답안 #158233

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
158233	2019-10-15T16:09:03 Z	maruii	철인 이종 경기 (APIO18_duathlon)	C++14	49 / 100	1000 ms	1048576 KB

count_triplets

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define ff first
#define ss second

int n, N, M, dfn[100005], dfnn, low[100005], cpnn, sz[100005], Gn;
vector<int> edge[100005], bdge[200005];
ll ans;
bool vis[100005];

void dfs(int x, int p) {
	dfn[x] = low[x] = ++dfnn;
	N++;
	for (auto i : edge[x]) {
		if (i == p) continue;
		if (dfn[i]) {
			if (dfn[i] < dfn[x]) low[x] = min(low[x], dfn[i]);
			continue;
		}
		dfs(i, x);
		low[x] = min(low[x], low[i]);
	}
}

void bcc(int x, int c) {
	vis[x] = 1;
	if (c) {
		bdge[c].push_back(x);
		bdge[x].push_back(c);
	}
	for (auto i : edge[x]) {
		if (vis[i]) continue;
		if (low[i] >= dfn[x]) {
			++cpnn;
			bdge[x].push_back(cpnn);
			bdge[cpnn].push_back(x);
			bcc(i, cpnn);
		}
		else bcc(i, c);
	}
}

void calc(int x, int p) {
	sz[x] = x <= n;
	for (auto i : bdge[x]) {
		if (i == p) continue;
		calc(i, x);
		sz[x] += sz[i];
	}
	if (x > n) for (auto i : bdge[x]) {
		if (i == p) ans -= 1ll * (bdge[x].size() - 1) * (N - sz[x]) * (N - sz[x] - 1);
		else ans -= 1ll * (bdge[x].size() - 1) * sz[i] * (sz[i] - 1);
	}
}

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n >> M;
	for (int i = 0; i < M; ++i) {
		int x, y; cin >> x >> y;
		edge[x].push_back(y);
		edge[y].push_back(x);
	}
	cpnn = n;
	for (int i = 1; i <= n; ++i) {
		if (dfn[i]) continue;
		N = 0;
		dfs(i, 0);
		ans += 1ll * N * (N - 1) * (N - 2);
		bcc(i, 0);
		calc(i, 0);
	}
	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	7416 KB	Output is correct
2	Correct	8 ms	7416 KB	Output is correct
3	Correct	8 ms	7416 KB	Output is correct
4	Correct	8 ms	7416 KB	Output is correct
5	Correct	8 ms	7416 KB	Output is correct
6	Correct	8 ms	7416 KB	Output is correct
7	Correct	8 ms	7416 KB	Output is correct
8	Correct	9 ms	7388 KB	Output is correct
9	Correct	8 ms	7544 KB	Output is correct
10	Correct	9 ms	7416 KB	Output is correct
11	Correct	9 ms	7416 KB	Output is correct
12	Correct	8 ms	7416 KB	Output is correct
13	Correct	8 ms	7416 KB	Output is correct
14	Correct	9 ms	7416 KB	Output is correct
15	Correct	8 ms	7416 KB	Output is correct
16	Correct	9 ms	7416 KB	Output is correct
17	Correct	8 ms	7420 KB	Output is correct
18	Correct	8 ms	7416 KB	Output is correct
19	Correct	8 ms	7416 KB	Output is correct
20	Correct	8 ms	7416 KB	Output is correct
21	Correct	8 ms	7416 KB	Output is correct
22	Correct	9 ms	7416 KB	Output is correct
23	Correct	9 ms	7416 KB	Output is correct
24	Correct	9 ms	7416 KB	Output is correct
25	Correct	10 ms	7416 KB	Output is correct
26	Correct	10 ms	7544 KB	Output is correct
27	Correct	10 ms	7416 KB	Output is correct
28	Correct	9 ms	7416 KB	Output is correct
29	Correct	10 ms	7416 KB	Output is correct
30	Correct	11 ms	7416 KB	Output is correct
31	Correct	10 ms	7416 KB	Output is correct
32	Correct	10 ms	7416 KB	Output is correct
33	Correct	10 ms	7416 KB	Output is correct
34	Correct	8 ms	7416 KB	Output is correct
35	Correct	8 ms	7416 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	7416 KB	Output is correct
2	Correct	8 ms	7416 KB	Output is correct
3	Correct	8 ms	7416 KB	Output is correct
4	Correct	8 ms	7416 KB	Output is correct
5	Correct	8 ms	7416 KB	Output is correct
6	Correct	8 ms	7416 KB	Output is correct
7	Correct	8 ms	7416 KB	Output is correct
8	Correct	9 ms	7388 KB	Output is correct
9	Correct	8 ms	7544 KB	Output is correct
10	Correct	9 ms	7416 KB	Output is correct
11	Correct	9 ms	7416 KB	Output is correct
12	Correct	8 ms	7416 KB	Output is correct
13	Correct	8 ms	7416 KB	Output is correct
14	Correct	9 ms	7416 KB	Output is correct
15	Correct	8 ms	7416 KB	Output is correct
16	Correct	9 ms	7416 KB	Output is correct
17	Correct	8 ms	7420 KB	Output is correct
18	Correct	8 ms	7416 KB	Output is correct
19	Correct	8 ms	7416 KB	Output is correct
20	Correct	8 ms	7416 KB	Output is correct
21	Correct	8 ms	7416 KB	Output is correct
22	Correct	9 ms	7416 KB	Output is correct
23	Correct	9 ms	7416 KB	Output is correct
24	Correct	9 ms	7416 KB	Output is correct
25	Correct	10 ms	7416 KB	Output is correct
26	Correct	10 ms	7544 KB	Output is correct
27	Correct	10 ms	7416 KB	Output is correct
28	Correct	9 ms	7416 KB	Output is correct
29	Correct	10 ms	7416 KB	Output is correct
30	Correct	11 ms	7416 KB	Output is correct
31	Correct	10 ms	7416 KB	Output is correct
32	Correct	10 ms	7416 KB	Output is correct
33	Correct	10 ms	7416 KB	Output is correct
34	Correct	8 ms	7416 KB	Output is correct
35	Correct	8 ms	7416 KB	Output is correct
36	Correct	8 ms	7416 KB	Output is correct
37	Correct	8 ms	7416 KB	Output is correct
38	Correct	9 ms	7428 KB	Output is correct
39	Correct	10 ms	7420 KB	Output is correct
40	Correct	11 ms	7432 KB	Output is correct
41	Correct	11 ms	7416 KB	Output is correct
42	Correct	8 ms	7416 KB	Output is correct
43	Correct	9 ms	7416 KB	Output is correct
44	Correct	10 ms	7416 KB	Output is correct
45	Correct	10 ms	7416 KB	Output is correct
46	Correct	9 ms	7416 KB	Output is correct
47	Correct	9 ms	7416 KB	Output is correct
48	Correct	8 ms	7416 KB	Output is correct
49	Correct	9 ms	7416 KB	Output is correct
50	Correct	8 ms	7416 KB	Output is correct
51	Correct	8 ms	7416 KB	Output is correct
52	Correct	8 ms	7416 KB	Output is correct
53	Correct	8 ms	7416 KB	Output is correct
54	Correct	8 ms	7420 KB	Output is correct
55	Correct	10 ms	7416 KB	Output is correct
56	Correct	10 ms	7416 KB	Output is correct
57	Correct	8 ms	7416 KB	Output is correct
58	Correct	8 ms	7416 KB	Output is correct
59	Correct	8 ms	7416 KB	Output is correct
60	Correct	8 ms	7416 KB	Output is correct
61	Correct	8 ms	7416 KB	Output is correct
62	Correct	8 ms	7416 KB	Output is correct
63	Correct	9 ms	7416 KB	Output is correct
64	Correct	8 ms	7416 KB	Output is correct
65	Correct	8 ms	7420 KB	Output is correct

Subtask #3
0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	134 ms	23056 KB	Output is correct
2	Correct	120 ms	22896 KB	Output is correct
3	Correct	180 ms	24456 KB	Output is correct
4	Incorrect	129 ms	21876 KB	Output isn't correct
5	Halted	0 ms	0 KB	-

Subtask #4
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7544 KB	Output is correct
2	Correct	9 ms	7544 KB	Output is correct
3	Correct	9 ms	7544 KB	Output is correct
4	Correct	9 ms	7672 KB	Output is correct
5	Correct	10 ms	7672 KB	Output is correct
6	Correct	11 ms	7544 KB	Output is correct
7	Correct	11 ms	7672 KB	Output is correct
8	Correct	9 ms	7676 KB	Output is correct
9	Correct	9 ms	7544 KB	Output is correct
10	Correct	9 ms	7544 KB	Output is correct
11	Correct	9 ms	7544 KB	Output is correct
12	Correct	9 ms	7672 KB	Output is correct
13	Correct	9 ms	7468 KB	Output is correct
14	Correct	9 ms	7544 KB	Output is correct
15	Correct	9 ms	7544 KB	Output is correct
16	Correct	9 ms	7544 KB	Output is correct
17	Correct	8 ms	7544 KB	Output is correct
18	Correct	9 ms	7544 KB	Output is correct
19	Correct	9 ms	7544 KB	Output is correct
20	Correct	10 ms	7532 KB	Output is correct

Subtask #5
0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	130 ms	19648 KB	Output is correct
2	Correct	131 ms	19448 KB	Output is correct
3	Correct	139 ms	19704 KB	Output is correct
4	Correct	137 ms	19548 KB	Output is correct
5	Correct	174 ms	19596 KB	Output is correct
6	Correct	161 ms	27872 KB	Output is correct
7	Correct	152 ms	24956 KB	Output is correct
8	Correct	155 ms	23568 KB	Output is correct
9	Correct	142 ms	22188 KB	Output is correct
10	Execution timed out	1086 ms	1048576 KB	Time limit exceeded
11	Halted	0 ms	0 KB	-

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	7544 KB	Output is correct
2	Correct	9 ms	7544 KB	Output is correct
3	Correct	13 ms	7544 KB	Output is correct
4	Correct	9 ms	7524 KB	Output is correct
5	Correct	11 ms	7416 KB	Output is correct
6	Correct	11 ms	7544 KB	Output is correct
7	Correct	9 ms	7416 KB	Output is correct
8	Correct	11 ms	7548 KB	Output is correct
9	Correct	12 ms	7516 KB	Output is correct
10	Correct	10 ms	7548 KB	Output is correct
11	Correct	24 ms	7516 KB	Output is correct
12	Correct	11 ms	7544 KB	Output is correct
13	Correct	10 ms	7544 KB	Output is correct
14	Correct	9 ms	7548 KB	Output is correct
15	Correct	9 ms	7544 KB	Output is correct
16	Correct	9 ms	7516 KB	Output is correct
17	Correct	9 ms	7544 KB	Output is correct
18	Correct	9 ms	7544 KB	Output is correct
19	Correct	9 ms	7544 KB	Output is correct
20	Correct	9 ms	7544 KB	Output is correct
21	Correct	9 ms	7544 KB	Output is correct
22	Correct	10 ms	7548 KB	Output is correct
23	Correct	11 ms	7516 KB	Output is correct
24	Correct	10 ms	7544 KB	Output is correct
25	Correct	9 ms	7416 KB	Output is correct
26	Correct	8 ms	7416 KB	Output is correct
27	Correct	8 ms	7416 KB	Output is correct

Subtask #7
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	141 ms	19476 KB	Output is correct
2	Correct	141 ms	19448 KB	Output is correct
3	Correct	210 ms	19064 KB	Output is correct
4	Correct	218 ms	18424 KB	Output is correct
5	Correct	203 ms	17748 KB	Output is correct
6	Correct	187 ms	17464 KB	Output is correct
7	Correct	119 ms	17320 KB	Output is correct
8	Correct	134 ms	17028 KB	Output is correct
9	Correct	162 ms	17016 KB	Output is correct
10	Correct	176 ms	17020 KB	Output is correct
11	Correct	119 ms	16888 KB	Output is correct
12	Correct	99 ms	17048 KB	Output is correct
13	Correct	105 ms	16888 KB	Output is correct
14	Correct	103 ms	18296 KB	Output is correct
15	Correct	166 ms	24952 KB	Output is correct
16	Correct	168 ms	22896 KB	Output is correct
17	Correct	146 ms	23832 KB	Output is correct
18	Correct	140 ms	22008 KB	Output is correct
19	Execution timed out	1142 ms	1043328 KB	Time limit exceeded
20	Halted	0 ms	0 KB	-

Subtask #8
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	7416 KB	Output is correct
2	Correct	8 ms	7416 KB	Output is correct
3	Correct	8 ms	7416 KB	Output is correct
4	Correct	8 ms	7416 KB	Output is correct
5	Correct	8 ms	7416 KB	Output is correct
6	Correct	8 ms	7416 KB	Output is correct
7	Correct	8 ms	7416 KB	Output is correct
8	Correct	9 ms	7388 KB	Output is correct
9	Correct	8 ms	7544 KB	Output is correct
10	Correct	9 ms	7416 KB	Output is correct
11	Correct	9 ms	7416 KB	Output is correct
12	Correct	8 ms	7416 KB	Output is correct
13	Correct	8 ms	7416 KB	Output is correct
14	Correct	9 ms	7416 KB	Output is correct
15	Correct	8 ms	7416 KB	Output is correct
16	Correct	9 ms	7416 KB	Output is correct
17	Correct	8 ms	7420 KB	Output is correct
18	Correct	8 ms	7416 KB	Output is correct
19	Correct	8 ms	7416 KB	Output is correct
20	Correct	8 ms	7416 KB	Output is correct
21	Correct	8 ms	7416 KB	Output is correct
22	Correct	9 ms	7416 KB	Output is correct
23	Correct	9 ms	7416 KB	Output is correct
24	Correct	9 ms	7416 KB	Output is correct
25	Correct	10 ms	7416 KB	Output is correct
26	Correct	10 ms	7544 KB	Output is correct
27	Correct	10 ms	7416 KB	Output is correct
28	Correct	9 ms	7416 KB	Output is correct
29	Correct	10 ms	7416 KB	Output is correct
30	Correct	11 ms	7416 KB	Output is correct
31	Correct	10 ms	7416 KB	Output is correct
32	Correct	10 ms	7416 KB	Output is correct
33	Correct	10 ms	7416 KB	Output is correct
34	Correct	8 ms	7416 KB	Output is correct
35	Correct	8 ms	7416 KB	Output is correct
36	Correct	8 ms	7416 KB	Output is correct
37	Correct	8 ms	7416 KB	Output is correct
38	Correct	9 ms	7428 KB	Output is correct
39	Correct	10 ms	7420 KB	Output is correct
40	Correct	11 ms	7432 KB	Output is correct
41	Correct	11 ms	7416 KB	Output is correct
42	Correct	8 ms	7416 KB	Output is correct
43	Correct	9 ms	7416 KB	Output is correct
44	Correct	10 ms	7416 KB	Output is correct
45	Correct	10 ms	7416 KB	Output is correct
46	Correct	9 ms	7416 KB	Output is correct
47	Correct	9 ms	7416 KB	Output is correct
48	Correct	8 ms	7416 KB	Output is correct
49	Correct	9 ms	7416 KB	Output is correct
50	Correct	8 ms	7416 KB	Output is correct
51	Correct	8 ms	7416 KB	Output is correct
52	Correct	8 ms	7416 KB	Output is correct
53	Correct	8 ms	7416 KB	Output is correct
54	Correct	8 ms	7420 KB	Output is correct
55	Correct	10 ms	7416 KB	Output is correct
56	Correct	10 ms	7416 KB	Output is correct
57	Correct	8 ms	7416 KB	Output is correct
58	Correct	8 ms	7416 KB	Output is correct
59	Correct	8 ms	7416 KB	Output is correct
60	Correct	8 ms	7416 KB	Output is correct
61	Correct	8 ms	7416 KB	Output is correct
62	Correct	8 ms	7416 KB	Output is correct
63	Correct	9 ms	7416 KB	Output is correct
64	Correct	8 ms	7416 KB	Output is correct
65	Correct	8 ms	7420 KB	Output is correct
66	Correct	8 ms	7392 KB	Output is correct
67	Correct	9 ms	7544 KB	Output is correct
68	Correct	9 ms	7544 KB	Output is correct
69	Correct	9 ms	7544 KB	Output is correct
70	Correct	9 ms	7672 KB	Output is correct
71	Correct	9 ms	7544 KB	Output is correct
72	Correct	11 ms	7544 KB	Output is correct
73	Correct	10 ms	7416 KB	Output is correct
74	Correct	11 ms	7544 KB	Output is correct
75	Correct	11 ms	7416 KB	Output is correct
76	Correct	9 ms	7416 KB	Output is correct
77	Correct	10 ms	7544 KB	Output is correct
78	Correct	9 ms	7544 KB	Output is correct
79	Correct	9 ms	7544 KB	Output is correct
80	Correct	11 ms	7544 KB	Output is correct
81	Correct	10 ms	7544 KB	Output is correct
82	Correct	10 ms	7544 KB	Output is correct
83	Correct	11 ms	7576 KB	Output is correct
84	Correct	9 ms	7544 KB	Output is correct
85	Correct	11 ms	7544 KB	Output is correct
86	Correct	11 ms	7548 KB	Output is correct
87	Correct	11 ms	7544 KB	Output is correct
88	Correct	12 ms	7544 KB	Output is correct
89	Correct	11 ms	7544 KB	Output is correct
90	Correct	11 ms	7544 KB	Output is correct
91	Correct	9 ms	7544 KB	Output is correct
92	Correct	11 ms	7544 KB	Output is correct

Subtask #9
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	7416 KB	Output is correct
2	Correct	8 ms	7416 KB	Output is correct
3	Correct	8 ms	7416 KB	Output is correct
4	Correct	8 ms	7416 KB	Output is correct
5	Correct	8 ms	7416 KB	Output is correct
6	Correct	8 ms	7416 KB	Output is correct
7	Correct	8 ms	7416 KB	Output is correct
8	Correct	9 ms	7388 KB	Output is correct
9	Correct	8 ms	7544 KB	Output is correct
10	Correct	9 ms	7416 KB	Output is correct
11	Correct	9 ms	7416 KB	Output is correct
12	Correct	8 ms	7416 KB	Output is correct
13	Correct	8 ms	7416 KB	Output is correct
14	Correct	9 ms	7416 KB	Output is correct
15	Correct	8 ms	7416 KB	Output is correct
16	Correct	9 ms	7416 KB	Output is correct
17	Correct	8 ms	7420 KB	Output is correct
18	Correct	8 ms	7416 KB	Output is correct
19	Correct	8 ms	7416 KB	Output is correct
20	Correct	8 ms	7416 KB	Output is correct
21	Correct	8 ms	7416 KB	Output is correct
22	Correct	9 ms	7416 KB	Output is correct
23	Correct	9 ms	7416 KB	Output is correct
24	Correct	9 ms	7416 KB	Output is correct
25	Correct	10 ms	7416 KB	Output is correct
26	Correct	10 ms	7544 KB	Output is correct
27	Correct	10 ms	7416 KB	Output is correct
28	Correct	9 ms	7416 KB	Output is correct
29	Correct	10 ms	7416 KB	Output is correct
30	Correct	11 ms	7416 KB	Output is correct
31	Correct	10 ms	7416 KB	Output is correct
32	Correct	10 ms	7416 KB	Output is correct
33	Correct	10 ms	7416 KB	Output is correct
34	Correct	8 ms	7416 KB	Output is correct
35	Correct	8 ms	7416 KB	Output is correct
36	Correct	8 ms	7416 KB	Output is correct
37	Correct	8 ms	7416 KB	Output is correct
38	Correct	9 ms	7428 KB	Output is correct
39	Correct	10 ms	7420 KB	Output is correct
40	Correct	11 ms	7432 KB	Output is correct
41	Correct	11 ms	7416 KB	Output is correct
42	Correct	8 ms	7416 KB	Output is correct
43	Correct	9 ms	7416 KB	Output is correct
44	Correct	10 ms	7416 KB	Output is correct
45	Correct	10 ms	7416 KB	Output is correct
46	Correct	9 ms	7416 KB	Output is correct
47	Correct	9 ms	7416 KB	Output is correct
48	Correct	8 ms	7416 KB	Output is correct
49	Correct	9 ms	7416 KB	Output is correct
50	Correct	8 ms	7416 KB	Output is correct
51	Correct	8 ms	7416 KB	Output is correct
52	Correct	8 ms	7416 KB	Output is correct
53	Correct	8 ms	7416 KB	Output is correct
54	Correct	8 ms	7420 KB	Output is correct
55	Correct	10 ms	7416 KB	Output is correct
56	Correct	10 ms	7416 KB	Output is correct
57	Correct	8 ms	7416 KB	Output is correct
58	Correct	8 ms	7416 KB	Output is correct
59	Correct	8 ms	7416 KB	Output is correct
60	Correct	8 ms	7416 KB	Output is correct
61	Correct	8 ms	7416 KB	Output is correct
62	Correct	8 ms	7416 KB	Output is correct
63	Correct	9 ms	7416 KB	Output is correct
64	Correct	8 ms	7416 KB	Output is correct
65	Correct	8 ms	7420 KB	Output is correct
66	Correct	134 ms	23056 KB	Output is correct
67	Correct	120 ms	22896 KB	Output is correct
68	Correct	180 ms	24456 KB	Output is correct
69	Incorrect	129 ms	21876 KB	Output isn't correct
70	Halted	0 ms	0 KB	-

답안 #158233

Compilation message