oj.uz

Submission #405389

# Submission time Handle Problem Language Result Execution time Memory
405389 2021-05-16T10:28:42 Z saleh Duathlon (APIO18_duathlon) C++17
16 / 100
 168 ms 452 KB 
#include <bits/stdc++.h>

#define ft first
#define sd second

using namespace std;

typedef pair<int, int> pii;

const int MAXN = 50 + 3;
















int n, m, ans;
vector<int> g[MAXN];
bitset<MAXN> mark;

void dfs(int v) {
	mark[v] = true;
	for (auto i : g[v]) if (!mark[i]) dfs(i);
}


int main() {
	cin >> n >> m;
	if (n >= MAXN || m >= (MAXN << 1)) return 0;
	ans = (n - 2) * (n - 1) * n;
	for (int i = 0; i < m; i++) {
		int u, v;
		cin >> u >> v;
		g[--u].push_back(--v), g[v].push_back(u);
	}
	for (int i = 0; i < n; i++) {
		set<pii> s;
		for (int j = 0; j < n; j++) if (i != j) {
			mark.reset();
			mark[j] = true;
			dfs(i);
			mark[j] = false;
			for (int a = 0; a < n; a++) if (!mark[a]) for (int b = a + 1; b < n; b++) if (!mark[b]) s.insert({a, b});
		}
		ans -= s.size() * 2;
	}
	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 400 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 216 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 2 ms 204 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 400 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 216 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 2 ms 204 KB Output is correct
36 Correct 154 ms 332 KB Output is correct
37 Correct 147 ms 332 KB Output is correct
38 Correct 36 ms 332 KB Output is correct
39 Correct 9 ms 332 KB Output is correct
40 Correct 11 ms 356 KB Output is correct
41 Correct 125 ms 332 KB Output is correct
42 Correct 119 ms 332 KB Output is correct
43 Correct 118 ms 332 KB Output is correct
44 Correct 116 ms 332 KB Output is correct
45 Correct 112 ms 332 KB Output is correct
46 Correct 114 ms 332 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 154 ms 296 KB Output is correct
49 Correct 168 ms 332 KB Output is correct
50 Correct 152 ms 452 KB Output is correct
51 Correct 14 ms 332 KB Output is correct
52 Correct 10 ms 296 KB Output is correct
53 Correct 8 ms 352 KB Output is correct
54 Correct 8 ms 332 KB Output is correct
55 Correct 8 ms 300 KB Output is correct
56 Correct 5 ms 332 KB Output is correct
57 Correct 16 ms 332 KB Output is correct
58 Correct 16 ms 352 KB Output is correct
59 Correct 37 ms 332 KB Output is correct
60 Correct 64 ms 332 KB Output is correct
61 Correct 104 ms 332 KB Output is correct
62 Correct 139 ms 332 KB Output is correct
63 Correct 9 ms 332 KB Output is correct
64 Correct 10 ms 300 KB Output is correct
65 Correct 12 ms 352 KB Output is correct

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 400 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 216 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 2 ms 204 KB Output is correct
36 Correct 154 ms 332 KB Output is correct
37 Correct 147 ms 332 KB Output is correct
38 Correct 36 ms 332 KB Output is correct
39 Correct 9 ms 332 KB Output is correct
40 Correct 11 ms 356 KB Output is correct
41 Correct 125 ms 332 KB Output is correct
42 Correct 119 ms 332 KB Output is correct
43 Correct 118 ms 332 KB Output is correct
44 Correct 116 ms 332 KB Output is correct
45 Correct 112 ms 332 KB Output is correct
46 Correct 114 ms 332 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 154 ms 296 KB Output is correct
49 Correct 168 ms 332 KB Output is correct
50 Correct 152 ms 452 KB Output is correct
51 Correct 14 ms 332 KB Output is correct
52 Correct 10 ms 296 KB Output is correct
53 Correct 8 ms 352 KB Output is correct
54 Correct 8 ms 332 KB Output is correct
55 Correct 8 ms 300 KB Output is correct
56 Correct 5 ms 332 KB Output is correct
57 Correct 16 ms 332 KB Output is correct
58 Correct 16 ms 352 KB Output is correct
59 Correct 37 ms 332 KB Output is correct
60 Correct 64 ms 332 KB Output is correct
61 Correct 104 ms 332 KB Output is correct
62 Correct 139 ms 332 KB Output is correct
63 Correct 9 ms 332 KB Output is correct
64 Correct 10 ms 300 KB Output is correct
65 Correct 12 ms 352 KB Output is correct
66 Incorrect 1 ms 328 KB Output isn't correct
67 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 400 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 216 KB Output is correct
33 Correct 1 ms 300 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 2 ms 204 KB Output is correct
36 Correct 154 ms 332 KB Output is correct
37 Correct 147 ms 332 KB Output is correct
38 Correct 36 ms 332 KB Output is correct
39 Correct 9 ms 332 KB Output is correct
40 Correct 11 ms 356 KB Output is correct
41 Correct 125 ms 332 KB Output is correct
42 Correct 119 ms 332 KB Output is correct
43 Correct 118 ms 332 KB Output is correct
44 Correct 116 ms 332 KB Output is correct
45 Correct 112 ms 332 KB Output is correct
46 Correct 114 ms 332 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 154 ms 296 KB Output is correct
49 Correct 168 ms 332 KB Output is correct
50 Correct 152 ms 452 KB Output is correct
51 Correct 14 ms 332 KB Output is correct
52 Correct 10 ms 296 KB Output is correct
53 Correct 8 ms 352 KB Output is correct
54 Correct 8 ms 332 KB Output is correct
55 Correct 8 ms 300 KB Output is correct
56 Correct 5 ms 332 KB Output is correct
57 Correct 16 ms 332 KB Output is correct
58 Correct 16 ms 352 KB Output is correct
59 Correct 37 ms 332 KB Output is correct
60 Correct 64 ms 332 KB Output is correct
61 Correct 104 ms 332 KB Output is correct
62 Correct 139 ms 332 KB Output is correct
63 Correct 9 ms 332 KB Output is correct
64 Correct 10 ms 300 KB Output is correct
65 Correct 12 ms 352 KB Output is correct
66 Incorrect 1 ms 204 KB Output isn't correct
67 Halted 0 ms 0 KB -