Submission #1096565

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1096565	2024-10-04T19:00:44 Z	alexander707070	Amusement Park (CEOI19_amusementpark)	C++14	42 / 100	3000 ms	596 KB

amusementpark

#include<bits/stdc++.h>
#define MAXN 600007
using namespace std;

const int mod=998244353;

struct polynom{
    int coef[20]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};

    inline friend polynom operator - (polynom fr,polynom sc){
        for(int i=0;i<20;i++)fr.coef[i]-=sc.coef[i];
        return fr;
    }
}chromatic;

struct graph{
    bool e[20][20];  
}g;

int n,m,a[4000],b[4000];
long long ans;

graph combine(graph g,int u,int v){

    for(int i=1;i<=n;i++){
        if(i==v)continue;

        if(g.e[v][i]){
            g.e[v][i]=false;
            g.e[i][v]=false;

            g.e[u][i]=true;
            g.e[i][u]=true;
        }
    }
    g.e[v][v]=false;

    return g;
}

polynom build(graph g){

    for(int i=1;i<=n;i++){
        for(int f=i+1;f<=n;f++){
            if(!g.e[i][f])continue;

            g.e[i][f]=g.e[f][i]=false;
            return build(g) - build(combine(g,i,f));
        }
    }

    int br=0;
    for(int i=1;i<=n;i++){
        if(g.e[i][i])br++;
    }


    polynom curr;
    curr.coef[br]++;
    return curr;
}

int main(){

    cin>>n>>m;
    
    for(int i=1;i<=n;i++)g.e[i][i]=true;

    for(int i=1;i<=m;i++){
        cin>>a[i]>>b[i];

        g.e[a[i]][b[i]]=true;
        g.e[b[i]][a[i]]=true;
    }

    chromatic=build(g);

    for(int i=19;i>=0;i--){
        if(i%2==0)ans+=chromatic.coef[i];
        else ans-=chromatic.coef[i];
    }

    ans=abs(ans);
    ans*=m; ans/=2; ans%=mod;

    cout<<ans<<"\n";

    return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	436 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	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	436 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	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	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	0 ms	348 KB	Output is correct
18	Correct	1 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	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct

Subtask #3
23.0 / 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	436 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	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	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	0 ms	348 KB	Output is correct
18	Correct	1 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	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 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	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	440 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	2 ms	348 KB	Output is correct
37	Correct	4 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	436 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	4 ms	456 KB	Output is correct
44	Correct	8 ms	472 KB	Output is correct
45	Correct	18 ms	348 KB	Output is correct
46	Correct	35 ms	448 KB	Output is correct
47	Correct	59 ms	440 KB	Output is correct
48	Correct	0 ms	344 KB	Output is correct
49	Correct	1 ms	444 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	5 ms	464 KB	Output is correct
56	Correct	29 ms	464 KB	Output is correct
57	Correct	75 ms	468 KB	Output is correct
58	Correct	166 ms	596 KB	Output is correct
59	Correct	313 ms	344 KB	Output is correct
60	Correct	592 ms	464 KB	Output is correct
61	Correct	1 ms	344 KB	Output is correct
62	Correct	2 ms	348 KB	Output is correct
63	Correct	2 ms	344 KB	Output is correct
64	Correct	2 ms	348 KB	Output is correct

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	436 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	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	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	0 ms	348 KB	Output is correct
18	Correct	1 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	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 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	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	440 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	2 ms	348 KB	Output is correct
37	Correct	4 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	436 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	4 ms	456 KB	Output is correct
44	Correct	8 ms	472 KB	Output is correct
45	Correct	18 ms	348 KB	Output is correct
46	Correct	35 ms	448 KB	Output is correct
47	Correct	59 ms	440 KB	Output is correct
48	Correct	0 ms	344 KB	Output is correct
49	Correct	1 ms	444 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	5 ms	464 KB	Output is correct
56	Correct	29 ms	464 KB	Output is correct
57	Correct	75 ms	468 KB	Output is correct
58	Correct	166 ms	596 KB	Output is correct
59	Correct	313 ms	344 KB	Output is correct
60	Correct	592 ms	464 KB	Output is correct
61	Correct	1 ms	344 KB	Output is correct
62	Correct	2 ms	348 KB	Output is correct
63	Correct	2 ms	344 KB	Output is correct
64	Correct	2 ms	348 KB	Output is correct
65	Execution timed out	3041 ms	344 KB	Time limit exceeded
66	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	436 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	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	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	0 ms	348 KB	Output is correct
18	Correct	1 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	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 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	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	440 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	1 ms	348 KB	Output is correct
35	Correct	1 ms	348 KB	Output is correct
36	Correct	2 ms	348 KB	Output is correct
37	Correct	4 ms	348 KB	Output is correct
38	Correct	6 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	0 ms	348 KB	Output is correct
41	Correct	1 ms	436 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	4 ms	456 KB	Output is correct
44	Correct	8 ms	472 KB	Output is correct
45	Correct	18 ms	348 KB	Output is correct
46	Correct	35 ms	448 KB	Output is correct
47	Correct	59 ms	440 KB	Output is correct
48	Correct	0 ms	344 KB	Output is correct
49	Correct	1 ms	444 KB	Output is correct
50	Correct	1 ms	348 KB	Output is correct
51	Correct	1 ms	348 KB	Output is correct
52	Correct	0 ms	348 KB	Output is correct
53	Correct	0 ms	348 KB	Output is correct
54	Correct	1 ms	348 KB	Output is correct
55	Correct	5 ms	464 KB	Output is correct
56	Correct	29 ms	464 KB	Output is correct
57	Correct	75 ms	468 KB	Output is correct
58	Correct	166 ms	596 KB	Output is correct
59	Correct	313 ms	344 KB	Output is correct
60	Correct	592 ms	464 KB	Output is correct
61	Correct	1 ms	344 KB	Output is correct
62	Correct	2 ms	348 KB	Output is correct
63	Correct	2 ms	344 KB	Output is correct
64	Correct	2 ms	348 KB	Output is correct
65	Execution timed out	3041 ms	344 KB	Time limit exceeded
66	Halted	0 ms	0 KB	-

Submission #1096565

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 21.0

Subtask #5 0 / 37.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 21.0

Subtask #5
0 / 37.0