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Submission #395391

# Submission time Handle Problem Language Result Execution time Memory
395391 2021-04-28T10:20:20 Z idk321 Toy Train (IOI17_train) C++11
5 / 100
 82 ms 1884 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int N = 5000;
set<int> adj[N];

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {

    int n = a.size();
    int m = u.size();
    bool simple = true;
    for (int i = 0; i < m; i++)
    {
        if (!(v[i] == u[i] || v[i] == u[i] + 1)) simple = false;
        adj[u[i]].insert(v[i]);
    }

    std::vector<int> res(a.size());

    //cout << simple << endl;
    if (simple)
    {
        for (int i = 0; i < n; i++)
        {
            int cur = i;
            bool good = false;
            int travelled = 0;
            while (travelled < n)
            {
                if (a[cur] == 1)
                {
                    if (r[cur] == 1)
                    {
                        if (adj[cur].find(cur) != adj[cur].end())
                        {
                            good = true;
                            break;
                        }
                    }

                    for (int next : adj[cur])
                    {
                        if (next != cur)
                        {
                            cur = next;
                            break;
                        }
                    }
                } else
                {
                    if (r[cur] != 1)
                    {
                        if (adj[cur].find(cur) != adj[cur].end())
                        {
                            break;
                        }
                    }

                    for (int next : adj[cur])
                    {
                        if (next != cur)
                        {
                            cur = next;
                            break;
                        }
                    }
                }

                travelled++;
            }

            if (r[cur]) good = true;
            res[i] = good;
        }
    }

	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 972 KB Output is correct
2 Correct 6 ms 1100 KB Output is correct
3 Correct 6 ms 1100 KB Output is correct
4 Correct 6 ms 1100 KB Output is correct
5 Correct 13 ms 1100 KB Output is correct
6 Correct 23 ms 1128 KB Output is correct
7 Correct 25 ms 1100 KB Output is correct
8 Correct 21 ms 1100 KB Output is correct
9 Correct 44 ms 1100 KB Output is correct
10 Correct 70 ms 1068 KB Output is correct
11 Correct 82 ms 1004 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 460 KB 3rd lines differ - on the 2nd token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1820 KB Output is correct
2 Correct 11 ms 1884 KB Output is correct
3 Correct 11 ms 1872 KB Output is correct
4 Incorrect 9 ms 1868 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
5 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 1456 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 1868 KB 3rd lines differ - on the 1st token, expected: '1', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 972 KB Output is correct
2 Correct 6 ms 1100 KB Output is correct
3 Correct 6 ms 1100 KB Output is correct
4 Correct 6 ms 1100 KB Output is correct
5 Correct 13 ms 1100 KB Output is correct
6 Correct 23 ms 1128 KB Output is correct
7 Correct 25 ms 1100 KB Output is correct
8 Correct 21 ms 1100 KB Output is correct
9 Correct 44 ms 1100 KB Output is correct
10 Correct 70 ms 1068 KB Output is correct
11 Correct 82 ms 1004 KB Output is correct
12 Incorrect 1 ms 460 KB 3rd lines differ - on the 2nd token, expected: '1', found: '0'
13 Halted 0 ms 0 KB -