Submission #1114170

# Submission time Handle Problem Language Result Execution time Memory
1114170 2024-11-18T09:11:36 Z n3rm1n Amusement Park (CEOI19_amusementpark) C++17
19 / 100
3000 ms 196852 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)
{
    if(imp)return;
    visited[beg] = 1;
    in_cycle[beg] = 1;
    for (auto nb: g[beg])
    {
        if(imp)return;
        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 428 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 428 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 1 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 504 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 532 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 504 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 428 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 1 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 504 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 532 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 5 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 464 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 12 ms 592 KB Output is correct
35 Correct 18 ms 848 KB Output is correct
36 Correct 35 ms 2144 KB Output is correct
37 Correct 34 ms 4440 KB Output is correct
38 Correct 43 ms 7808 KB Output is correct
39 Correct 44 ms 336 KB Output is correct
40 Correct 83 ms 476 KB Output is correct
41 Correct 100 ms 584 KB Output is correct
42 Correct 129 ms 1000 KB Output is correct
43 Correct 177 ms 4684 KB Output is correct
44 Correct 245 ms 9424 KB Output is correct
45 Correct 300 ms 22600 KB Output is correct
46 Correct 437 ms 46152 KB Output is correct
47 Correct 563 ms 79944 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 97 ms 840 KB Output is correct
50 Correct 101 ms 840 KB Output is correct
51 Correct 110 ms 968 KB Output is correct
52 Correct 597 ms 336 KB Output is correct
53 Correct 866 ms 336 KB Output is correct
54 Correct 1268 ms 1228 KB Output is correct
55 Correct 1734 ms 5408 KB Output is correct
56 Correct 2298 ms 31544 KB Output is correct
57 Correct 2871 ms 89856 KB Output is correct
58 Execution timed out 3063 ms 196852 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 428 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 1 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 504 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 532 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 5 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 464 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 12 ms 592 KB Output is correct
35 Correct 18 ms 848 KB Output is correct
36 Correct 35 ms 2144 KB Output is correct
37 Correct 34 ms 4440 KB Output is correct
38 Correct 43 ms 7808 KB Output is correct
39 Correct 44 ms 336 KB Output is correct
40 Correct 83 ms 476 KB Output is correct
41 Correct 100 ms 584 KB Output is correct
42 Correct 129 ms 1000 KB Output is correct
43 Correct 177 ms 4684 KB Output is correct
44 Correct 245 ms 9424 KB Output is correct
45 Correct 300 ms 22600 KB Output is correct
46 Correct 437 ms 46152 KB Output is correct
47 Correct 563 ms 79944 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 97 ms 840 KB Output is correct
50 Correct 101 ms 840 KB Output is correct
51 Correct 110 ms 968 KB Output is correct
52 Correct 597 ms 336 KB Output is correct
53 Correct 866 ms 336 KB Output is correct
54 Correct 1268 ms 1228 KB Output is correct
55 Correct 1734 ms 5408 KB Output is correct
56 Correct 2298 ms 31544 KB Output is correct
57 Correct 2871 ms 89856 KB Output is correct
58 Execution timed out 3063 ms 196852 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 428 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 1 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 504 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 532 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 348 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 5 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 464 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 12 ms 592 KB Output is correct
35 Correct 18 ms 848 KB Output is correct
36 Correct 35 ms 2144 KB Output is correct
37 Correct 34 ms 4440 KB Output is correct
38 Correct 43 ms 7808 KB Output is correct
39 Correct 44 ms 336 KB Output is correct
40 Correct 83 ms 476 KB Output is correct
41 Correct 100 ms 584 KB Output is correct
42 Correct 129 ms 1000 KB Output is correct
43 Correct 177 ms 4684 KB Output is correct
44 Correct 245 ms 9424 KB Output is correct
45 Correct 300 ms 22600 KB Output is correct
46 Correct 437 ms 46152 KB Output is correct
47 Correct 563 ms 79944 KB Output is correct
48 Correct 64 ms 336 KB Output is correct
49 Correct 97 ms 840 KB Output is correct
50 Correct 101 ms 840 KB Output is correct
51 Correct 110 ms 968 KB Output is correct
52 Correct 597 ms 336 KB Output is correct
53 Correct 866 ms 336 KB Output is correct
54 Correct 1268 ms 1228 KB Output is correct
55 Correct 1734 ms 5408 KB Output is correct
56 Correct 2298 ms 31544 KB Output is correct
57 Correct 2871 ms 89856 KB Output is correct
58 Execution timed out 3063 ms 196852 KB Time limit exceeded
59 Halted 0 ms 0 KB -