oj.uz

답안 #248538

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
248538 2020-07-12T16:36:58 Z maximath_1 철인 이종 경기 (APIO18_duathlon) C++11
49 / 100
 1000 ms 1048580 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long

int n, m, tin[100005], low[100005];
vector<int> adj[100005], adj_bcc[100005];
vector<int> euler_tour;
int bcc_id = 0, tim = 1, cnt = 0;
ll sz[200005], ans;

void dfs(int nw, int bf){
	tin[nw] = low[nw] = tim ++;
	euler_tour.push_back(nw);
	cnt ++;

	for(int nx : adj[nw]) if(nx != bf){
//		cout << nx << " " << nw << " " << tin[nx] << " " << low[nx] << endl;
		if(tin[nx] == 0){
//			cout << "hi\n";
			dfs(nx, nw);
			low[nw] = min(low[nw], low[nx]);
			if(low[nx] >= tin[nw]){
				adj_bcc[nw].push_back(bcc_id);
				while(adj_bcc[bcc_id].empty() || adj_bcc[bcc_id].back() != nx){
					adj_bcc[bcc_id].push_back(euler_tour.back());
					euler_tour.pop_back();
				}
				bcc_id ++;
			}
		}else{
//			cout << "hey\n";
			low[nw] = min(low[nw], tin[nx]);
		}
	}
}

void exc(int nw){
	if(nw < n) sz[nw] = 1;
	for(int nx : adj_bcc[nw]){
		exc(nx);
		sz[nw] += sz[nx];
		if(nw >= n)
			ans -= sz[nx] * 1ll * (sz[nx] - 1) * 1ll * (ll)adj_bcc[nw].size();
	}

	if(nw >= n)
		ans -= (cnt - sz[nw]) * 1ll * (cnt - sz[nw] - 1) * 1ll * (ll)adj_bcc[nw].size();
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);

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

	bcc_id = n;
	for(int i = 0; i < n; i ++) if(!tin[i]){
		cnt = 0;
		dfs(i, -1);
		ans += cnt * 1ll * (cnt - 1) * 1ll * (cnt - 2);
		exc(i);
	}

	cout << ans << endl;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 5120 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 5120 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 5120 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 3 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 5120 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 5120 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 5120 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 3 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 3 ms 5104 KB Output is correct
38 Correct 3 ms 4992 KB Output is correct
39 Correct 3 ms 4992 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 3 ms 4992 KB Output is correct
42 Correct 3 ms 4992 KB Output is correct
43 Correct 5 ms 4992 KB Output is correct
44 Correct 3 ms 4992 KB Output is correct
45 Correct 3 ms 4992 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 3 ms 4992 KB Output is correct
48 Correct 3 ms 4992 KB Output is correct
49 Correct 3 ms 4992 KB Output is correct
50 Correct 3 ms 4992 KB Output is correct
51 Correct 3 ms 4992 KB Output is correct
52 Correct 3 ms 4992 KB Output is correct
53 Correct 3 ms 4992 KB Output is correct
54 Correct 3 ms 4992 KB Output is correct
55 Correct 3 ms 4992 KB Output is correct
56 Correct 5 ms 4992 KB Output is correct
57 Correct 3 ms 4992 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 3 ms 5120 KB Output is correct
60 Correct 3 ms 4992 KB Output is correct
61 Correct 3 ms 4992 KB Output is correct
62 Correct 4 ms 4992 KB Output is correct
63 Correct 3 ms 4992 KB Output is correct
64 Correct 4 ms 4992 KB Output is correct
65 Correct 3 ms 5120 KB Output is correct

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 80 ms 18160 KB Output is correct
2 Correct 97 ms 18136 KB Output is correct
3 Execution timed out 1088 ms 14920 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 4 ms 5248 KB Output is correct
5 Correct 3 ms 5248 KB Output is correct
6 Correct 3 ms 5248 KB Output is correct
7 Correct 4 ms 5248 KB Output is correct
8 Correct 4 ms 5248 KB Output is correct
9 Correct 3 ms 5248 KB Output is correct
10 Correct 4 ms 5120 KB Output is correct
11 Correct 4 ms 5376 KB Output is correct
12 Correct 3 ms 5120 KB Output is correct
13 Correct 4 ms 5120 KB Output is correct
14 Correct 4 ms 5120 KB Output is correct
15 Correct 3 ms 5120 KB Output is correct
16 Correct 3 ms 5120 KB Output is correct
17 Correct 3 ms 5120 KB Output is correct
18 Correct 3 ms 5120 KB Output is correct
19 Correct 3 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct

Subtask #5
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 570 ms 1048580 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 4 ms 5108 KB Output is correct
4 Correct 4 ms 5120 KB Output is correct
5 Correct 4 ms 5120 KB Output is correct
6 Correct 4 ms 5120 KB Output is correct
7 Correct 4 ms 5120 KB Output is correct
8 Correct 3 ms 5120 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 3 ms 5120 KB Output is correct
11 Correct 4 ms 5120 KB Output is correct
12 Correct 4 ms 5248 KB Output is correct
13 Correct 4 ms 5248 KB Output is correct
14 Correct 5 ms 5248 KB Output is correct
15 Correct 4 ms 5248 KB Output is correct
16 Correct 4 ms 5120 KB Output is correct
17 Correct 4 ms 5120 KB Output is correct
18 Correct 4 ms 5120 KB Output is correct
19 Correct 4 ms 5120 KB Output is correct
20 Correct 4 ms 5120 KB Output is correct
21 Correct 4 ms 5120 KB Output is correct
22 Correct 4 ms 5120 KB Output is correct
23 Correct 4 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 4 ms 5120 KB Output is correct
26 Correct 3 ms 5120 KB Output is correct
27 Correct 3 ms 5120 KB Output is correct

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 555 ms 1048580 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 5120 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 5120 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 5120 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 3 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 3 ms 5104 KB Output is correct
38 Correct 3 ms 4992 KB Output is correct
39 Correct 3 ms 4992 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 3 ms 4992 KB Output is correct
42 Correct 3 ms 4992 KB Output is correct
43 Correct 5 ms 4992 KB Output is correct
44 Correct 3 ms 4992 KB Output is correct
45 Correct 3 ms 4992 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 3 ms 4992 KB Output is correct
48 Correct 3 ms 4992 KB Output is correct
49 Correct 3 ms 4992 KB Output is correct
50 Correct 3 ms 4992 KB Output is correct
51 Correct 3 ms 4992 KB Output is correct
52 Correct 3 ms 4992 KB Output is correct
53 Correct 3 ms 4992 KB Output is correct
54 Correct 3 ms 4992 KB Output is correct
55 Correct 3 ms 4992 KB Output is correct
56 Correct 5 ms 4992 KB Output is correct
57 Correct 3 ms 4992 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 3 ms 5120 KB Output is correct
60 Correct 3 ms 4992 KB Output is correct
61 Correct 3 ms 4992 KB Output is correct
62 Correct 4 ms 4992 KB Output is correct
63 Correct 3 ms 4992 KB Output is correct
64 Correct 4 ms 4992 KB Output is correct
65 Correct 3 ms 5120 KB Output is correct
66 Correct 3 ms 5120 KB Output is correct
67 Correct 4 ms 5120 KB Output is correct
68 Correct 5 ms 5120 KB Output is correct
69 Correct 4 ms 5120 KB Output is correct
70 Correct 4 ms 5120 KB Output is correct
71 Correct 3 ms 5120 KB Output is correct
72 Correct 4 ms 5120 KB Output is correct
73 Correct 4 ms 5120 KB Output is correct
74 Correct 4 ms 5120 KB Output is correct
75 Correct 4 ms 5120 KB Output is correct
76 Correct 3 ms 4992 KB Output is correct
77 Correct 4 ms 5120 KB Output is correct
78 Correct 4 ms 5120 KB Output is correct
79 Correct 4 ms 5120 KB Output is correct
80 Correct 3 ms 5120 KB Output is correct
81 Correct 3 ms 5120 KB Output is correct
82 Correct 3 ms 5120 KB Output is correct
83 Correct 3 ms 5120 KB Output is correct
84 Correct 3 ms 5120 KB Output is correct
85 Correct 3 ms 5120 KB Output is correct
86 Correct 5 ms 5120 KB Output is correct
87 Correct 4 ms 5120 KB Output is correct
88 Correct 4 ms 5120 KB Output is correct
89 Correct 3 ms 5120 KB Output is correct
90 Correct 3 ms 5120 KB Output is correct
91 Correct 4 ms 5120 KB Output is correct
92 Correct 5 ms 5120 KB Output is correct

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5120 KB Output is correct
2 Correct 3 ms 5120 KB Output is correct
3 Correct 3 ms 5120 KB Output is correct
4 Correct 3 ms 4992 KB Output is correct
5 Correct 3 ms 5120 KB Output is correct
6 Correct 3 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 3 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 3 ms 4992 KB Output is correct
13 Correct 3 ms 5120 KB Output is correct
14 Correct 3 ms 4992 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 3 ms 4992 KB Output is correct
17 Correct 3 ms 4992 KB Output is correct
18 Correct 3 ms 5120 KB Output is correct
19 Correct 3 ms 4992 KB Output is correct
20 Correct 3 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 4 ms 4992 KB Output is correct
23 Correct 3 ms 4992 KB Output is correct
24 Correct 3 ms 4992 KB Output is correct
25 Correct 3 ms 4992 KB Output is correct
26 Correct 3 ms 4992 KB Output is correct
27 Correct 3 ms 4992 KB Output is correct
28 Correct 3 ms 4992 KB Output is correct
29 Correct 3 ms 4992 KB Output is correct
30 Correct 3 ms 4992 KB Output is correct
31 Correct 3 ms 4992 KB Output is correct
32 Correct 3 ms 4992 KB Output is correct
33 Correct 3 ms 4992 KB Output is correct
34 Correct 3 ms 4992 KB Output is correct
35 Correct 3 ms 4992 KB Output is correct
36 Correct 3 ms 4992 KB Output is correct
37 Correct 3 ms 5104 KB Output is correct
38 Correct 3 ms 4992 KB Output is correct
39 Correct 3 ms 4992 KB Output is correct
40 Correct 4 ms 4992 KB Output is correct
41 Correct 3 ms 4992 KB Output is correct
42 Correct 3 ms 4992 KB Output is correct
43 Correct 5 ms 4992 KB Output is correct
44 Correct 3 ms 4992 KB Output is correct
45 Correct 3 ms 4992 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 3 ms 4992 KB Output is correct
48 Correct 3 ms 4992 KB Output is correct
49 Correct 3 ms 4992 KB Output is correct
50 Correct 3 ms 4992 KB Output is correct
51 Correct 3 ms 4992 KB Output is correct
52 Correct 3 ms 4992 KB Output is correct
53 Correct 3 ms 4992 KB Output is correct
54 Correct 3 ms 4992 KB Output is correct
55 Correct 3 ms 4992 KB Output is correct
56 Correct 5 ms 4992 KB Output is correct
57 Correct 3 ms 4992 KB Output is correct
58 Correct 4 ms 5120 KB Output is correct
59 Correct 3 ms 5120 KB Output is correct
60 Correct 3 ms 4992 KB Output is correct
61 Correct 3 ms 4992 KB Output is correct
62 Correct 4 ms 4992 KB Output is correct
63 Correct 3 ms 4992 KB Output is correct
64 Correct 4 ms 4992 KB Output is correct
65 Correct 3 ms 5120 KB Output is correct
66 Correct 80 ms 18160 KB Output is correct
67 Correct 97 ms 18136 KB Output is correct
68 Execution timed out 1088 ms 14920 KB Time limit exceeded
69 Halted 0 ms 0 KB -