Submission #382163

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
382163	2021-03-26T15:42:07 Z	MohamedAhmed04	Cheap flights (LMIO18_pigus_skrydziai)	C++14	53 / 100	322 ms	48492 KB

pigus_skrydziai

#include <bits/stdc++.h>

using namespace std ;

const int MAX = 5e5 + 10 ;

int vis[MAX] , mark[MAX] , dep[MAX] ;
int n , m ;

vector< vector< pair<int , int> > >adj(MAX) ;

long long ans = 0ll ;

void dfs(int node , long long x , long long y)
{
	ans = max(ans , x + y) ;
	vis[node] = mark[node] = 1 ;
	long long sum = 0 ;
	for(auto &child : adj[node])
	{
		int to = child.first ;
		sum += child.second ;
		if(vis[to])
		{
			if(mark[to] && dep[to] == dep[node] - 2)
				ans = max(ans , x + y + child.second) ;
			continue ;
		}
		dep[to] = dep[node] + 1 ;
		dfs(to , y , child.second) ;
	}
	ans = max(ans , sum) ;
	mark[node] = 0 ;
}

int main()
{
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>n>>m ;
	for(int i = 0 ; i < m ; ++i)
	{
		int x , y , z ;
		cin>>x>>y>>z ;
		adj[x].emplace_back(y , z) ;
		adj[y].emplace_back(x , z) ;
	}
	for(int i = 1 ; i <= n ; ++i)
	{
		if(!vis[i])
			dfs(i , 0 , 0) ;
	}
	return cout<<ans<<"\n" , 0 ;
}

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12140 KB	Output is correct
2	Correct	9 ms	12140 KB	Output is correct
3	Correct	9 ms	12140 KB	Output is correct
4	Correct	8 ms	12140 KB	Output is correct
5	Correct	10 ms	12140 KB	Output is correct
6	Correct	14 ms	12524 KB	Output is correct
7	Correct	8 ms	12140 KB	Output is correct
8	Correct	8 ms	12140 KB	Output is correct
9	Correct	8 ms	12140 KB	Output is correct
10	Correct	8 ms	12140 KB	Output is correct
11	Correct	9 ms	12140 KB	Output is correct
12	Correct	9 ms	12140 KB	Output is correct
13	Correct	9 ms	12140 KB	Output is correct
14	Correct	9 ms	12140 KB	Output is correct
15	Correct	8 ms	12140 KB	Output is correct
16	Correct	9 ms	12140 KB	Output is correct
17	Correct	9 ms	12140 KB	Output is correct
18	Correct	9 ms	12140 KB	Output is correct
19	Correct	9 ms	12140 KB	Output is correct
20	Correct	9 ms	12140 KB	Output is correct
21	Correct	9 ms	12140 KB	Output is correct

Subtask #2
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	12140 KB	Output is correct
2	Correct	9 ms	12140 KB	Output is correct
3	Correct	9 ms	12140 KB	Output is correct
4	Correct	8 ms	12140 KB	Output is correct
5	Correct	10 ms	12140 KB	Output is correct
6	Correct	14 ms	12524 KB	Output is correct
7	Correct	8 ms	12140 KB	Output is correct
8	Correct	8 ms	12140 KB	Output is correct
9	Correct	8 ms	12140 KB	Output is correct
10	Correct	8 ms	12140 KB	Output is correct
11	Correct	9 ms	12140 KB	Output is correct
12	Correct	9 ms	12140 KB	Output is correct
13	Correct	9 ms	12140 KB	Output is correct
14	Correct	9 ms	12140 KB	Output is correct
15	Correct	8 ms	12140 KB	Output is correct
16	Correct	9 ms	12140 KB	Output is correct
17	Correct	9 ms	12140 KB	Output is correct
18	Correct	9 ms	12140 KB	Output is correct
19	Correct	9 ms	12140 KB	Output is correct
20	Correct	9 ms	12140 KB	Output is correct
21	Correct	9 ms	12140 KB	Output is correct
22	Correct	185 ms	23672 KB	Output is correct
23	Correct	169 ms	20332 KB	Output is correct
24	Correct	18 ms	12780 KB	Output is correct
25	Correct	11 ms	12396 KB	Output is correct
26	Correct	10 ms	12396 KB	Output is correct
27	Correct	9 ms	12140 KB	Output is correct
28	Correct	75 ms	16620 KB	Output is correct
29	Correct	31 ms	14060 KB	Output is correct
30	Correct	47 ms	14444 KB	Output is correct
31	Correct	9 ms	12140 KB	Output is correct
32	Correct	8 ms	12140 KB	Output is correct
33	Correct	169 ms	22312 KB	Output is correct
34	Correct	118 ms	21740 KB	Output is correct

Subtask #3
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	111 ms	24940 KB	Output is correct
2	Correct	239 ms	25068 KB	Output is correct
3	Correct	58 ms	16364 KB	Output is correct
4	Correct	141 ms	21692 KB	Output is correct
5	Correct	289 ms	31596 KB	Output is correct
6	Correct	36 ms	14188 KB	Output is correct
7	Correct	114 ms	31084 KB	Output is correct
8	Correct	117 ms	24940 KB	Output is correct
9	Correct	13 ms	15468 KB	Output is correct
10	Correct	37 ms	14188 KB	Output is correct
11	Correct	91 ms	21084 KB	Output is correct
12	Correct	64 ms	16236 KB	Output is correct
13	Correct	10 ms	12140 KB	Output is correct
14	Correct	45 ms	14572 KB	Output is correct

Subtask #4
0 / 47.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	111 ms	24940 KB	Output is correct
2	Correct	239 ms	25068 KB	Output is correct
3	Correct	58 ms	16364 KB	Output is correct
4	Correct	141 ms	21692 KB	Output is correct
5	Correct	289 ms	31596 KB	Output is correct
6	Correct	36 ms	14188 KB	Output is correct
7	Correct	114 ms	31084 KB	Output is correct
8	Correct	117 ms	24940 KB	Output is correct
9	Correct	13 ms	15468 KB	Output is correct
10	Correct	37 ms	14188 KB	Output is correct
11	Correct	91 ms	21084 KB	Output is correct
12	Correct	64 ms	16236 KB	Output is correct
13	Correct	10 ms	12140 KB	Output is correct
14	Correct	45 ms	14572 KB	Output is correct
15	Correct	9 ms	12140 KB	Output is correct
16	Correct	9 ms	12140 KB	Output is correct
17	Correct	9 ms	12140 KB	Output is correct
18	Correct	8 ms	12140 KB	Output is correct
19	Correct	10 ms	12140 KB	Output is correct
20	Correct	14 ms	12524 KB	Output is correct
21	Correct	8 ms	12140 KB	Output is correct
22	Correct	8 ms	12140 KB	Output is correct
23	Correct	8 ms	12140 KB	Output is correct
24	Correct	8 ms	12140 KB	Output is correct
25	Correct	9 ms	12140 KB	Output is correct
26	Correct	9 ms	12140 KB	Output is correct
27	Correct	9 ms	12140 KB	Output is correct
28	Correct	9 ms	12140 KB	Output is correct
29	Correct	8 ms	12140 KB	Output is correct
30	Correct	9 ms	12140 KB	Output is correct
31	Correct	9 ms	12140 KB	Output is correct
32	Correct	9 ms	12140 KB	Output is correct
33	Correct	9 ms	12140 KB	Output is correct
34	Correct	9 ms	12140 KB	Output is correct
35	Correct	9 ms	12140 KB	Output is correct
36	Correct	185 ms	23672 KB	Output is correct
37	Correct	169 ms	20332 KB	Output is correct
38	Correct	18 ms	12780 KB	Output is correct
39	Correct	11 ms	12396 KB	Output is correct
40	Correct	10 ms	12396 KB	Output is correct
41	Correct	9 ms	12140 KB	Output is correct
42	Correct	75 ms	16620 KB	Output is correct
43	Correct	31 ms	14060 KB	Output is correct
44	Correct	47 ms	14444 KB	Output is correct
45	Correct	9 ms	12140 KB	Output is correct
46	Correct	8 ms	12140 KB	Output is correct
47	Correct	169 ms	22312 KB	Output is correct
48	Correct	118 ms	21740 KB	Output is correct
49	Correct	108 ms	18136 KB	Output is correct
50	Correct	82 ms	16492 KB	Output is correct
51	Correct	105 ms	19296 KB	Output is correct
52	Correct	127 ms	18128 KB	Output is correct
53	Correct	60 ms	17504 KB	Output is correct
54	Correct	141 ms	21484 KB	Output is correct
55	Correct	322 ms	48492 KB	Output is correct
56	Correct	178 ms	36460 KB	Output is correct
57	Correct	169 ms	28380 KB	Output is correct
58	Correct	75 ms	16596 KB	Output is correct
59	Correct	167 ms	23788 KB	Output is correct
60	Incorrect	126 ms	19412 KB	Output isn't correct
61	Halted	0 ms	0 KB	-

Submission #382163

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 25.0 / 25.0

Subtask #3 16.0 / 16.0

Subtask #4 0 / 47.0

Subtask #1
12.0 / 12.0

Subtask #2
25.0 / 25.0

Subtask #3
16.0 / 16.0

Subtask #4
0 / 47.0