Submission #1114090

# Submission time Handle Problem Language Result Execution time Memory
1114090 2024-11-18T07:41:02 Z n3rm1n Amusement Park (CEOI19_amusementpark) C++17
19 / 100
3000 ms 185416 KB
#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 12, MAXM = 200;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int n, m;
int from[MAXM], to[MAXM];
void read()
{
    cin >> n >> m;
    for (int i = 1; i <= m; ++ i)
        cin >> from[i] >> to[i];
}
int order[MAXN], used[MAXN], visited[MAXN], in_cycle[MAXN]; /// na koq poziciq e i
int ans = 0, imp = 0;
const long long mod = 998244353;
set < vector < int > > mp;
vector < int > g[MAXN];
void dfs(int beg)
{
    visited[beg] = 1;
    in_cycle[beg] = 1;
    for (auto nb: g[beg])
    {
        if(!visited[nb])dfs(nb);
        else if(in_cycle[nb])imp = 1;
    }
    in_cycle[beg] = 0;
}
void check()
{
    for (int i = 1; i <= n; ++ i)
    {
        g[i].clear();
        visited[i] = 0;
        in_cycle[i] = 0;
    }

    vector < int > u;
    int cnt = 0;
    for (int i = 1; i <= m; ++ i)
    {
        if(order[from[i]] > order[to[i]])
        {
            u.push_back(0);
            g[from[i]].push_back(to[i]);
        }
        else
        {
            cnt ++;
            u.push_back(1);
            g[to[i]].push_back(from[i]);
        }
    }
    if(mp.find(u) != mp.end())return;
    mp.insert(u);

    imp = 0;
    for (int i = 1; i <= n && (!imp); ++ i)
    {
        if(visited[order[i]])continue;
        dfs(visited[order[i]]);
    }
    if(imp)return;
    ans += cnt;
    //ans %= mod;
}
void gen(int pos)
{
    if(pos > n)
    {
        check();
        return;
    }
    for (int i = 1; i <= n; ++ i)
    {
        if(used[i])continue;
        order[pos] = i;
        used[i] = 1;
        gen(pos+1);
        used[i] = 0;
    }
}
int main()
{
    speed();
    read();
    gen(1);
    cout << ans << endl;
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 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 336 KB Output is correct
8 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 1 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 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 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 1 ms 336 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 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 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 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 1 ms 336 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 3 ms 592 KB Output is correct
30 Correct 4 ms 848 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 336 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 14 ms 612 KB Output is correct
35 Correct 17 ms 832 KB Output is correct
36 Correct 29 ms 1904 KB Output is correct
37 Correct 47 ms 4392 KB Output is correct
38 Correct 66 ms 7780 KB Output is correct
39 Correct 46 ms 336 KB Output is correct
40 Correct 68 ms 472 KB Output is correct
41 Correct 99 ms 556 KB Output is correct
42 Correct 116 ms 1096 KB Output is correct
43 Correct 173 ms 4788 KB Output is correct
44 Correct 290 ms 9432 KB Output is correct
45 Correct 329 ms 22600 KB Output is correct
46 Correct 461 ms 46076 KB Output is correct
47 Correct 557 ms 79868 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 110 ms 840 KB Output is correct
50 Correct 106 ms 812 KB Output is correct
51 Correct 146 ms 840 KB Output is correct
52 Correct 570 ms 336 KB Output is correct
53 Correct 860 ms 336 KB Output is correct
54 Correct 1207 ms 1292 KB Output is correct
55 Correct 1659 ms 5476 KB Output is correct
56 Correct 2259 ms 31508 KB Output is correct
57 Correct 2968 ms 89756 KB Output is correct
58 Execution timed out 3059 ms 185416 KB Time limit exceeded
59 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 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 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 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 1 ms 336 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 3 ms 592 KB Output is correct
30 Correct 4 ms 848 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 336 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 14 ms 612 KB Output is correct
35 Correct 17 ms 832 KB Output is correct
36 Correct 29 ms 1904 KB Output is correct
37 Correct 47 ms 4392 KB Output is correct
38 Correct 66 ms 7780 KB Output is correct
39 Correct 46 ms 336 KB Output is correct
40 Correct 68 ms 472 KB Output is correct
41 Correct 99 ms 556 KB Output is correct
42 Correct 116 ms 1096 KB Output is correct
43 Correct 173 ms 4788 KB Output is correct
44 Correct 290 ms 9432 KB Output is correct
45 Correct 329 ms 22600 KB Output is correct
46 Correct 461 ms 46076 KB Output is correct
47 Correct 557 ms 79868 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 110 ms 840 KB Output is correct
50 Correct 106 ms 812 KB Output is correct
51 Correct 146 ms 840 KB Output is correct
52 Correct 570 ms 336 KB Output is correct
53 Correct 860 ms 336 KB Output is correct
54 Correct 1207 ms 1292 KB Output is correct
55 Correct 1659 ms 5476 KB Output is correct
56 Correct 2259 ms 31508 KB Output is correct
57 Correct 2968 ms 89756 KB Output is correct
58 Execution timed out 3059 ms 185416 KB Time limit exceeded
59 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 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 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 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 1 ms 336 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 3 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 3 ms 592 KB Output is correct
30 Correct 4 ms 848 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 336 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 14 ms 612 KB Output is correct
35 Correct 17 ms 832 KB Output is correct
36 Correct 29 ms 1904 KB Output is correct
37 Correct 47 ms 4392 KB Output is correct
38 Correct 66 ms 7780 KB Output is correct
39 Correct 46 ms 336 KB Output is correct
40 Correct 68 ms 472 KB Output is correct
41 Correct 99 ms 556 KB Output is correct
42 Correct 116 ms 1096 KB Output is correct
43 Correct 173 ms 4788 KB Output is correct
44 Correct 290 ms 9432 KB Output is correct
45 Correct 329 ms 22600 KB Output is correct
46 Correct 461 ms 46076 KB Output is correct
47 Correct 557 ms 79868 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 110 ms 840 KB Output is correct
50 Correct 106 ms 812 KB Output is correct
51 Correct 146 ms 840 KB Output is correct
52 Correct 570 ms 336 KB Output is correct
53 Correct 860 ms 336 KB Output is correct
54 Correct 1207 ms 1292 KB Output is correct
55 Correct 1659 ms 5476 KB Output is correct
56 Correct 2259 ms 31508 KB Output is correct
57 Correct 2968 ms 89756 KB Output is correct
58 Execution timed out 3059 ms 185416 KB Time limit exceeded
59 Halted 0 ms 0 KB -