Submission #1240102

#	Time	Username	Problem	Language	Result	Execution time	Memory
1240102		countless	Parrots (IOI11_parrots)	C++20	81 / 100	7 ms	840 KiB

encoder

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

typedef long long ll;
typedef long double ld;

#define sp <<" "<<
#define endl "\n"

void encode(int N, int M[]) {
    for (int i = 0; i < N; i++) {
        cerr << M[i] << endl;
    }

    unordered_set<int> one;
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < 8; j++) {
            if (M[i] & (1 << j)) {
                one.insert(i * 8 + j);
            }
        }
    }

    for (auto &x : one) {
        send(x);
    }
}

decoder

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

typedef long long ll;
typedef long double ld;

#define sp <<" "<<
#define endl "\n"

void decode(int N, int L, int X[]) {
    vector<int> M(N, 0);

    for (int i = 0; i < L; i++) {
        int pos = X[i] / 8, bit = X[i] % 8;
        M[pos] |= (1 << bit);
    }

    for (int i = 0; i < N; i++) {
        cerr << M[i] << endl;
    }

    for (auto &x : M) {
        output(x);
    }
}

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