Submission #447694

#	Time	Username	Problem	Language	Result	Execution time	Memory
447694		dxz05	Parrots (IOI11_parrots)	C++14	0 / 100	5 ms	1052 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>

using namespace std;

void encode(int N, int M[]){
    //assert(N == 8 && M[0] == 1 && M[1] == 0 && M[2] == 1 && M[3] == 0 && M[4] == 0 && M[5] == 1 && M[6] == 1 && M[7] == 0);
    for (int i = 0; i < N; i++){
        for (int j = 0; j < 8; j++){ /// ABBBBCCC
            int code = (M[i] & (1 << j)) > 0;
            code <<= 4;
            code |= i;
            code <<= 3;
            code |= j;

            send(code);
        }
    }

}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>

using namespace std;

int arr[128];

void decode(int N, int L, int X[]){
    for (int i = 0; i < L; i++){
        int x = X[i];
        int a = (x & 128) > 0;
        if (a == 0) continue;

        x &= 127;

        int ind = (x >> 3);
        x &= 7;

        arr[ind] |= 1 << x;
    }

    for (int i = 0; i < N; i++){
        output(arr[i]);
    }
}

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