oj.uz

Submission #747824

# Submission time Handle Problem Language Result Execution time Memory
747824 2023-05-24T20:42:38 Z finn__ Stray Cat (JOI20_stray) C++17
15 / 100
 45 ms 16216 KB 
#include "Anthony.h"
#include <bits/stdc++.h>
using namespace std;

constexpr bool pattern[6] = {0, 0, 1, 1, 0, 1};

vector<int> Mark(int n, int m, int a, int b, vector<int> u, vector<int> v)
{
    vector<vector<int>> g(n);
    for (size_t i = 0; i < m; ++i)
        g[u[i]].push_back(v[i]), g[v[i]].push_back(u[i]);

    queue<int> q;
    q.push(0);
    vector<int> d(n, -1), pattern_index(n, -1);
    vector<bool> color(n, 0);
    d[0] = pattern_index[0] = 0;
    while (!q.empty())
    {
        int const x = q.front();
        q.pop();

        for (auto const &y : g[x])
            if (d[y] == -1)
            {
                d[y] = d[x] + 1;
                q.push(y);

                if (g[y].size() <= 2)
                {
                    pattern_index[y] = (pattern_index[x] + 1) % 6;
                    color[y] = color[x];
                }
                else
                {
                    pattern_index[y] = 0;
                    color[y] = !color[x];
                }
            }
    }

    vector<int> ans(m);
    if (a >= 3)
    {
        for (size_t i = 0; i < m; ++i)
            ans[i] = min(d[u[i]], d[v[i]]) % 3;
    }
    else
    {
        for (size_t i = 0; i < m; ++i)
        {
            if (d[u[i]] > d[v[i]])
                swap(u[i], v[i]);
            ans[i] = pattern[pattern_index[u[i]]] ^ color[u[i]];
        }
    }

    return ans;
}

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

bool is_tree, initialized;
vector<int> colors;

constexpr bool pattern[6] = {0, 0, 1, 1, 0, 1};

void Init(int a, int b)
{
    colors.clear();
    is_tree = a == 2;
    initialized = 0;
}

int Move(vector<int> y)
{
    if (!is_tree)
    {
        if (!colors.empty())
            y[colors.back()]++;

        if ((bool)y[0] + (bool)y[1] + (bool)y[2] == 1)
        {
            if (y[0])
            {
                colors.push_back(0);
                return 0;
            }
            else if (y[1])
            {
                colors.push_back(1);
                return 1;
            }
            else
            {
                colors.push_back(2);
                return 2;
            }
        }

        if (!y[0])
        {
            colors.push_back(1);
            return 1;
        }
        else if (!y[1])
        {
            colors.push_back(2);
            return 2;
        }
        else
        {
            colors.push_back(0);
            return 0;
        }
    }
    else
    {
        if (colors.empty() && y[0] + y[1] >= 3)
        {
            initialized = 1;
            if (y[0] == 1)
            {
                colors.push_back(0);
                return 0;
            }
            else
            {
                colors.push_back(1);
                return 1;
            }
        }
        if (!initialized)
        {
            if (y[0] + y[1] == 1)
            {
                initialized = 1;
                colors.push_back(y[1]);
                return y[1];
            }
            if (!colors.empty() && y[0] + y[1] >= 2)
            {
                initialized = 1;
                if (!y[colors.back()])
                    return -1;
                else
                    return !colors.back();
            }
            else
            {
                if (!(y[0] + y[1]))
                {
                    initialized = 1;
                    return -1;
                }
                if (colors.size() == 4)
                {
                    initialized = 1;
                    for (size_t i = 0; i < 6; ++i) /*  pattern */
                    {
                        bool correct = 1;
                        for (size_t j = 0; j < 4; ++j)
                            correct &= colors[j] == pattern[(i + j) % 6];
                        if (correct)
                            return -1;
                    }
                    for (size_t i = 0; i < 6; ++i) /* inverted pattern */
                    {
                        bool correct = 1;
                        for (size_t j = 0; j < 4; ++j)
                            correct &= colors[j] == !pattern[(i + j) % 6];
                        if (correct)
                            return -1;
                    }
                    return !colors.back();
                }
                if (colors.empty())
                {
                    if (y[0] == 2)
                        colors.push_back(0);
                    else
                        colors.push_back(1);
                }
                if (y[0])
                {
                    colors.push_back(0);
                    return 0;
                }
                else
                {
                    colors.push_back(1);
                    return 1;
                }
            }
        }
        else
        {
            if (y[0] + y[1] >= 2)
            {
                colors.push_back(!colors.back());
                return colors.back();
            }
            colors.push_back(y[1]);
            return y[1];
        }
    }
}

Compilation message

Anthony.cpp: In function 'std::vector<int> Mark(int, int, int, int, std::vector<int>, std::vector<int>)':
Anthony.cpp:10:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |     for (size_t i = 0; i < m; ++i)
      |                        ~~^~~
Anthony.cpp:45:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   45 |         for (size_t i = 0; i < m; ++i)
      |                            ~~^~~
Anthony.cpp:50:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |         for (size_t i = 0; i < m; ++i)
      |                            ~~^~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 15080 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 28 ms 14492 KB Output is correct
4 Correct 45 ms 16216 KB Output is correct
5 Correct 44 ms 16176 KB Output is correct
6 Correct 35 ms 14832 KB Output is correct
7 Correct 35 ms 14828 KB Output is correct
8 Correct 40 ms 15536 KB Output is correct
9 Correct 40 ms 15660 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 15080 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 28 ms 14492 KB Output is correct
4 Correct 45 ms 16216 KB Output is correct
5 Correct 44 ms 16176 KB Output is correct
6 Correct 35 ms 14832 KB Output is correct
7 Correct 35 ms 14828 KB Output is correct
8 Correct 40 ms 15536 KB Output is correct
9 Correct 40 ms 15660 KB Output is correct
10 Correct 32 ms 12900 KB Output is correct
11 Correct 32 ms 12928 KB Output is correct
12 Correct 32 ms 12836 KB Output is correct
13 Correct 36 ms 12820 KB Output is correct
14 Correct 33 ms 13176 KB Output is correct
15 Correct 37 ms 13456 KB Output is correct
16 Correct 40 ms 15800 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 12592 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12204 KB Output is correct
4 Correct 41 ms 14000 KB Output is correct
5 Correct 43 ms 14032 KB Output is correct
6 Correct 33 ms 12668 KB Output is correct
7 Correct 33 ms 12620 KB Output is correct
8 Correct 37 ms 13300 KB Output is correct
9 Correct 38 ms 13328 KB Output is correct
10 Correct 36 ms 13044 KB Output is correct
11 Correct 36 ms 13020 KB Output is correct
12 Correct 36 ms 13172 KB Output is correct
13 Correct 38 ms 13268 KB Output is correct
14 Correct 41 ms 13388 KB Output is correct
15 Correct 38 ms 13408 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 12592 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12204 KB Output is correct
4 Correct 41 ms 14000 KB Output is correct
5 Correct 43 ms 14032 KB Output is correct
6 Correct 33 ms 12668 KB Output is correct
7 Correct 33 ms 12620 KB Output is correct
8 Correct 37 ms 13300 KB Output is correct
9 Correct 38 ms 13328 KB Output is correct
10 Correct 36 ms 13044 KB Output is correct
11 Correct 36 ms 13020 KB Output is correct
12 Correct 36 ms 13172 KB Output is correct
13 Correct 38 ms 13268 KB Output is correct
14 Correct 41 ms 13388 KB Output is correct
15 Correct 38 ms 13408 KB Output is correct
16 Correct 27 ms 11056 KB Output is correct
17 Correct 28 ms 11092 KB Output is correct
18 Correct 30 ms 10976 KB Output is correct
19 Correct 32 ms 10960 KB Output is correct
20 Correct 35 ms 11604 KB Output is correct
21 Correct 34 ms 11272 KB Output is correct
22 Correct 38 ms 13540 KB Output is correct
23 Correct 31 ms 11036 KB Output is correct
24 Correct 31 ms 11116 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 904 KB Output is correct
2 Incorrect 0 ms 512 KB Wrong Answer [5]
3 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 10748 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 10684 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -