Submission #447714

#	Time	Username	Problem	Language	Result	Execution time	Memory
447714		dxz05	Parrots (IOI11_parrots)	C++14	81 / 100	4 ms	1236 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 < N; i++){
        for (int j = 0; j < 8; j++){
            if (!(M[i] & (1 << j))) continue;
            int code = i << 3;
            code |= j;

            send(code);
        }
    }

}

decoder

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

using namespace std;

void decode(int N, int L, int X[]){
    int arr[128];
    fill(arr, arr + N, 0);

    for (int i = 0; i < L; i++){
        int x = X[i];
        int ind = (x >> 3);
        x &= 7;

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

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

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