Submission #946408

# Submission time Handle Problem Language Result Execution time Memory
946408 2024-03-14T16:05:59 Z Aiperiii Amusement Park (CEOI19_amusementpark) C++14
19 / 100
214 ms 22196 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 <pair <int,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;
        int ch=0;
        for(int i=0;i<m;i++){
            int x=val_ord[u[i]];
            int y=val_ord[v[i]];
            if(x<y){
                ch+=(1<<i);
                cnt++;
                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)break;
        }
        if(ok)st.insert({ch,cnt});
    }while(next_permutation(all(ord)));
    int ans=0;
    for(auto x : st)ans+=x.ss;
    cout<<ans<<"\n";
}


/*
3 3
1 2
2 3
1 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++){
      |                     ~^~~~~~~~~~~
# 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 344 KB Output is correct
# 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 436 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 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
# 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 436 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 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 600 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 2 ms 468 KB Output is correct
30 Correct 2 ms 440 KB Output is correct
31 Correct 3 ms 604 KB Output is correct
32 Correct 4 ms 428 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 7 ms 524 KB Output is correct
35 Correct 11 ms 696 KB Output is correct
36 Correct 13 ms 860 KB Output is correct
37 Correct 16 ms 1884 KB Output is correct
38 Correct 20 ms 2812 KB Output is correct
39 Correct 38 ms 412 KB Output is correct
40 Correct 49 ms 604 KB Output is correct
41 Correct 68 ms 500 KB Output is correct
42 Correct 74 ms 736 KB Output is correct
43 Correct 98 ms 2160 KB Output is correct
44 Correct 112 ms 3732 KB Output is correct
45 Correct 129 ms 7688 KB Output is correct
46 Correct 196 ms 14400 KB Output is correct
47 Incorrect 214 ms 22196 KB Output isn't correct
48 Halted 0 ms 0 KB -
# 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 436 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 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 600 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 2 ms 468 KB Output is correct
30 Correct 2 ms 440 KB Output is correct
31 Correct 3 ms 604 KB Output is correct
32 Correct 4 ms 428 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 7 ms 524 KB Output is correct
35 Correct 11 ms 696 KB Output is correct
36 Correct 13 ms 860 KB Output is correct
37 Correct 16 ms 1884 KB Output is correct
38 Correct 20 ms 2812 KB Output is correct
39 Correct 38 ms 412 KB Output is correct
40 Correct 49 ms 604 KB Output is correct
41 Correct 68 ms 500 KB Output is correct
42 Correct 74 ms 736 KB Output is correct
43 Correct 98 ms 2160 KB Output is correct
44 Correct 112 ms 3732 KB Output is correct
45 Correct 129 ms 7688 KB Output is correct
46 Correct 196 ms 14400 KB Output is correct
47 Incorrect 214 ms 22196 KB Output isn't correct
48 Halted 0 ms 0 KB -
# 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 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 436 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 436 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 600 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 2 ms 468 KB Output is correct
30 Correct 2 ms 440 KB Output is correct
31 Correct 3 ms 604 KB Output is correct
32 Correct 4 ms 428 KB Output is correct
33 Correct 6 ms 348 KB Output is correct
34 Correct 7 ms 524 KB Output is correct
35 Correct 11 ms 696 KB Output is correct
36 Correct 13 ms 860 KB Output is correct
37 Correct 16 ms 1884 KB Output is correct
38 Correct 20 ms 2812 KB Output is correct
39 Correct 38 ms 412 KB Output is correct
40 Correct 49 ms 604 KB Output is correct
41 Correct 68 ms 500 KB Output is correct
42 Correct 74 ms 736 KB Output is correct
43 Correct 98 ms 2160 KB Output is correct
44 Correct 112 ms 3732 KB Output is correct
45 Correct 129 ms 7688 KB Output is correct
46 Correct 196 ms 14400 KB Output is correct
47 Incorrect 214 ms 22196 KB Output isn't correct
48 Halted 0 ms 0 KB -