oj.uz

Submission #219486

# Submission time Handle Problem Language Result Execution time Memory
219486 2020-04-05T11:43:31 Z IgorI Mechanical Doll (IOI18_doll) C++17
100 / 100
 167 ms 15828 KB 
#include <doll.h>

#include <iostream>
#include <map>
#include <vector>
#include <algorithm>

using namespace std;

/*void answer(vector<int> c, vector<int> x, vector<int> y)
{
    cout << "final : " << c.size() << " " << x.size() << " " << y.size() << endl;
    for (int i = 0; i < c.size(); i++) cout << c[i] << "\n";
    for (int i = 0; i < x.size(); i++) cout << x[i] << " " << y[i] << "\n";
    exit(0);
}*/

const int INF = 1e9;
vector<int> c, x, y;

vector<int> bitreverse(int k)
{
    vector<int> c;
    for (int i = 0; i < (1 << k); i++)
    {
        int y = 0;
        for (int j = 0; j < k; j++)
        {
            y = 2 * y + (((1 << j) & i) > 0);
        }
        c.push_back(y);
    }
    return c;
}

void build(int f, vector<int> v)
{
    //cout << f << " -> ";
    //for (int i = 0; i < v.size(); i++) cout << v[i] << " ";
    //cout << endl;
    if (v.size() == 1)
    {
        c[f] = v[0];
        return;
    }
    vector<int> nx, ny;
    for (int i = 1; i < 20; i++)
    {
        if (v.size() <= (1 << i))
        {
            vector<int> tree = {f};
            while (tree.size() < (1 << i))
            {
                tree.push_back(-tree.size());
                nx.push_back(-INF);
                ny.push_back(-INF);
            }
            while (tree.size() < 2 * (1 << i))
            {
                tree.push_back(-INF);
            }
            vector<int> reach = bitreverse(i);
            vector<pair<int, int> > out;
            for (int j = 0; j < (1 << i); j++)
            {
                out.push_back({reach[j], (1 << i) + j});
            }
            sort(out.begin(), out.end());
            int free = (1 << i) - v.size();
            for (int j = (1 << i); j < (1 << i) + free; j++)
            {
                tree[j] = tree[1];
            }
            int k = 0;
            for (int j = 0; j < out.size(); j++)
            {
                if (tree[out[j].second] == -INF)
                {
                    tree[out[j].second] = v[k];
                    k++;
                }
            }
            //

            vector<int> skip(1 << i);
            for (int j = (1 << i) - 1; j >= 1; j--)
            {
                if (tree[2 * j] == tree[2 * j + 1])
                {
                    skip[-tree[j]] = 1;
                    tree[j] = tree[2 * j];
                }
            }

            vector<int> new_id(1 << i);
            int cc = -1;
            for (int j = 1; j < (1 << i); j++)
            {
                if (skip[j] == 1)
                    continue;
                else
                    new_id[j] = cc--;
            }

            int add = x.size();
            c[tree[0]] = tree[1] - add;
            for (int j = 1; 2 * j < tree.size(); j++)
            {
                if (j > 1 && tree[j] == tree[2 * j]) continue;
                nx[-new_id[-tree[j]] - 1] = (tree[2 * j] < 0 ? new_id[-tree[2 * j]] : tree[2 * j]);
                ny[-new_id[-tree[j]] - 1] = (tree[2 * j + 1] < 0 ? new_id[-tree[2 * j + 1]] : tree[2 * j + 1]);
            }
            for (int j = 0; j < nx.size(); j++)
            {
                if (nx[j] != -INF)
                {
                    x.push_back(nx[j] - (nx[j] < 0 ? add : 0));
                    y.push_back(ny[j] - (ny[j] < 0 ? add : 0));
                }
            }
            break;
        }
    }
}

void create_circuit(int m, vector<int> a)
{
    c.resize(m + 1);
    a.push_back(0);
    build(0, a);
    for (int i = 0; i < c.size(); i++) c[i] = -1;
    answer(c, x, y);
}

/*int main()
{
    int m, n;
    cin >> m >> n;
    vector<int> a(n);
    for (int i = 0; i < n; i++)
        cin >> a[i];
    create_circuit(m, a);
}*/

Compilation message

doll.cpp: In function 'void build(int, std::vector<int>)':
doll.cpp:49:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |         if (v.size() <= (1 << i))
      |             ~~~~~~~~~^~~~~~~~~~~
doll.cpp:52:32: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   52 |             while (tree.size() < (1 << i))
      |                    ~~~~~~~~~~~~^~~~~~~~~~
doll.cpp:58:32: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   58 |             while (tree.size() < 2 * (1 << i))
      |                    ~~~~~~~~~~~~^~~~~~~~~~~~~~
doll.cpp:75:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |             for (int j = 0; j < out.size(); j++)
      |                             ~~^~~~~~~~~~~~
doll.cpp:107:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |             for (int j = 1; 2 * j < tree.size(); j++)
      |                             ~~~~~~^~~~~~~~~~~~~
doll.cpp:113:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  113 |             for (int j = 0; j < nx.size(); j++)
      |                             ~~^~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:131:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  131 |     for (int i = 0; i < c.size(); i++) c[i] = -1;
      |                     ~~^~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 52 ms 7368 KB Output is correct
3 Correct 49 ms 7248 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 12 ms 1484 KB Output is correct
6 Correct 63 ms 8256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 52 ms 7368 KB Output is correct
3 Correct 49 ms 7248 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 12 ms 1484 KB Output is correct
6 Correct 63 ms 8256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 90 ms 13856 KB Output is correct
9 Correct 94 ms 13980 KB Output is correct
10 Correct 115 ms 15828 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 52 ms 7368 KB Output is correct
3 Correct 49 ms 7248 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 12 ms 1484 KB Output is correct
6 Correct 63 ms 8256 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 90 ms 13856 KB Output is correct
9 Correct 94 ms 13980 KB Output is correct
10 Correct 115 ms 15828 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 117 ms 15776 KB Output is correct
15 Correct 92 ms 13776 KB Output is correct
16 Correct 167 ms 15648 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 122 ms 15720 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 68 ms 12052 KB Output is correct
3 Correct 54 ms 12012 KB Output is correct
4 Correct 65 ms 13360 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 68 ms 12052 KB Output is correct
3 Correct 54 ms 12012 KB Output is correct
4 Correct 65 ms 13360 KB Output is correct
5 Correct 148 ms 15632 KB Output is correct
6 Correct 118 ms 15520 KB Output is correct
7 Correct 123 ms 15528 KB Output is correct
8 Correct 108 ms 15536 KB Output is correct
9 Correct 73 ms 12360 KB Output is correct
10 Correct 120 ms 15372 KB Output is correct
11 Correct 111 ms 15468 KB Output is correct
12 Correct 84 ms 12604 KB Output is correct
13 Correct 119 ms 13600 KB Output is correct
14 Correct 114 ms 13716 KB Output is correct
15 Correct 89 ms 13752 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 65 ms 8256 KB Output is correct
18 Correct 101 ms 12616 KB Output is correct
19 Correct 90 ms 12568 KB Output is correct
20 Correct 129 ms 15488 KB Output is correct
21 Correct 125 ms 15408 KB Output is correct
22 Correct 149 ms 15504 KB Output is correct