Submission #64139

#	Time	Username	Problem	Language	Result	Execution time	Memory
64139		zubec	Parrots (IOI11_parrots)	C++14	52 / 100	12 ms	2992 KiB

encoder

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


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

void encode(int N, int M[])
{
    int cur = 0;
    for (int i = 0; i < N; i++){
        int x = M[i];
        for (int j = 0; j < 4; j++){
            int curmask = cur | ( (x & 3) << 6);
            send(curmask);
            cur++;
            x >>= 2;
        }
    }
}

decoder

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

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

bool cmp(int fi, int se){
    return (fi & ((1<<6)-1)) < (se & ((1<<6)-1));
}

void decode(int N, int L, int X[]){
    sort(X, X+L, cmp);
    for (int i = 3; i < L; i += 4){
        int ans = (X[i-3]>>6) | ((X[i-2]>>6) << 2) | ((X[i-1]>>6) << 4) | ((X[i]>>6) << 6);
        output(ans);
    }
}

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