oj.uz

Submission #747809

# Submission time Handle Problem Language Result Execution time Memory
747809 2023-05-24T19:35:22 Z finn__ Stray Cat (JOI20_stray) C++17
15 / 100
 52 ms 18900 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] >= 2)
            {
                initialized = 1;
                if (!y[colors.back()])
                    return -1;
                else
                    return !colors.back();
            }
            else
            {
                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(y[0]);
                    return 0;
                }
                else
                {
                    colors.push_back(y[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:44:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |         for (size_t i = 0; i < m; ++i)
      |                            ~~^~~
Anthony.cpp:49:30: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |         for (size_t i = 0; i < m; ++i)
      |                            ~~^~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 15080 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 31 ms 14308 KB Output is correct
4 Correct 52 ms 16268 KB Output is correct
5 Correct 44 ms 16232 KB Output is correct
6 Correct 36 ms 14760 KB Output is correct
7 Correct 36 ms 14904 KB Output is correct
8 Correct 44 ms 15528 KB Output is correct
9 Correct 43 ms 15624 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 15080 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 31 ms 14308 KB Output is correct
4 Correct 52 ms 16268 KB Output is correct
5 Correct 44 ms 16232 KB Output is correct
6 Correct 36 ms 14760 KB Output is correct
7 Correct 36 ms 14904 KB Output is correct
8 Correct 44 ms 15528 KB Output is correct
9 Correct 43 ms 15624 KB Output is correct
10 Correct 32 ms 12884 KB Output is correct
11 Correct 38 ms 12936 KB Output is correct
12 Correct 31 ms 12856 KB Output is correct
13 Correct 34 ms 12824 KB Output is correct
14 Correct 32 ms 13212 KB Output is correct
15 Correct 36 ms 13556 KB Output is correct
16 Correct 39 ms 15776 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 12592 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12272 KB Output is correct
4 Correct 41 ms 14060 KB Output is correct
5 Correct 45 ms 14088 KB Output is correct
6 Correct 33 ms 12672 KB Output is correct
7 Correct 34 ms 12668 KB Output is correct
8 Correct 42 ms 13280 KB Output is correct
9 Correct 46 ms 13288 KB Output is correct
10 Correct 36 ms 13164 KB Output is correct
11 Correct 36 ms 13164 KB Output is correct
12 Correct 40 ms 12968 KB Output is correct
13 Correct 38 ms 13088 KB Output is correct
14 Correct 40 ms 13324 KB Output is correct
15 Correct 38 ms 13332 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 12592 KB Output is correct
2 Correct 0 ms 516 KB Output is correct
3 Correct 28 ms 12272 KB Output is correct
4 Correct 41 ms 14060 KB Output is correct
5 Correct 45 ms 14088 KB Output is correct
6 Correct 33 ms 12672 KB Output is correct
7 Correct 34 ms 12668 KB Output is correct
8 Correct 42 ms 13280 KB Output is correct
9 Correct 46 ms 13288 KB Output is correct
10 Correct 36 ms 13164 KB Output is correct
11 Correct 36 ms 13164 KB Output is correct
12 Correct 40 ms 12968 KB Output is correct
13 Correct 38 ms 13088 KB Output is correct
14 Correct 40 ms 13324 KB Output is correct
15 Correct 38 ms 13332 KB Output is correct
16 Correct 31 ms 11100 KB Output is correct
17 Correct 30 ms 11056 KB Output is correct
18 Correct 31 ms 10968 KB Output is correct
19 Correct 33 ms 11024 KB Output is correct
20 Correct 38 ms 11612 KB Output is correct
21 Correct 34 ms 11388 KB Output is correct
22 Correct 37 ms 13468 KB Output is correct
23 Correct 31 ms 11124 KB Output is correct
24 Correct 32 ms 11124 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 1160 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 71.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 10656 KB Wrong Answer [5]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 34 ms 18900 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -