ans += b;
  }

  return ans;
}

• Subtask 1: 51 / 100