oj.uz

Submission #1114086

# Submission time Handle Problem Language Result Execution time Memory
1114086 2024-11-18T07:37:10 Z n3rm1n Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 3000 ms 189952 KB 
#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 20, 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
long long ans = 0, imp = 0;
const long long mod = 998244353;
map < vector < int >, 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();

    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[u])return;
    mp[u] = 1;
    memset(visited, 0, sizeof(visited));
    memset(in_cycle, 0, sizeof(in_cycle));
    imp = 0;
    for (int i = 1; i <= n; ++ 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;
}

Subtask #1
7.0 / 7.0

# 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

Subtask #2
12.0 / 12.0

# 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
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 336 KB Output is correct
16 Correct 1 ms 464 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 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct

Subtask #3
0 / 23.0

# 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
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 336 KB Output is correct
16 Correct 1 ms 464 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 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 4 ms 592 KB Output is correct
30 Correct 4 ms 732 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 16 ms 592 KB Output is correct
35 Correct 17 ms 864 KB Output is correct
36 Correct 29 ms 2128 KB Output is correct
37 Correct 35 ms 4680 KB Output is correct
38 Correct 53 ms 8544 KB Output is correct
39 Correct 41 ms 336 KB Output is correct
40 Correct 66 ms 636 KB Output is correct
41 Correct 93 ms 584 KB Output is correct
42 Correct 118 ms 1096 KB Output is correct
43 Correct 171 ms 5192 KB Output is correct
44 Correct 225 ms 10312 KB Output is correct
45 Correct 298 ms 24392 KB Output is correct
46 Correct 407 ms 49740 KB Output is correct
47 Correct 609 ms 85500 KB Output is correct
48 Correct 58 ms 336 KB Output is correct
49 Correct 99 ms 1096 KB Output is correct
50 Correct 102 ms 1096 KB Output is correct
51 Correct 117 ms 1100 KB Output is correct
52 Correct 522 ms 336 KB Output is correct
53 Correct 819 ms 468 KB Output is correct
54 Correct 1141 ms 1332 KB Output is correct
55 Correct 1689 ms 5960 KB Output is correct
56 Correct 2187 ms 34468 KB Output is correct
57 Correct 2929 ms 97432 KB Output is correct
58 Execution timed out 3058 ms 189952 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# 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
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 336 KB Output is correct
16 Correct 1 ms 464 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 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 4 ms 592 KB Output is correct
30 Correct 4 ms 732 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 16 ms 592 KB Output is correct
35 Correct 17 ms 864 KB Output is correct
36 Correct 29 ms 2128 KB Output is correct
37 Correct 35 ms 4680 KB Output is correct
38 Correct 53 ms 8544 KB Output is correct
39 Correct 41 ms 336 KB Output is correct
40 Correct 66 ms 636 KB Output is correct
41 Correct 93 ms 584 KB Output is correct
42 Correct 118 ms 1096 KB Output is correct
43 Correct 171 ms 5192 KB Output is correct
44 Correct 225 ms 10312 KB Output is correct
45 Correct 298 ms 24392 KB Output is correct
46 Correct 407 ms 49740 KB Output is correct
47 Correct 609 ms 85500 KB Output is correct
48 Correct 58 ms 336 KB Output is correct
49 Correct 99 ms 1096 KB Output is correct
50 Correct 102 ms 1096 KB Output is correct
51 Correct 117 ms 1100 KB Output is correct
52 Correct 522 ms 336 KB Output is correct
53 Correct 819 ms 468 KB Output is correct
54 Correct 1141 ms 1332 KB Output is correct
55 Correct 1689 ms 5960 KB Output is correct
56 Correct 2187 ms 34468 KB Output is correct
57 Correct 2929 ms 97432 KB Output is correct
58 Execution timed out 3058 ms 189952 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# 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
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 336 KB Output is correct
16 Correct 1 ms 464 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 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 3 ms 336 KB Output is correct
29 Correct 4 ms 592 KB Output is correct
30 Correct 4 ms 732 KB Output is correct
31 Correct 6 ms 1104 KB Output is correct
32 Correct 6 ms 504 KB Output is correct
33 Correct 8 ms 336 KB Output is correct
34 Correct 16 ms 592 KB Output is correct
35 Correct 17 ms 864 KB Output is correct
36 Correct 29 ms 2128 KB Output is correct
37 Correct 35 ms 4680 KB Output is correct
38 Correct 53 ms 8544 KB Output is correct
39 Correct 41 ms 336 KB Output is correct
40 Correct 66 ms 636 KB Output is correct
41 Correct 93 ms 584 KB Output is correct
42 Correct 118 ms 1096 KB Output is correct
43 Correct 171 ms 5192 KB Output is correct
44 Correct 225 ms 10312 KB Output is correct
45 Correct 298 ms 24392 KB Output is correct
46 Correct 407 ms 49740 KB Output is correct
47 Correct 609 ms 85500 KB Output is correct
48 Correct 58 ms 336 KB Output is correct
49 Correct 99 ms 1096 KB Output is correct
50 Correct 102 ms 1096 KB Output is correct
51 Correct 117 ms 1100 KB Output is correct
52 Correct 522 ms 336 KB Output is correct
53 Correct 819 ms 468 KB Output is correct
54 Correct 1141 ms 1332 KB Output is correct
55 Correct 1689 ms 5960 KB Output is correct
56 Correct 2187 ms 34468 KB Output is correct
57 Correct 2929 ms 97432 KB Output is correct
58 Execution timed out 3058 ms 189952 KB Time limit exceeded
59 Halted 0 ms 0 KB -