Submission #1168568

#	Time	Username	Problem	Language	Result	Execution time	Memory
1168568		8pete8	Parrots (IOI11_parrots)	C++20	52 / 100	3 ms	840 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include<iostream>
using namespace std;
void encode(int N, int M[])
{
  for(int i=0; i<N; i++){
    for(int j=0;j<8;j++)if(!(j%2)){
      int x=(i<<4LL)+((j/2)<<2LL)+(!!(M[i]&(1LL<<j)))+((!!(M[i]&(1LL<<(j+1))))<<(1LL));
      send(x);
    }
  }
}
/*
0 0 0 0
0 0 
0 0
*/

decoder

#include "decoder.h"
#include "decoderlib.h"
#include<iostream>
#include<vector>
using namespace std;
#define all(x) x.begin(),x.end()
#define pb push_back
void decode(int N, int L, int X[])
{
  vector<int>v;
  for(int i=0;i<L;i++)v.pb(X[i]);
  sort(all(v));
  vector<int>ans(N,0);
  for(int i=0;i<L;i++){
    ans[i/4]+=(((v[i]&1)+(v[i]&2))<<((i%4)*2LL));
  }
  for(int i=0;i<N;i++) output(ans[i]);
}

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 29
• Subtask 5: 0 / 19