Submission #853840

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
853840	2023-09-25T10:04:37 Z	danikoynov	Ancient Machine (JOI21_ancient_machine)	C++17	77 / 100	57 ms	18444 KB

Anna

#include "Anna.h"
#include <vector>
#include <bits/stdc++.h>



const int maxbit = 20;

int to[(1 << maxbit)], rev[(1 << maxbit)];
void create_matching()
{
    int cnt = 0;
    for (int mask = 0; mask < (1 << maxbit); mask ++)
    {
        bool tf = true;
        for (int bit = 1; bit < maxbit; bit ++)
        {
            if ((mask & (1 << bit)) > 0 && (mask & (1 << (bit - 1))) > 0)
            {
                tf = false;
                break;
            }
        }

        if (!tf)
            continue;
        to[mask] = cnt;
        rev[cnt] = mask;
        cnt ++;
    }
}

const int tobit = 17;


std::vector < int > go_to_fibonacci(std::vector < int > seq)
{

    std::vector < int > res;
    int last = 0;
    for (int i = 0; i < seq.size(); i ++)
    {
        last = last + seq[i] * (1 << (i % maxbit));
        if ((i % maxbit) == maxbit - 1)
        {
            int x = to[last];
            for (int bit = 0; bit < tobit; bit ++)
            {
                if ((x & (1 << bit)) > 0)
                    res.push_back(1);
                else
                    res.push_back(0);
            }
            last = 0;
        }
    }
    if (seq.size() % maxbit != 0)
    {

                int x = to[last];
            for (int bit = 0; bit < tobit; bit ++)
            {
                if ((x & (1 << bit)) > 0)
                    res.push_back(1);
                else
                    res.push_back(0);
            }

            }
            return res;

}




void Anna(int N, std::vector<char> S)
{
    create_matching();
    std::vector < int > seq;
    for (int i = 0; i < N; i ++)
    {
        if (S[i] == 'Z' && (i == N - 1 || S[i + 1] != 'Z'))
            seq.push_back(1);
        else
            seq.push_back(0);
    }

    seq = go_to_fibonacci(seq);
    ///std::cout << seq.size() << std::endl;
    for (int i = 0; i < seq.size(); i ++)
        Send(seq[i]);
        ///std:: cout << "size " << seq.size() << std::endl;
    int pt = 0;
    while(pt < N && S[pt] != 'X')
        pt ++;
    for (int bit = 0; bit < 20; bit ++)
    {
        if ((pt & (1 << bit)) > 0)
            Send(1);
        else
            Send(0);
    }

}

Bruno

#include "Bruno.h"
#include <vector>
#include <iostream>
#include <bits/stdc++.h>
namespace
{
const int maxn = 1e5 + 10;
int variable_example = 0;

int FunctionExample(int P)
{
    return 1 - P;
}
char c[maxn];
}  // namespace

void sub_solve()
{

}

const int MAXBIT = 20;

int TO[(1 << MAXBIT)], REV[(1 << MAXBIT)];
void build_matching()
{
    int cnt = 0;
    for (int mask = 0; mask < (1 << MAXBIT); mask ++)
    {
        bool tf = true;
        for (int bit = 1; bit < MAXBIT; bit ++)
        {
            if ((mask & (1 << bit)) > 0 && (mask & (1 << (bit - 1))) > 0)
            {
                tf = false;
                break;
            }
        }

        if (!tf)
            continue;
        TO[mask] = cnt;
        REV[cnt] = mask;
        cnt ++;
    }
}

const int TOBIT = 17;

std::vector < int > go_to_binary(std::vector < int > seq)
{
    build_matching();
        std::vector < int > res;
    int last = 0;
    for (int i = 0; i < seq.size(); i ++)
    {
        last = last + seq[i] * (1 << (i % TOBIT));
        if ((i % TOBIT) == TOBIT - 1)
        {
            int x = REV[last];
            for (int bit = 0; bit < MAXBIT; bit ++)
            {
                if ((x & (1 << bit)) > 0)
                    res.push_back(1);
                else
                    res.push_back(0);
            }
            last = 0;
        }
    }
                int x = REV[last];
            for (int bit = 0; bit < MAXBIT; bit ++)
            {
                if ((x & (1 << bit)) > 0)
                    res.push_back(1);
                else
                    res.push_back(0);
            }
            return res;
}
void Bruno(int N, int L, std::vector<int> A)
{
    int main_lenght = N / MAXBIT;
    if (N % MAXBIT != 0)
        main_lenght ++;
    main_lenght *= TOBIT;
    ///std::cout << main_lenght << std::endl;
    int pt = 0;
    assert(A.size() == main_lenght + 20);
    for (int bit = 0; bit < 20; bit ++)
    {
        pt = pt + A[bit + main_lenght] * (1 << bit);
    }

    ///assert(pt >= 0 && pt <= N);

    for (int i = 0; i < pt; i ++)
        Remove(i);

        for (int i = 0; i < 20; i ++)
            A.pop_back();
        A = go_to_binary(A);

    assert(A.size() >= N);
    std::vector < int > zpos;
    for (int i = pt; i < N; i ++)
    {

        if (A[i] == 1)
            zpos.push_back(i);
    }


    int last = pt;
    for (int i = 0; i < zpos.size(); i ++)
    {
        for (int j = zpos[i] - 1; j > last; j --)
            Remove(j);
        Remove(zpos[i]);
        last = zpos[i];
    }

    for (int i = N - 1; i > last; i --)
        Remove(i);
    if (pt != N)
        Remove(pt);

    /**for (int i = 0; i < N; i ++)
        std::cout << c[i] << " ";
    std::cout << std::endl;*/
}

Compilation message

Anna.cpp: In function 'std::vector<int> go_to_fibonacci(std::vector<int>)':
Anna.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (int i = 0; i < seq.size(); i ++)
      |                     ~~^~~~~~~~~~~~
Anna.cpp: In function 'void Anna(int, std::vector<char>)':
Anna.cpp:91:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     for (int i = 0; i < seq.size(); i ++)
      |                     ~~^~~~~~~~~~~~

Bruno.cpp: In function 'std::vector<int> go_to_binary(std::vector<int>)':
Bruno.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for (int i = 0; i < seq.size(); i ++)
      |                     ~~^~~~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Bruno.cpp:4:
Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:89:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   89 |     assert(A.size() == main_lenght + 20);
      |            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~
Bruno.cpp:97:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   97 |     for (int i = 0; i < pt; i ++)
      |     ^~~
Bruno.cpp:100:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  100 |         for (int i = 0; i < 20; i ++)
      |         ^~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Bruno.cpp:4:
Bruno.cpp:104:21: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  104 |     assert(A.size() >= N);
      |            ~~~~~~~~~^~~~
Bruno.cpp:115:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |     for (int i = 0; i < zpos.size(); i ++)
      |                     ~~^~~~~~~~~~~~~
Bruno.cpp: At global scope:
Bruno.cpp:14:6: warning: '{anonymous}::c' defined but not used [-Wunused-variable]
   14 | char c[maxn];
      |      ^
Bruno.cpp:10:5: warning: 'int {anonymous}::FunctionExample(int)' defined but not used [-Wunused-function]
   10 | int FunctionExample(int P)
      |     ^~~~~~~~~~~~~~~
Bruno.cpp:8:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    8 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Subtask #1

5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	10 ms	9496 KB	Output is correct
2	Correct	10 ms	9484 KB	Output is correct
3	Correct	10 ms	9500 KB	Output is correct
4	Correct	10 ms	9496 KB	Output is correct
5	Correct	10 ms	9380 KB	Output is correct
6	Correct	10 ms	9500 KB	Output is correct
7	Correct	10 ms	9484 KB	Output is correct
8	Correct	10 ms	9480 KB	Output is correct
9	Correct	10 ms	9500 KB	Output is correct
10	Correct	12 ms	9468 KB	Output is correct
11	Correct	10 ms	9496 KB	Output is correct

Subtask #2

72.0 / 95.0

#	Verdict	Execution time	Memory	Grader output
1	Partially correct	49 ms	17208 KB	Partially correct
2	Partially correct	49 ms	17204 KB	Partially correct
3	Partially correct	49 ms	17184 KB	Partially correct
4	Partially correct	50 ms	17204 KB	Partially correct
5	Partially correct	49 ms	17184 KB	Partially correct
6	Partially correct	49 ms	17296 KB	Partially correct
7	Partially correct	51 ms	17212 KB	Partially correct
8	Partially correct	50 ms	17308 KB	Partially correct
9	Partially correct	50 ms	17220 KB	Partially correct
10	Partially correct	51 ms	17192 KB	Partially correct
11	Partially correct	50 ms	17196 KB	Partially correct
12	Partially correct	56 ms	17252 KB	Partially correct
13	Partially correct	54 ms	17184 KB	Partially correct
14	Partially correct	55 ms	17332 KB	Partially correct
15	Partially correct	52 ms	17496 KB	Partially correct
16	Partially correct	52 ms	17440 KB	Partially correct
17	Partially correct	54 ms	17192 KB	Partially correct
18	Partially correct	55 ms	18144 KB	Partially correct
19	Partially correct	54 ms	18060 KB	Partially correct
20	Partially correct	49 ms	17212 KB	Partially correct
21	Partially correct	53 ms	17836 KB	Partially correct
22	Partially correct	55 ms	17252 KB	Partially correct
23	Partially correct	49 ms	17216 KB	Partially correct
24	Partially correct	50 ms	17348 KB	Partially correct
25	Partially correct	54 ms	18112 KB	Partially correct
26	Partially correct	54 ms	17204 KB	Partially correct
27	Partially correct	54 ms	18124 KB	Partially correct
28	Partially correct	55 ms	17188 KB	Partially correct
29	Partially correct	57 ms	18068 KB	Partially correct
30	Partially correct	54 ms	18008 KB	Partially correct
31	Partially correct	55 ms	18444 KB	Partially correct
32	Partially correct	49 ms	17232 KB	Partially correct
33	Partially correct	50 ms	17196 KB	Partially correct