#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 105;
int n, m;
vector<int> g[N];
bool vis[N], possible[N][N][N];
void dfs(int v, int y, int z){
if (v == z) return;
vis[v] = 1;
for (int u : g[v])
if (!vis[u]) dfs(u, y, z);
}
int main(){
cin >> n >> m;
for (int i = 0; i < m; i ++){
int u, v;
cin >> u >> v;
g[u].push_back(v);
g[v].push_back(u);
}
int total = n * (n - 1) * (n - 2);
for (int u = 1; u <= n; u ++){
for (int v = 1; v <= n; v ++){
for (int e = 1; e <= n; e ++){
memset(vis, 0, sizeof vis);
dfs(u, v, e);
if (vis[v])
possible[u][v][e] = 1;
}
}
}
for (int c = 1; c <= n; c ++){
for (int s = 1; s <= n; s ++){
for (int f = 1; f <= n; f ++){
if (c == s or c == f or s == f) continue;
bool bad = 0;
for (int v = 1; v <= n; v ++){
if (v == c) continue;
if (!possible[s][c][v] and !possible[c][f][v])
bad = 1;
}
total -= bad;
}
}
}
cout << total << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
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 |
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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
388 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
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 |
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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
388 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
6 ms |
604 KB |
Output is correct |
37 |
Correct |
6 ms |
760 KB |
Output is correct |
38 |
Correct |
19 ms |
768 KB |
Output is correct |
39 |
Correct |
29 ms |
860 KB |
Output is correct |
40 |
Correct |
36 ms |
708 KB |
Output is correct |
41 |
Correct |
5 ms |
604 KB |
Output is correct |
42 |
Correct |
5 ms |
604 KB |
Output is correct |
43 |
Correct |
6 ms |
604 KB |
Output is correct |
44 |
Correct |
5 ms |
608 KB |
Output is correct |
45 |
Correct |
5 ms |
656 KB |
Output is correct |
46 |
Correct |
5 ms |
652 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
6 ms |
636 KB |
Output is correct |
49 |
Correct |
5 ms |
664 KB |
Output is correct |
50 |
Correct |
5 ms |
652 KB |
Output is correct |
51 |
Correct |
23 ms |
764 KB |
Output is correct |
52 |
Correct |
25 ms |
860 KB |
Output is correct |
53 |
Correct |
28 ms |
860 KB |
Output is correct |
54 |
Correct |
27 ms |
856 KB |
Output is correct |
55 |
Correct |
27 ms |
860 KB |
Output is correct |
56 |
Correct |
28 ms |
792 KB |
Output is correct |
57 |
Correct |
24 ms |
852 KB |
Output is correct |
58 |
Correct |
27 ms |
860 KB |
Output is correct |
59 |
Correct |
19 ms |
860 KB |
Output is correct |
60 |
Correct |
14 ms |
776 KB |
Output is correct |
61 |
Correct |
11 ms |
848 KB |
Output is correct |
62 |
Correct |
7 ms |
604 KB |
Output is correct |
63 |
Correct |
21 ms |
836 KB |
Output is correct |
64 |
Correct |
24 ms |
860 KB |
Output is correct |
65 |
Correct |
24 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
0 ms |
348 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
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 |
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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
388 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
6 ms |
604 KB |
Output is correct |
37 |
Correct |
6 ms |
760 KB |
Output is correct |
38 |
Correct |
19 ms |
768 KB |
Output is correct |
39 |
Correct |
29 ms |
860 KB |
Output is correct |
40 |
Correct |
36 ms |
708 KB |
Output is correct |
41 |
Correct |
5 ms |
604 KB |
Output is correct |
42 |
Correct |
5 ms |
604 KB |
Output is correct |
43 |
Correct |
6 ms |
604 KB |
Output is correct |
44 |
Correct |
5 ms |
608 KB |
Output is correct |
45 |
Correct |
5 ms |
656 KB |
Output is correct |
46 |
Correct |
5 ms |
652 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
6 ms |
636 KB |
Output is correct |
49 |
Correct |
5 ms |
664 KB |
Output is correct |
50 |
Correct |
5 ms |
652 KB |
Output is correct |
51 |
Correct |
23 ms |
764 KB |
Output is correct |
52 |
Correct |
25 ms |
860 KB |
Output is correct |
53 |
Correct |
28 ms |
860 KB |
Output is correct |
54 |
Correct |
27 ms |
856 KB |
Output is correct |
55 |
Correct |
27 ms |
860 KB |
Output is correct |
56 |
Correct |
28 ms |
792 KB |
Output is correct |
57 |
Correct |
24 ms |
852 KB |
Output is correct |
58 |
Correct |
27 ms |
860 KB |
Output is correct |
59 |
Correct |
19 ms |
860 KB |
Output is correct |
60 |
Correct |
14 ms |
776 KB |
Output is correct |
61 |
Correct |
11 ms |
848 KB |
Output is correct |
62 |
Correct |
7 ms |
604 KB |
Output is correct |
63 |
Correct |
21 ms |
836 KB |
Output is correct |
64 |
Correct |
24 ms |
860 KB |
Output is correct |
65 |
Correct |
24 ms |
860 KB |
Output is correct |
66 |
Execution timed out |
1049 ms |
1476 KB |
Time limit exceeded |
67 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
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 |
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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
0 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
0 ms |
388 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
0 ms |
348 KB |
Output is correct |
36 |
Correct |
6 ms |
604 KB |
Output is correct |
37 |
Correct |
6 ms |
760 KB |
Output is correct |
38 |
Correct |
19 ms |
768 KB |
Output is correct |
39 |
Correct |
29 ms |
860 KB |
Output is correct |
40 |
Correct |
36 ms |
708 KB |
Output is correct |
41 |
Correct |
5 ms |
604 KB |
Output is correct |
42 |
Correct |
5 ms |
604 KB |
Output is correct |
43 |
Correct |
6 ms |
604 KB |
Output is correct |
44 |
Correct |
5 ms |
608 KB |
Output is correct |
45 |
Correct |
5 ms |
656 KB |
Output is correct |
46 |
Correct |
5 ms |
652 KB |
Output is correct |
47 |
Correct |
0 ms |
348 KB |
Output is correct |
48 |
Correct |
6 ms |
636 KB |
Output is correct |
49 |
Correct |
5 ms |
664 KB |
Output is correct |
50 |
Correct |
5 ms |
652 KB |
Output is correct |
51 |
Correct |
23 ms |
764 KB |
Output is correct |
52 |
Correct |
25 ms |
860 KB |
Output is correct |
53 |
Correct |
28 ms |
860 KB |
Output is correct |
54 |
Correct |
27 ms |
856 KB |
Output is correct |
55 |
Correct |
27 ms |
860 KB |
Output is correct |
56 |
Correct |
28 ms |
792 KB |
Output is correct |
57 |
Correct |
24 ms |
852 KB |
Output is correct |
58 |
Correct |
27 ms |
860 KB |
Output is correct |
59 |
Correct |
19 ms |
860 KB |
Output is correct |
60 |
Correct |
14 ms |
776 KB |
Output is correct |
61 |
Correct |
11 ms |
848 KB |
Output is correct |
62 |
Correct |
7 ms |
604 KB |
Output is correct |
63 |
Correct |
21 ms |
836 KB |
Output is correct |
64 |
Correct |
24 ms |
860 KB |
Output is correct |
65 |
Correct |
24 ms |
860 KB |
Output is correct |
66 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
67 |
Halted |
0 ms |
0 KB |
- |