Submission #705330

#	Time	Username	Problem	Language	Result	Execution time	Memory
705330		tht2005	Parrots (IOI11_parrots)	C++17	52 / 100	3 ms	1048 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"

void encode(int N, int M[])
{
    int cnt = 0;
    for(int i = 0; i < N; ++i) {
        for(int t = 6; t >= 0; t -= 2) {
            send((cnt << 2) | ((M[i] >> t) & 3));
            ++cnt;
        }
    }
}

decoder

#include "decoder.h"
#include "decoderlib.h"

#include <algorithm>

void decode(int N, int L, int X[])
{
    std::sort(X, X + L);
    for(int i = 0; i < L; i += 4) {
        int M = 0;
        for(int j = i; j < i + 4; ++j) {
            M = (M << 2) | (X[j] & 3);
        }
        output(M);
    }
}

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