Submission #696470

#	Time	Username	Problem	Language	Result	Execution time	Memory
696470		pls33	Parrots (IOI11_parrots)	C++17	81 / 100	9 ms	1228 KiB

encoder

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

//??????????????????????????
#ifndef _AAAAAAAAA
#include "encoder.h"
#include "encoderlib.h"
#else
void decode(int N, int L, int X[]);
void encode(int N, int M[]);
void output(int b);
void send(int a);
#endif
#pragma region dalykai
using p32 = pair<int, int>;
using p32u = pair<uint32_t, uint32_t>;
using p64 = pair<int64_t, int64_t>;
using p64u = pair<uint64_t, uint64_t>;
using vi16 = vector<int16_t>;
using vi16u = vector<uint16_t>;
using vi32 = vector<int>;
using vi32u = vector<uint32_t>;
using vi64 = vector<int64_t>;
using vi64u = vector<uint64_t>;
using vp32 = vector<p32>;
using vp32u = vector<p32u>;
using vp64 = vector<p64>;
using vp64u = vector<p64u>;
using vvi32 = vector<vi32>;
using vvi32u = vector<vi32u>;
using vvi64 = vector<vi64>;
using vvi64u = vector<vi64u>;
using vvp32 = vector<vp32>;
using vvp32u = vector<vp32u>;
using vvp64 = vector<vp64>;
using vvp64u = vector<vp64u>;
#pragma endregion
using _bit = bitset<256>;

// miau
// const _bit noise("0010110000110010111110010001001011111110010001111110000001100101000100000010010001010110101100011000001101110110001000000001011101101111000111010000100100000000111101110111010100011011010101011011111011000111111000000101000011011011100011010001000101000010");

void encode(int N, int M[])
{
    _bit a, b;

    int set_count = 0;
    _bit *c = &a;
    for (int i = 0; i < N; i++)
    {
        if (set_count == 256)
        {
            c = &b;
            set_count = 0;
        }

        *c |= M[i];

        set_count += 8;
        if (set_count < min(256, 8 * N))
        {
            *c <<= 8;
        }
    }

    // for (int i = 0; i < min(256, 8 * N); i++)
    // {
    //     a[i] = a[i] ^ noise[i];
    // }
    // for (int i = 0; i < 8 * N - 256; i++)
    // {
    //     b[i] = b[i] ^ noise[i];
    // }

    for (int i = 0; i < 256; i++)
    {
        int count = a[i] | (b[i] << 1);

        for (int j = 0; j < count; j++)
        {
            send(i);
        }
    }
}

decoder

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

//??????????????????????????
#ifndef _AAAAAAAAA
#include "decoder.h"
#include "decoderlib.h"
#else
void decode(int N, int L, int X[]);
void encode(int N, int M[]);
void output(int b);
void send(int a);
#endif
#pragma region dalykai
using p32 = pair<int, int>;
using p32u = pair<uint32_t, uint32_t>;
using p64 = pair<int64_t, int64_t>;
using p64u = pair<uint64_t, uint64_t>;
using vi16 = vector<int16_t>;
using vi16u = vector<uint16_t>;
using vi32 = vector<int>;
using vi32u = vector<uint32_t>;
using vi64 = vector<int64_t>;
using vi64u = vector<uint64_t>;
using vp32 = vector<p32>;
using vp32u = vector<p32u>;
using vp64 = vector<p64>;
using vp64u = vector<p64u>;
using vvi32 = vector<vi32>;
using vvi32u = vector<vi32u>;
using vvi64 = vector<vi64>;
using vvi64u = vector<vi64u>;
using vvp32 = vector<vp32>;
using vvp32u = vector<vp32u>;
using vvp64 = vector<vp64>;
using vvp64u = vector<vp64u>;
#pragma endregion
using _bit = bitset<256>;

// uaim
// const _bit noise("0010110000110010111110010001001011111110010001111110000001100101000100000010010001010110101100011000001101110110001000000001011101101111000111010000100100000000111101110111010100011011010101011011111011000111111000000101000011011011100011010001000101000010");

void decode(int N, int L, int X[])
{
    bitset<512> a;
    vi16 count(256);

    for (int i = 0; i < L; i++)
    {
        count[X[i]]++;
    }

    for (int i = 0; i < 256; i++)
    {
        a[i] = bool(count[i] & 1) /*^ noise[i]*/;
        a[i + 256] = bool(count[i] & 2) /*^ noise[i]*/;
    }

    vi32 things_a;
    for (int i = 0; i < N; i++)
    {
        int val = 0;
        for (int j = 0; j < 8; j++)
        {
            val |= a[j] << j;
        }
        things_a.push_back(val);
        a >>= 8;
    }

    for (int i = (int)things_a.size() - 1; i >= 0; i--)
    {
        output(things_a[i]);
    }
}

Compilation message (stderr)

encoder.cpp:14: warning: ignoring '#pragma region dalykai' [-Wunknown-pragmas]
   14 | #pragma region dalykai
      | 
encoder.cpp:37: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
   37 | #pragma endregion
      | 

decoder.cpp:14: warning: ignoring '#pragma region dalykai' [-Wunknown-pragmas]
   14 | #pragma region dalykai
      | 
decoder.cpp:37: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
   37 | #pragma endregion
      |

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