oj.uz

Submission #945675

# Submission time Handle Problem Language Result Execution time Memory
945675 2024-03-14T06:17:15 Z vjudge1 Amusement Park (CEOI19_amusementpark) C++17
19 / 100
 3000 ms 483676 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;
    vector <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)break;
        }
        if(ok){
            st.pb(ch);
        }
    }while(next_permutation(all(ord)));
    int ans=0;
    sort(all(st));
    if(st.size()!=0)ans+=st[0].size();
    for(int i=1;i<st.size();i++){
        if(st[i].size()!=st[i-1].size())ans+=st[i].size();
        else{
            for(int j=0;j<st[i].size();j++){
                if(st[i][j]!=st[i-1][j]){
                    ans+=st[i].size();break;
                }
            }
           
        }
    }
    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;
      |             ^~~
amusementpark.cpp:62:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for(int i=1;i<st.size();i++){
      |                 ~^~~~~~~~~~
amusementpark.cpp:65:26: 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]
   65 |             for(int j=0;j<st[i].size();j++){
      |                         ~^~~~~~~~~~~~~

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 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 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 348 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 348 KB Output is correct
19 Correct 1 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 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 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 348 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 348 KB Output is correct
19 Correct 1 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 768 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 860 KB Output is correct
30 Correct 3 ms 860 KB Output is correct
31 Correct 4 ms 860 KB Output is correct
32 Correct 10 ms 2836 KB Output is correct
33 Correct 14 ms 3332 KB Output is correct
34 Correct 18 ms 3856 KB Output is correct
35 Correct 22 ms 4372 KB Output is correct
36 Correct 27 ms 5032 KB Output is correct
37 Correct 28 ms 5836 KB Output is correct
38 Correct 30 ms 6160 KB Output is correct
39 Correct 99 ms 22064 KB Output is correct
40 Correct 145 ms 25580 KB Output is correct
41 Correct 189 ms 31136 KB Output is correct
42 Correct 222 ms 37036 KB Output is correct
43 Correct 260 ms 42408 KB Output is correct
44 Correct 294 ms 47856 KB Output is correct
45 Correct 325 ms 53528 KB Output is correct
46 Correct 375 ms 60136 KB Output is correct
47 Correct 377 ms 65404 KB Output is correct
48 Correct 152 ms 26512 KB Output is correct
49 Correct 207 ms 35284 KB Output is correct
50 Correct 230 ms 35308 KB Output is correct
51 Correct 212 ms 34596 KB Output is correct
52 Correct 1321 ms 210824 KB Output is correct
53 Correct 1851 ms 272372 KB Output is correct
54 Correct 2449 ms 342996 KB Output is correct
55 Correct 2879 ms 414036 KB Output is correct
56 Execution timed out 3077 ms 483676 KB Time limit exceeded
57 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 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 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 348 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 348 KB Output is correct
19 Correct 1 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 768 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 860 KB Output is correct
30 Correct 3 ms 860 KB Output is correct
31 Correct 4 ms 860 KB Output is correct
32 Correct 10 ms 2836 KB Output is correct
33 Correct 14 ms 3332 KB Output is correct
34 Correct 18 ms 3856 KB Output is correct
35 Correct 22 ms 4372 KB Output is correct
36 Correct 27 ms 5032 KB Output is correct
37 Correct 28 ms 5836 KB Output is correct
38 Correct 30 ms 6160 KB Output is correct
39 Correct 99 ms 22064 KB Output is correct
40 Correct 145 ms 25580 KB Output is correct
41 Correct 189 ms 31136 KB Output is correct
42 Correct 222 ms 37036 KB Output is correct
43 Correct 260 ms 42408 KB Output is correct
44 Correct 294 ms 47856 KB Output is correct
45 Correct 325 ms 53528 KB Output is correct
46 Correct 375 ms 60136 KB Output is correct
47 Correct 377 ms 65404 KB Output is correct
48 Correct 152 ms 26512 KB Output is correct
49 Correct 207 ms 35284 KB Output is correct
50 Correct 230 ms 35308 KB Output is correct
51 Correct 212 ms 34596 KB Output is correct
52 Correct 1321 ms 210824 KB Output is correct
53 Correct 1851 ms 272372 KB Output is correct
54 Correct 2449 ms 342996 KB Output is correct
55 Correct 2879 ms 414036 KB Output is correct
56 Execution timed out 3077 ms 483676 KB Time limit exceeded
57 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 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 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 348 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 348 KB Output is correct
19 Correct 1 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 768 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 2 ms 856 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 3 ms 860 KB Output is correct
30 Correct 3 ms 860 KB Output is correct
31 Correct 4 ms 860 KB Output is correct
32 Correct 10 ms 2836 KB Output is correct
33 Correct 14 ms 3332 KB Output is correct
34 Correct 18 ms 3856 KB Output is correct
35 Correct 22 ms 4372 KB Output is correct
36 Correct 27 ms 5032 KB Output is correct
37 Correct 28 ms 5836 KB Output is correct
38 Correct 30 ms 6160 KB Output is correct
39 Correct 99 ms 22064 KB Output is correct
40 Correct 145 ms 25580 KB Output is correct
41 Correct 189 ms 31136 KB Output is correct
42 Correct 222 ms 37036 KB Output is correct
43 Correct 260 ms 42408 KB Output is correct
44 Correct 294 ms 47856 KB Output is correct
45 Correct 325 ms 53528 KB Output is correct
46 Correct 375 ms 60136 KB Output is correct
47 Correct 377 ms 65404 KB Output is correct
48 Correct 152 ms 26512 KB Output is correct
49 Correct 207 ms 35284 KB Output is correct
50 Correct 230 ms 35308 KB Output is correct
51 Correct 212 ms 34596 KB Output is correct
52 Correct 1321 ms 210824 KB Output is correct
53 Correct 1851 ms 272372 KB Output is correct
54 Correct 2449 ms 342996 KB Output is correct
55 Correct 2879 ms 414036 KB Output is correct
56 Execution timed out 3077 ms 483676 KB Time limit exceeded
57 Halted 0 ms 0 KB -