Submission #698002

#	Time	Username	Problem	Language	Result	Execution time	Memory
698002		pls33	Parrots (IOI11_parrots)	C++17	98 / 100	8 ms	1500 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<512>;

// miau
const _bit noise("01101001111100100000110101110110100010000000001100100101011001111110010000010010110111011100000000101011011100100000011101110010011110010011001110010111010101100111001111111001011110001101001010110101011011011011011000000110000111100011000011011011111100111000110111101001111110011110010000100010001111100011110010101100100010001100111100111101010110001010110010010100110110000100011000100000101111011000001100101001000010100011100001101011100011111100101011011100001111010000010001010110001100110100011011010101");

void encode(int N, int M[])
{
    _bit a;
    for (int i = 0; i < N; i++)
    {
        a |= M[i];
        if (i < N - 1)
        {
            a <<= 8;
        }
    }

    for (int i = 0; i < min(512, 8 * N); i++)
    {
        a[i] = a[i] ^ noise[i];
    }

    for (int i = 0; i < 256; i++)
    {
        int count = a[i];
        count |= (int)a[i + 256] << 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<512>;

// uaim
const _bit noise("01101001111100100000110101110110100010000000001100100101011001111110010000010010110111011100000000101011011100100000011101110010011110010011001110010111010101100111001111111001011110001101001010110101011011011011011000000110000111100011000011011011111100111000110111101001111110011110010000100010001111100011110010101100100010001100111100111101010110001010110010010100110110000100011000100000101111011000001100101001000010100011100001101011100011111100101011011100001111010000010001010110001100110100011011010101");
void decode(int N, int L, int X[])
{
    _bit 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 + 256];
    }

    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: 17 / 19