Submission #1091930

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091930		BarbarBrick	Parrots (IOI11_parrots)	C++14	52 / 100	3 ms	1336 KiB

encoder

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

void encode(int N, int M[])
{
    for (int i = 0; i < 8 * N; i++)
    {
        int message = (i << 1) + !!(M[i / 8] & (1 << (i % 8)));
        send(message);
    }
}

decoder

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

void decode(int N, int L, int X[])
{
    vector<int> vec;
    int mask = (1 << 8) - 1;
    for (int i = 0; i < L; i++)
    {
        int b = X[i];
        vec.push_back(b);
    }
    sort(vec.begin(), vec.end());

    for (int i = 0; i < N; i++)
    {
        int sum = 0;
        for (int j = 0; j < 8; j++)
        {
            sum += (vec[i * 8 + j] & 1) << j;
        }
        output(sum);
    }
}

Compilation message (stderr)

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:9:9: warning: unused variable 'mask' [-Wunused-variable]
    9 |     int mask = (1 << 8) - 1;
      |         ^~~~

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