Submission #603183

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
603183	2022-07-23T16:38:23 Z	benjaminkleyn	Duathlon (APIO18_duathlon)	C++17	5 / 100	1000 ms	13580 KB

count_triplets

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int n, m;
vector<int> g[100000];
int par[100000];
bool vis[100000];
bool marked[100000];

void mark(int f)
{
    marked[f] = true;
    while (par[f] != f)
    {
        f = par[f];
        marked[f] = true;
    }
}

void dfs(int u, int f)
{
    if (u == f)
    {
        mark(f);
        return;
    }
    vis[u] = true;
    for (int v : g[u])
        if (!vis[v])
        {
            par[v] = u;
            dfs(v, f);
        }
    vis[u] = false;
}

int main()
{
    cin >> n >> m;
    for (int i = 0, u, v; i < m; i++)
    {
        cin >> u >> v;
        g[u-1].push_back(v-1);
        g[v-1].push_back(u-1);
    }

    ll res = 0;
    for (int s = 0; s < n; s++)
        for (int f = 0; f < n; f++)
        {
            if (s == f) continue;
            memset(vis, false, sizeof(vis));
            memset(marked, false, sizeof(marked));
            par[s] = s;
            dfs(s, f);
            for (int c = 0; c < n; c++)
                if (c != s && c != f && marked[c])
                    res++;

        }

    cout << res << '\n';

    return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2772 KB	Output is correct
2	Correct	3 ms	2772 KB	Output is correct
3	Correct	2 ms	2772 KB	Output is correct
4	Correct	2 ms	2864 KB	Output is correct
5	Correct	2 ms	2788 KB	Output is correct
6	Correct	2 ms	2784 KB	Output is correct
7	Correct	2 ms	2772 KB	Output is correct
8	Correct	3 ms	2772 KB	Output is correct
9	Correct	24 ms	2840 KB	Output is correct
10	Correct	533 ms	2772 KB	Output is correct
11	Correct	2 ms	2772 KB	Output is correct
12	Correct	2 ms	2772 KB	Output is correct
13	Correct	2 ms	2772 KB	Output is correct
14	Correct	2 ms	2788 KB	Output is correct
15	Correct	2 ms	2772 KB	Output is correct
16	Correct	2 ms	2772 KB	Output is correct
17	Correct	2 ms	2784 KB	Output is correct
18	Correct	2 ms	2772 KB	Output is correct
19	Correct	2 ms	2772 KB	Output is correct
20	Correct	2 ms	2772 KB	Output is correct
21	Correct	2 ms	2772 KB	Output is correct
22	Correct	2 ms	2772 KB	Output is correct
23	Correct	3 ms	2772 KB	Output is correct
24	Correct	2 ms	2772 KB	Output is correct
25	Correct	2 ms	2772 KB	Output is correct
26	Correct	2 ms	2788 KB	Output is correct
27	Correct	3 ms	2772 KB	Output is correct
28	Correct	2 ms	2772 KB	Output is correct
29	Correct	2 ms	2784 KB	Output is correct
30	Correct	2 ms	2772 KB	Output is correct
31	Correct	2 ms	2784 KB	Output is correct
32	Correct	2 ms	2772 KB	Output is correct
33	Correct	2 ms	2772 KB	Output is correct
34	Correct	2 ms	2772 KB	Output is correct
35	Correct	2 ms	2772 KB	Output is correct

Subtask #2
0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2772 KB	Output is correct
2	Correct	3 ms	2772 KB	Output is correct
3	Correct	2 ms	2772 KB	Output is correct
4	Correct	2 ms	2864 KB	Output is correct
5	Correct	2 ms	2788 KB	Output is correct
6	Correct	2 ms	2784 KB	Output is correct
7	Correct	2 ms	2772 KB	Output is correct
8	Correct	3 ms	2772 KB	Output is correct
9	Correct	24 ms	2840 KB	Output is correct
10	Correct	533 ms	2772 KB	Output is correct
11	Correct	2 ms	2772 KB	Output is correct
12	Correct	2 ms	2772 KB	Output is correct
13	Correct	2 ms	2772 KB	Output is correct
14	Correct	2 ms	2788 KB	Output is correct
15	Correct	2 ms	2772 KB	Output is correct
16	Correct	2 ms	2772 KB	Output is correct
17	Correct	2 ms	2784 KB	Output is correct
18	Correct	2 ms	2772 KB	Output is correct
19	Correct	2 ms	2772 KB	Output is correct
20	Correct	2 ms	2772 KB	Output is correct
21	Correct	2 ms	2772 KB	Output is correct
22	Correct	2 ms	2772 KB	Output is correct
23	Correct	3 ms	2772 KB	Output is correct
24	Correct	2 ms	2772 KB	Output is correct
25	Correct	2 ms	2772 KB	Output is correct
26	Correct	2 ms	2788 KB	Output is correct
27	Correct	3 ms	2772 KB	Output is correct
28	Correct	2 ms	2772 KB	Output is correct
29	Correct	2 ms	2784 KB	Output is correct
30	Correct	2 ms	2772 KB	Output is correct
31	Correct	2 ms	2784 KB	Output is correct
32	Correct	2 ms	2772 KB	Output is correct
33	Correct	2 ms	2772 KB	Output is correct
34	Correct	2 ms	2772 KB	Output is correct
35	Correct	2 ms	2772 KB	Output is correct
36	Correct	14 ms	2788 KB	Output is correct
37	Correct	13 ms	2772 KB	Output is correct
38	Correct	44 ms	2832 KB	Output is correct
39	Execution timed out	1093 ms	2788 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-

Subtask #3
0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1075 ms	13580 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #4
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1093 ms	2796 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1088 ms	7372 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1088 ms	2772 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #7
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	1049 ms	7404 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #8
0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2772 KB	Output is correct
2	Correct	3 ms	2772 KB	Output is correct
3	Correct	2 ms	2772 KB	Output is correct
4	Correct	2 ms	2864 KB	Output is correct
5	Correct	2 ms	2788 KB	Output is correct
6	Correct	2 ms	2784 KB	Output is correct
7	Correct	2 ms	2772 KB	Output is correct
8	Correct	3 ms	2772 KB	Output is correct
9	Correct	24 ms	2840 KB	Output is correct
10	Correct	533 ms	2772 KB	Output is correct
11	Correct	2 ms	2772 KB	Output is correct
12	Correct	2 ms	2772 KB	Output is correct
13	Correct	2 ms	2772 KB	Output is correct
14	Correct	2 ms	2788 KB	Output is correct
15	Correct	2 ms	2772 KB	Output is correct
16	Correct	2 ms	2772 KB	Output is correct
17	Correct	2 ms	2784 KB	Output is correct
18	Correct	2 ms	2772 KB	Output is correct
19	Correct	2 ms	2772 KB	Output is correct
20	Correct	2 ms	2772 KB	Output is correct
21	Correct	2 ms	2772 KB	Output is correct
22	Correct	2 ms	2772 KB	Output is correct
23	Correct	3 ms	2772 KB	Output is correct
24	Correct	2 ms	2772 KB	Output is correct
25	Correct	2 ms	2772 KB	Output is correct
26	Correct	2 ms	2788 KB	Output is correct
27	Correct	3 ms	2772 KB	Output is correct
28	Correct	2 ms	2772 KB	Output is correct
29	Correct	2 ms	2784 KB	Output is correct
30	Correct	2 ms	2772 KB	Output is correct
31	Correct	2 ms	2784 KB	Output is correct
32	Correct	2 ms	2772 KB	Output is correct
33	Correct	2 ms	2772 KB	Output is correct
34	Correct	2 ms	2772 KB	Output is correct
35	Correct	2 ms	2772 KB	Output is correct
36	Correct	14 ms	2788 KB	Output is correct
37	Correct	13 ms	2772 KB	Output is correct
38	Correct	44 ms	2832 KB	Output is correct
39	Execution timed out	1093 ms	2788 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-

Subtask #9
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	2772 KB	Output is correct
2	Correct	3 ms	2772 KB	Output is correct
3	Correct	2 ms	2772 KB	Output is correct
4	Correct	2 ms	2864 KB	Output is correct
5	Correct	2 ms	2788 KB	Output is correct
6	Correct	2 ms	2784 KB	Output is correct
7	Correct	2 ms	2772 KB	Output is correct
8	Correct	3 ms	2772 KB	Output is correct
9	Correct	24 ms	2840 KB	Output is correct
10	Correct	533 ms	2772 KB	Output is correct
11	Correct	2 ms	2772 KB	Output is correct
12	Correct	2 ms	2772 KB	Output is correct
13	Correct	2 ms	2772 KB	Output is correct
14	Correct	2 ms	2788 KB	Output is correct
15	Correct	2 ms	2772 KB	Output is correct
16	Correct	2 ms	2772 KB	Output is correct
17	Correct	2 ms	2784 KB	Output is correct
18	Correct	2 ms	2772 KB	Output is correct
19	Correct	2 ms	2772 KB	Output is correct
20	Correct	2 ms	2772 KB	Output is correct
21	Correct	2 ms	2772 KB	Output is correct
22	Correct	2 ms	2772 KB	Output is correct
23	Correct	3 ms	2772 KB	Output is correct
24	Correct	2 ms	2772 KB	Output is correct
25	Correct	2 ms	2772 KB	Output is correct
26	Correct	2 ms	2788 KB	Output is correct
27	Correct	3 ms	2772 KB	Output is correct
28	Correct	2 ms	2772 KB	Output is correct
29	Correct	2 ms	2784 KB	Output is correct
30	Correct	2 ms	2772 KB	Output is correct
31	Correct	2 ms	2784 KB	Output is correct
32	Correct	2 ms	2772 KB	Output is correct
33	Correct	2 ms	2772 KB	Output is correct
34	Correct	2 ms	2772 KB	Output is correct
35	Correct	2 ms	2772 KB	Output is correct
36	Correct	14 ms	2788 KB	Output is correct
37	Correct	13 ms	2772 KB	Output is correct
38	Correct	44 ms	2832 KB	Output is correct
39	Execution timed out	1093 ms	2788 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-

Submission #603183

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