Submission #900250

#	Time	Username	Problem	Language	Result	Execution time	Memory
900250		boyliguanhan	Parrots (IOI11_parrots)	C++17	24 / 100	7 ms	1396 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 < 4; j++)
            for(int k = 0; k < (M[i]>>j*2&3); k++)
                send(i*4+j);
}

decoder

#include "decoder.h"
#include "decoderlib.h"
void decode(int N, int L, int X[]) {
    int res[N]{};
    for(int i = 0; i < L; i++)
        res[X[i]>>2] += 1 << (X[i]&3)*2;
    for(auto i: res) output(i);
}

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 18
• Subtask 4: 0 / 29
• Subtask 5: 7 / 19