Submission #260529

#	Time	Username	Problem	Language	Result	Execution time	Memory
260529		sjimed	Broken Device (JOI17_broken_device)	C++14	0 / 100	49 ms	3584 KiB

Anna

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

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define em emplace
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define mp make_pair

void Anna( int N, long long X, int K, int P[] ){
  int chk[222] = {};
  for(int i=0; i<K; i++) {
    chk[P[i]] = 0;
  }
  
  for(int i=0, j=0; i<N; i+=3) {
    if(!chk[i] && !chk[i+1] && !chk[i+2]) {
      if(((X >> j) & 3LL) == 3) chk[i] = chk[i+1] = chk[i+2] = 1;
      if(((X >> j) & 3LL) == 2) chk[i] = 1, chk[i+1] = 0, chk[i+2] = 1;
      if(((X >> j) & 3LL) == 1) chk[i] = 0, chk[i+1] = 1, chk[i+2] = 0;
      if(((X >> j) & 3LL) == 0) chk[i] = 0, chk[i+1] = chk[i+2] = 1;
      j += 2;
    }
    else if(chk[i] + chk[i+1] + chk[i+2] == 1) {
      if(chk[i]) {
        if((X >> j) & 1LL) chk[i] = chk[i+1] = 0, chk[i+2] = 1;
        else if((X >> j+1) & 1LL)  chk[i] = 0, chk[i+1] = 1, chk[i+2] = 0, j++;
        else chk[i] = 0, chk[i+1] = chk[i+2] = 1, j++;

        j++;
      }
      else if(chk[i+1]) {
        if((X >> j) & 1LL) chk[i] = chk[i+1] = 0, chk[i+2] = 1;
        else chk[i] = 1, chk[i+1] = chk[i+2] = 0;

        j++;
      }
      else {
        if((X >> j) & 1LL) chk[i] = chk[i+1] = 1, chk[i+2] = 0;
        else chk[i] = 1, chk[i+1] = chk[i+2] = 0;

        j++;
      }
    }
    else chk[i] = chk[i+1] = chk[i+2] = 0;
  }

  for(int i=0; i<N; i++) Set(i, chk[i]);
}

Bruno

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

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define em emplace
#define eb emplace_back
#define all(v) (v).begin(), (v).end()
#define mp make_pair

typedef long long ll;

long long Bruno( int N, int A[] ){
  ll ans = 0;
  for(int i=0, j=0; i<N; i++) {
    int x = A[i]*4 + A[i+1]*2 + A[i+2];

    if(x == 7) ans |= 3LL << j, j+=2;
    else if(x == 5) ans |= 2LL << j, j+=2;
    else if(x == 2) ans |= 1LL << j, j+=2;
    else if(x == 3) j+=2;
    else if(x == 4) j++;
    else if(x == 1 || x == 6) ans |= 1LL << j, j++;
  }

  return ans;
}

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:30:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         else if((X >> j+1) & 1LL)  chk[i] = 0, chk[i+1] = 1, chk[i+2] = 0, j++;
                       ~^~

• Subtask 1: 0 / 100