Submission #712521

#	Time	Username	Problem	Language	Result	Execution time	Memory
712521		lmqzzz	Parrots (IOI11_parrots)	C++14	81 / 100	3 ms	1068 KiB

encoder

#include "encoder.h"

#include "encoderlib.h"

void encode(int N, int M[]) {
        for (int i = 0; i < N; i++) {
                for (int j = 0; j < 8; j++) {
                        if (M[i] >> j & 1) send(i * 8 + j);
                }
        }
}

decoder

#include "decoder.h"

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

#include "decoderlib.h"

void decode(int N, int L, int X[]) {
        vector<int> ans(N * 8, 0);
        for (int i = 0; i < L; i++) {
                ans[X[i]] = 1;
        }
        for (int i = 0; i < N; i++) {
                int num = 0;
                for (int j = i * 8 + 7; j >= i * 8; j--) {
                        num = num * 2 + ans[j];
                }
                output(num);
        }
}

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