Submission #838504

# Submission time Handle Problem Language Result Execution time Memory
838504 2023-08-27T10:01:58 Z finn__ Game (APIO22_game) C++17
30 / 100
92 ms 488 KB
#include <bits/stdc++.h>
#include "game.h"
using namespace std;

constexpr size_t N = 1000;

int n, k;
vector<int> g[N], rg[N], postorder;
bitset<N> visited;

void init(int n_, int k_)
{
    n = n_, k = k_;
    for (int i = 0; i + 1 < k; ++i)
        g[i].push_back(i + 1), rg[i + 1].push_back(i);
}

void dfs_postorder(int u)
{
    visited[u] = 1;
    for (int const &v : g[u])
        if (!visited[v])
            dfs_postorder(v);
    postorder.push_back(u);
}

bool find_scc(int u, int &scc_size)
{
    visited[u] = 1;
    ++scc_size;
    if (u < k && scc_size > 1)
        return 1;
    for (int const &v : rg[u])
        if (!visited[v])
        {
            if (u < k)
                return 1;
            if (find_scc(v, scc_size))
                return 1;
        }
    return 0;
}

int add_teleporter(int u, int v)
{
    if (u < k && u == v)
        return 1;
    g[u].push_back(v);
    rg[v].push_back(u);

    visited.reset();
    postorder.clear();
    for (int i = 0; i < n; ++i)
        if (!visited[i])
            dfs_postorder(i);
    visited.reset();
    reverse(postorder.begin(), postorder.end());
    for (int const &i : postorder)
        if (!visited[i])
        {
            int scc_size = 0;
            if (find_scc(i, scc_size))
                return 1;
        }
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 11 ms 336 KB Output is correct
21 Correct 3 ms 336 KB Output is correct
22 Correct 13 ms 400 KB Output is correct
23 Correct 14 ms 488 KB Output is correct
24 Correct 15 ms 336 KB Output is correct
25 Correct 76 ms 432 KB Output is correct
26 Correct 92 ms 412 KB Output is correct
27 Correct 73 ms 428 KB Output is correct
28 Correct 35 ms 428 KB Output is correct
29 Correct 76 ms 420 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 11 ms 336 KB Output is correct
21 Correct 3 ms 336 KB Output is correct
22 Correct 13 ms 400 KB Output is correct
23 Correct 14 ms 488 KB Output is correct
24 Correct 15 ms 336 KB Output is correct
25 Correct 76 ms 432 KB Output is correct
26 Correct 92 ms 412 KB Output is correct
27 Correct 73 ms 428 KB Output is correct
28 Correct 35 ms 428 KB Output is correct
29 Correct 76 ms 420 KB Output is correct
30 Runtime error 1 ms 468 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 356 KB Output is correct
8 Correct 0 ms 336 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 0 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 0 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 11 ms 336 KB Output is correct
21 Correct 3 ms 336 KB Output is correct
22 Correct 13 ms 400 KB Output is correct
23 Correct 14 ms 488 KB Output is correct
24 Correct 15 ms 336 KB Output is correct
25 Correct 76 ms 432 KB Output is correct
26 Correct 92 ms 412 KB Output is correct
27 Correct 73 ms 428 KB Output is correct
28 Correct 35 ms 428 KB Output is correct
29 Correct 76 ms 420 KB Output is correct
30 Runtime error 1 ms 468 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -