Submission #595858

#	Time	Username	Problem	Language	Result	Execution time	Memory
595858		proma	Parrots (IOI11_parrots)	C++17	34 / 100	2 ms	1040 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <iostream>

void encode(int N, int M[]) {
    for (int i = 0; i < N; i ++) {
        int x = M[i];
        int k = i;
        for (int j = 8; j < 12; j ++) {
            x += (k % 2) * (1 << j);
            k /= 2;
        }
//        std::cout << x << " ";
        send(x);
    }
//    std::cout << std::endl;
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <vector>
#include <algorithm>
#include <iostream>

void decode(int N, int L, int X[]) {
    std::vector <int> res(N);
    for (int i = 0; i < N; i ++) {
        int val = 0;
        for (int j = 0; j < 8; j ++) {
            val += (X[i] % 2) * (1 << j);
            X[i] /= 2;
        }
        int pos = 0;
        for (int j = 8; j < 12; j ++) {
            pos += (X[i] % 2) * (1 << (j - 8));
            X[i] /= 2;
        }
        res[pos] = val;
    }
    for (auto i: res) {
//        std::cout << i << " ";
        output(i);
    }// std::cout << std::endl;
}

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