oj.uz

Submission #945663

# Submission time Handle Problem Language Result Execution time Memory
945663 2024-03-14T06:07:48 Z vjudge1 Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 3000 ms 211852 KB 
#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
vector <int> g[20];
int cl[20];
bool ok=1;
void dfs(int v){
    cl[v]=1;
    for(auto to : g[v]){
        if(cl[to]==0)dfs(to);
        else if(cl[to]==1)ok=0;
    }
    cl[v]=2;
}
signed main(){
    int n,m;
    cin>>n>>m;
    vector <int> u(m),v(m);
    for(int i=0;i<m;i++){
        cin>>u[i]>>v[i];
    }
    vector <int> ord;
    set <vector <int> > st;
    for(int i=1;i<=n;i++)ord.pb(i);
    do{
        vector <int> val_ord(n+1);
        for(int i=1;i<=n;i++){
            cl[i]=0;
            g[i].clear();
        }
        ok=1;
        for(int i=0;i<ord.size();i++){
            val_ord[ord[i]]=i;
        }
        
        int cnt=0;
        vector <int> ch;
        for(int i=0;i<m;i++){
            int x=val_ord[u[i]];
            int y=val_ord[v[i]];
            if(x<y){
                ch.pb(i);
                g[v[i]].pb(u[i]);
            }
            else g[u[i]].pb(v[i]);
        }
        for(int i=1;i<=n;i++){
            if(!cl[i])dfs(i);
        }
        if(ok){
            st.insert(ch);
        }
    }while(next_permutation(all(ord)));
    int ans=0;
    for(auto x : st)ans+=x.size();
    cout<<ans<<"\n";
}


/*
 3 3
 1 2
 2 3
 1 3
 1 2 3
*/

Compilation message

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:36:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for(int i=0;i<ord.size();i++){
      |                     ~^~~~~~~~~~~
amusementpark.cpp:40:13: warning: unused variable 'cnt' [-Wunused-variable]
   40 |         int cnt=0;
      |             ^~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 3 ms 600 KB Output is correct
30 Correct 4 ms 860 KB Output is correct
31 Correct 4 ms 1116 KB Output is correct
32 Correct 7 ms 348 KB Output is correct
33 Correct 9 ms 452 KB Output is correct
34 Correct 13 ms 604 KB Output is correct
35 Correct 16 ms 828 KB Output is correct
36 Correct 21 ms 1884 KB Output is correct
37 Correct 28 ms 4188 KB Output is correct
38 Correct 36 ms 7760 KB Output is correct
39 Correct 58 ms 412 KB Output is correct
40 Correct 86 ms 344 KB Output is correct
41 Correct 105 ms 544 KB Output is correct
42 Correct 130 ms 1072 KB Output is correct
43 Correct 176 ms 5204 KB Output is correct
44 Correct 197 ms 9296 KB Output is correct
45 Correct 262 ms 22240 KB Output is correct
46 Correct 357 ms 45688 KB Output is correct
47 Correct 417 ms 78416 KB Output is correct
48 Correct 82 ms 444 KB Output is correct
49 Correct 120 ms 848 KB Output is correct
50 Correct 147 ms 848 KB Output is correct
51 Correct 125 ms 852 KB Output is correct
52 Correct 629 ms 344 KB Output is correct
53 Correct 906 ms 684 KB Output is correct
54 Correct 1238 ms 1668 KB Output is correct
55 Correct 1552 ms 5308 KB Output is correct
56 Correct 1913 ms 31740 KB Output is correct
57 Correct 2514 ms 91772 KB Output is correct
58 Execution timed out 3036 ms 211852 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 3 ms 600 KB Output is correct
30 Correct 4 ms 860 KB Output is correct
31 Correct 4 ms 1116 KB Output is correct
32 Correct 7 ms 348 KB Output is correct
33 Correct 9 ms 452 KB Output is correct
34 Correct 13 ms 604 KB Output is correct
35 Correct 16 ms 828 KB Output is correct
36 Correct 21 ms 1884 KB Output is correct
37 Correct 28 ms 4188 KB Output is correct
38 Correct 36 ms 7760 KB Output is correct
39 Correct 58 ms 412 KB Output is correct
40 Correct 86 ms 344 KB Output is correct
41 Correct 105 ms 544 KB Output is correct
42 Correct 130 ms 1072 KB Output is correct
43 Correct 176 ms 5204 KB Output is correct
44 Correct 197 ms 9296 KB Output is correct
45 Correct 262 ms 22240 KB Output is correct
46 Correct 357 ms 45688 KB Output is correct
47 Correct 417 ms 78416 KB Output is correct
48 Correct 82 ms 444 KB Output is correct
49 Correct 120 ms 848 KB Output is correct
50 Correct 147 ms 848 KB Output is correct
51 Correct 125 ms 852 KB Output is correct
52 Correct 629 ms 344 KB Output is correct
53 Correct 906 ms 684 KB Output is correct
54 Correct 1238 ms 1668 KB Output is correct
55 Correct 1552 ms 5308 KB Output is correct
56 Correct 1913 ms 31740 KB Output is correct
57 Correct 2514 ms 91772 KB Output is correct
58 Execution timed out 3036 ms 211852 KB Time limit exceeded
59 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 2 ms 348 KB Output is correct
29 Correct 3 ms 600 KB Output is correct
30 Correct 4 ms 860 KB Output is correct
31 Correct 4 ms 1116 KB Output is correct
32 Correct 7 ms 348 KB Output is correct
33 Correct 9 ms 452 KB Output is correct
34 Correct 13 ms 604 KB Output is correct
35 Correct 16 ms 828 KB Output is correct
36 Correct 21 ms 1884 KB Output is correct
37 Correct 28 ms 4188 KB Output is correct
38 Correct 36 ms 7760 KB Output is correct
39 Correct 58 ms 412 KB Output is correct
40 Correct 86 ms 344 KB Output is correct
41 Correct 105 ms 544 KB Output is correct
42 Correct 130 ms 1072 KB Output is correct
43 Correct 176 ms 5204 KB Output is correct
44 Correct 197 ms 9296 KB Output is correct
45 Correct 262 ms 22240 KB Output is correct
46 Correct 357 ms 45688 KB Output is correct
47 Correct 417 ms 78416 KB Output is correct
48 Correct 82 ms 444 KB Output is correct
49 Correct 120 ms 848 KB Output is correct
50 Correct 147 ms 848 KB Output is correct
51 Correct 125 ms 852 KB Output is correct
52 Correct 629 ms 344 KB Output is correct
53 Correct 906 ms 684 KB Output is correct
54 Correct 1238 ms 1668 KB Output is correct
55 Correct 1552 ms 5308 KB Output is correct
56 Correct 1913 ms 31740 KB Output is correct
57 Correct 2514 ms 91772 KB Output is correct
58 Execution timed out 3036 ms 211852 KB Time limit exceeded
59 Halted 0 ms 0 KB -