Submission #387420

#	Time	Username	Problem	Language	Result	Execution time	Memory
387420		Aldas25	Parrots (IOI11_parrots)	C++14	34 / 100	3 ms	1380 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>

using namespace std;

#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define pb push_back
#define f first
#define s second

void encode(int N, int M[])
{
    vector<pair<int, int>> toSend;

    int cnt = 0;
    FOR(i, 0, N-1) {
        int a = M[i] >> 4;
        int b = M[i] - (a<<4);
        toSend.pb({cnt++, a});
        toSend.pb({cnt++, b});
    }

    for (auto p : toSend) {
        send((p.f<<4) + p.s);
    }
    //for(i=0; i<N; i++)
      //  send(M[i]);
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>

using namespace std;

#define FOR(i, a, b) for (int i = (a); i <= (b); i++)
#define pb push_back
#define f first
#define s second

void decode(int N, int L, int X[])
{
    vector<pair<int, int>> seq;
    FOR(i, 0, L-1) {
        int a = X[i] >> 4;
        int b = X[i] - (a<<4);
        seq.pb({a,b});
    }

    sort(seq.begin(), seq.end());

    FOR(i, 0, N-1) {
        int a = seq[2*i].s;
        int b = seq[2*i+1].s;
        int rez = (a<<4) +b;
        output(rez);
    }
}

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