#include "dreaming.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define nmax 100008
const int inf = 1e9 + 7;
using namespace std;
typedef pair<int, int> pii;
vector<pii>vt, l[nmax];
bool kt[nmax], vis[nmax];
int n, dis[2][nmax];
stack<int>s;
void bfs(int root, int id){
fill(dis[id], dis[id] + nmax, -1);
s.push(root);
dis[id][root] = 0;
while (!s.empty()){
int u = s.top();
s.pop();
kt[u] = vis[u] = true;
for (pii it : l[u])
if (dis[id][it.fi] == -1){
dis[id][it.fi] = dis[id][u] + it.se;
s.push(it.fi);
}
}
}
pii calc(int rt){
fill(kt, kt + n + 1, false);
bfs(rt, 0);
int u = 0, v = 0, res = inf;
for (int i = 1; i < n; i++)
if (dis[0][u] < dis[0][i])
u = i;
bfs(u, 1);
for (int i = 1; i < n; i++)
if (dis[1][v] < dis[1][i])
v = i;
bfs(v, 0);
for (int i = 0; i < n; i++)
if (kt[i])
res = min(res, max(dis[0][i], dis[1][i]));
return {dis[0][u], res};
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
n = N;
for (int i = 0; i < M; i++){
int u = A[i], v = B[i], w = T[i];
l[u].push_back({v, w});
l[v].push_back({u, w});
}
assert(M == N - 2);
fill(vis, vis + n + 1, false);
for (int i = 0; i < N; i++)
if (!vis[i])
vt.push_back(calc(i));
return max({vt[0].fi, vt[1].fi, vt[0].se + vt[1].se + L});
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
7788 KB |
Output is correct |
2 |
Correct |
43 ms |
8752 KB |
Output is correct |
3 |
Correct |
39 ms |
6976 KB |
Output is correct |
4 |
Correct |
7 ms |
4180 KB |
Output is correct |
5 |
Correct |
7 ms |
3924 KB |
Output is correct |
6 |
Correct |
12 ms |
4596 KB |
Output is correct |
7 |
Correct |
2 ms |
3412 KB |
Output is correct |
8 |
Correct |
24 ms |
5708 KB |
Output is correct |
9 |
Correct |
28 ms |
6380 KB |
Output is correct |
10 |
Correct |
2 ms |
3412 KB |
Output is correct |
11 |
Correct |
43 ms |
7664 KB |
Output is correct |
12 |
Correct |
46 ms |
8140 KB |
Output is correct |
13 |
Correct |
2 ms |
3412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
3428 KB |
Output is correct |
2 |
Correct |
2 ms |
3428 KB |
Output is correct |
3 |
Correct |
2 ms |
3436 KB |
Output is correct |
4 |
Correct |
2 ms |
3428 KB |
Output is correct |
5 |
Correct |
2 ms |
3412 KB |
Output is correct |
6 |
Correct |
3 ms |
3456 KB |
Output is correct |
7 |
Correct |
3 ms |
3412 KB |
Output is correct |
8 |
Correct |
3 ms |
3412 KB |
Output is correct |
9 |
Correct |
3 ms |
3376 KB |
Output is correct |
10 |
Correct |
2 ms |
3412 KB |
Output is correct |
11 |
Correct |
2 ms |
3412 KB |
Output is correct |
12 |
Correct |
2 ms |
3412 KB |
Output is correct |
13 |
Correct |
2 ms |
3412 KB |
Output is correct |
14 |
Correct |
2 ms |
3428 KB |
Output is correct |
15 |
Correct |
3 ms |
3432 KB |
Output is correct |
16 |
Correct |
2 ms |
3428 KB |
Output is correct |
17 |
Correct |
3 ms |
3412 KB |
Output is correct |
18 |
Correct |
3 ms |
3412 KB |
Output is correct |
19 |
Correct |
2 ms |
3412 KB |
Output is correct |
20 |
Correct |
2 ms |
3428 KB |
Output is correct |
21 |
Correct |
2 ms |
3412 KB |
Output is correct |
22 |
Correct |
3 ms |
3432 KB |
Output is correct |
23 |
Correct |
3 ms |
3412 KB |
Output is correct |
24 |
Correct |
2 ms |
3412 KB |
Output is correct |
25 |
Correct |
2 ms |
3412 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
7788 KB |
Output is correct |
2 |
Correct |
43 ms |
8752 KB |
Output is correct |
3 |
Correct |
39 ms |
6976 KB |
Output is correct |
4 |
Correct |
7 ms |
4180 KB |
Output is correct |
5 |
Correct |
7 ms |
3924 KB |
Output is correct |
6 |
Correct |
12 ms |
4596 KB |
Output is correct |
7 |
Correct |
2 ms |
3412 KB |
Output is correct |
8 |
Correct |
24 ms |
5708 KB |
Output is correct |
9 |
Correct |
28 ms |
6380 KB |
Output is correct |
10 |
Correct |
2 ms |
3412 KB |
Output is correct |
11 |
Correct |
43 ms |
7664 KB |
Output is correct |
12 |
Correct |
46 ms |
8140 KB |
Output is correct |
13 |
Correct |
2 ms |
3412 KB |
Output is correct |
14 |
Correct |
2 ms |
3428 KB |
Output is correct |
15 |
Correct |
2 ms |
3428 KB |
Output is correct |
16 |
Correct |
2 ms |
3436 KB |
Output is correct |
17 |
Correct |
2 ms |
3428 KB |
Output is correct |
18 |
Correct |
2 ms |
3412 KB |
Output is correct |
19 |
Correct |
3 ms |
3456 KB |
Output is correct |
20 |
Correct |
3 ms |
3412 KB |
Output is correct |
21 |
Correct |
3 ms |
3412 KB |
Output is correct |
22 |
Correct |
3 ms |
3376 KB |
Output is correct |
23 |
Correct |
2 ms |
3412 KB |
Output is correct |
24 |
Correct |
2 ms |
3412 KB |
Output is correct |
25 |
Correct |
2 ms |
3412 KB |
Output is correct |
26 |
Correct |
2 ms |
3412 KB |
Output is correct |
27 |
Correct |
2 ms |
3428 KB |
Output is correct |
28 |
Correct |
3 ms |
3432 KB |
Output is correct |
29 |
Correct |
2 ms |
3428 KB |
Output is correct |
30 |
Correct |
3 ms |
3412 KB |
Output is correct |
31 |
Correct |
3 ms |
3412 KB |
Output is correct |
32 |
Correct |
2 ms |
3412 KB |
Output is correct |
33 |
Correct |
2 ms |
3428 KB |
Output is correct |
34 |
Correct |
2 ms |
3412 KB |
Output is correct |
35 |
Correct |
3 ms |
3432 KB |
Output is correct |
36 |
Correct |
3 ms |
3412 KB |
Output is correct |
37 |
Correct |
2 ms |
3412 KB |
Output is correct |
38 |
Correct |
2 ms |
3412 KB |
Output is correct |
39 |
Correct |
40 ms |
8672 KB |
Output is correct |
40 |
Correct |
43 ms |
8756 KB |
Output is correct |
41 |
Correct |
37 ms |
7120 KB |
Output is correct |
42 |
Correct |
7 ms |
4180 KB |
Output is correct |
43 |
Correct |
3 ms |
3412 KB |
Output is correct |
44 |
Correct |
2 ms |
3412 KB |
Output is correct |
45 |
Correct |
2 ms |
3412 KB |
Output is correct |
46 |
Correct |
2 ms |
3424 KB |
Output is correct |
47 |
Correct |
2 ms |
3412 KB |
Output is correct |
48 |
Correct |
2 ms |
3432 KB |
Output is correct |
49 |
Correct |
2 ms |
3428 KB |
Output is correct |
50 |
Correct |
2 ms |
3428 KB |
Output is correct |
51 |
Correct |
2 ms |
3428 KB |
Output is correct |
52 |
Correct |
2 ms |
3412 KB |
Output is correct |
53 |
Correct |
3 ms |
3416 KB |
Output is correct |
54 |
Correct |
3 ms |
3412 KB |
Output is correct |
55 |
Correct |
2 ms |
3428 KB |
Output is correct |
56 |
Correct |
2 ms |
3412 KB |
Output is correct |
57 |
Correct |
60 ms |
10120 KB |
Output is correct |
58 |
Correct |
60 ms |
10104 KB |
Output is correct |
59 |
Correct |
63 ms |
9980 KB |
Output is correct |
60 |
Correct |
63 ms |
9868 KB |
Output is correct |
61 |
Correct |
67 ms |
10144 KB |
Output is correct |
62 |
Correct |
62 ms |
10140 KB |
Output is correct |
63 |
Correct |
63 ms |
9756 KB |
Output is correct |
64 |
Correct |
64 ms |
9716 KB |
Output is correct |
65 |
Correct |
69 ms |
10088 KB |
Output is correct |
66 |
Correct |
70 ms |
10048 KB |
Output is correct |
67 |
Correct |
60 ms |
9932 KB |
Output is correct |
68 |
Correct |
61 ms |
10040 KB |
Output is correct |
69 |
Correct |
61 ms |
10168 KB |
Output is correct |
70 |
Correct |
64 ms |
10176 KB |
Output is correct |
71 |
Correct |
2 ms |
3412 KB |
Output is correct |
72 |
Correct |
3 ms |
3540 KB |
Output is correct |
73 |
Correct |
3 ms |
3572 KB |
Output is correct |
74 |
Correct |
3 ms |
3540 KB |
Output is correct |
75 |
Correct |
3 ms |
3568 KB |
Output is correct |
76 |
Correct |
3 ms |
3580 KB |
Output is correct |
77 |
Correct |
4 ms |
3572 KB |
Output is correct |
78 |
Correct |
3 ms |
3576 KB |
Output is correct |
79 |
Correct |
3 ms |
3576 KB |
Output is correct |
80 |
Correct |
67 ms |
9932 KB |
Output is correct |
81 |
Correct |
82 ms |
9932 KB |
Output is correct |
82 |
Correct |
63 ms |
10060 KB |
Output is correct |
83 |
Correct |
56 ms |
10196 KB |
Output is correct |
84 |
Correct |
3 ms |
3540 KB |
Output is correct |
85 |
Correct |
3 ms |
3568 KB |
Output is correct |
86 |
Correct |
3 ms |
3700 KB |
Output is correct |
87 |
Correct |
4 ms |
3540 KB |
Output is correct |
88 |
Correct |
3 ms |
3608 KB |
Output is correct |
89 |
Correct |
4 ms |
3568 KB |
Output is correct |
90 |
Correct |
3 ms |
3540 KB |
Output is correct |
91 |
Correct |
3 ms |
3540 KB |
Output is correct |
92 |
Correct |
3 ms |
3568 KB |
Output is correct |
93 |
Correct |
3 ms |
3540 KB |
Output is correct |
94 |
Correct |
2 ms |
3412 KB |
Output is correct |
95 |
Correct |
2 ms |
3412 KB |
Output is correct |
96 |
Correct |
2 ms |
3412 KB |
Output is correct |
97 |
Correct |
2 ms |
3412 KB |
Output is correct |
98 |
Correct |
2 ms |
3412 KB |
Output is correct |
99 |
Correct |
2 ms |
3428 KB |
Output is correct |
100 |
Correct |
2 ms |
3412 KB |
Output is correct |
101 |
Correct |
2 ms |
3352 KB |
Output is correct |
102 |
Correct |
2 ms |
3412 KB |
Output is correct |
103 |
Correct |
2 ms |
3412 KB |
Output is correct |
104 |
Correct |
8 ms |
3924 KB |
Output is correct |
105 |
Correct |
16 ms |
4596 KB |
Output is correct |
106 |
Correct |
2 ms |
3436 KB |
Output is correct |
107 |
Correct |
21 ms |
5692 KB |
Output is correct |
108 |
Correct |
25 ms |
6320 KB |
Output is correct |
109 |
Correct |
2 ms |
3412 KB |
Output is correct |
110 |
Correct |
42 ms |
7788 KB |
Output is correct |
111 |
Correct |
42 ms |
8020 KB |
Output is correct |
112 |
Correct |
2 ms |
3412 KB |
Output is correct |
113 |
Correct |
75 ms |
9544 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
16 ms |
10224 KB |
Execution killed with signal 6 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
3428 KB |
Output is correct |
2 |
Correct |
2 ms |
3428 KB |
Output is correct |
3 |
Correct |
2 ms |
3436 KB |
Output is correct |
4 |
Correct |
2 ms |
3428 KB |
Output is correct |
5 |
Correct |
2 ms |
3412 KB |
Output is correct |
6 |
Correct |
3 ms |
3456 KB |
Output is correct |
7 |
Correct |
3 ms |
3412 KB |
Output is correct |
8 |
Correct |
3 ms |
3412 KB |
Output is correct |
9 |
Correct |
3 ms |
3376 KB |
Output is correct |
10 |
Correct |
2 ms |
3412 KB |
Output is correct |
11 |
Correct |
2 ms |
3412 KB |
Output is correct |
12 |
Correct |
2 ms |
3412 KB |
Output is correct |
13 |
Correct |
2 ms |
3412 KB |
Output is correct |
14 |
Correct |
2 ms |
3428 KB |
Output is correct |
15 |
Correct |
3 ms |
3432 KB |
Output is correct |
16 |
Correct |
2 ms |
3428 KB |
Output is correct |
17 |
Correct |
3 ms |
3412 KB |
Output is correct |
18 |
Correct |
3 ms |
3412 KB |
Output is correct |
19 |
Correct |
2 ms |
3412 KB |
Output is correct |
20 |
Correct |
2 ms |
3428 KB |
Output is correct |
21 |
Correct |
2 ms |
3412 KB |
Output is correct |
22 |
Correct |
3 ms |
3432 KB |
Output is correct |
23 |
Correct |
3 ms |
3412 KB |
Output is correct |
24 |
Correct |
2 ms |
3412 KB |
Output is correct |
25 |
Correct |
2 ms |
3412 KB |
Output is correct |
26 |
Runtime error |
4 ms |
5332 KB |
Execution killed with signal 6 |
27 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
63 ms |
7788 KB |
Output is correct |
2 |
Correct |
43 ms |
8752 KB |
Output is correct |
3 |
Correct |
39 ms |
6976 KB |
Output is correct |
4 |
Correct |
7 ms |
4180 KB |
Output is correct |
5 |
Correct |
7 ms |
3924 KB |
Output is correct |
6 |
Correct |
12 ms |
4596 KB |
Output is correct |
7 |
Correct |
2 ms |
3412 KB |
Output is correct |
8 |
Correct |
24 ms |
5708 KB |
Output is correct |
9 |
Correct |
28 ms |
6380 KB |
Output is correct |
10 |
Correct |
2 ms |
3412 KB |
Output is correct |
11 |
Correct |
43 ms |
7664 KB |
Output is correct |
12 |
Correct |
46 ms |
8140 KB |
Output is correct |
13 |
Correct |
2 ms |
3412 KB |
Output is correct |
14 |
Correct |
2 ms |
3428 KB |
Output is correct |
15 |
Correct |
2 ms |
3428 KB |
Output is correct |
16 |
Correct |
2 ms |
3436 KB |
Output is correct |
17 |
Correct |
2 ms |
3428 KB |
Output is correct |
18 |
Correct |
2 ms |
3412 KB |
Output is correct |
19 |
Correct |
3 ms |
3456 KB |
Output is correct |
20 |
Correct |
3 ms |
3412 KB |
Output is correct |
21 |
Correct |
3 ms |
3412 KB |
Output is correct |
22 |
Correct |
3 ms |
3376 KB |
Output is correct |
23 |
Correct |
2 ms |
3412 KB |
Output is correct |
24 |
Correct |
2 ms |
3412 KB |
Output is correct |
25 |
Correct |
2 ms |
3412 KB |
Output is correct |
26 |
Correct |
2 ms |
3412 KB |
Output is correct |
27 |
Correct |
2 ms |
3428 KB |
Output is correct |
28 |
Correct |
3 ms |
3432 KB |
Output is correct |
29 |
Correct |
2 ms |
3428 KB |
Output is correct |
30 |
Correct |
3 ms |
3412 KB |
Output is correct |
31 |
Correct |
3 ms |
3412 KB |
Output is correct |
32 |
Correct |
2 ms |
3412 KB |
Output is correct |
33 |
Correct |
2 ms |
3428 KB |
Output is correct |
34 |
Correct |
2 ms |
3412 KB |
Output is correct |
35 |
Correct |
3 ms |
3432 KB |
Output is correct |
36 |
Correct |
3 ms |
3412 KB |
Output is correct |
37 |
Correct |
2 ms |
3412 KB |
Output is correct |
38 |
Correct |
2 ms |
3412 KB |
Output is correct |
39 |
Correct |
40 ms |
8672 KB |
Output is correct |
40 |
Correct |
43 ms |
8756 KB |
Output is correct |
41 |
Correct |
37 ms |
7120 KB |
Output is correct |
42 |
Correct |
7 ms |
4180 KB |
Output is correct |
43 |
Correct |
3 ms |
3412 KB |
Output is correct |
44 |
Correct |
2 ms |
3412 KB |
Output is correct |
45 |
Correct |
2 ms |
3412 KB |
Output is correct |
46 |
Correct |
2 ms |
3424 KB |
Output is correct |
47 |
Correct |
2 ms |
3412 KB |
Output is correct |
48 |
Correct |
2 ms |
3432 KB |
Output is correct |
49 |
Correct |
2 ms |
3428 KB |
Output is correct |
50 |
Correct |
2 ms |
3428 KB |
Output is correct |
51 |
Correct |
2 ms |
3428 KB |
Output is correct |
52 |
Correct |
2 ms |
3412 KB |
Output is correct |
53 |
Correct |
3 ms |
3416 KB |
Output is correct |
54 |
Correct |
3 ms |
3412 KB |
Output is correct |
55 |
Correct |
2 ms |
3428 KB |
Output is correct |
56 |
Correct |
2 ms |
3412 KB |
Output is correct |
57 |
Correct |
60 ms |
10120 KB |
Output is correct |
58 |
Correct |
60 ms |
10104 KB |
Output is correct |
59 |
Correct |
63 ms |
9980 KB |
Output is correct |
60 |
Correct |
63 ms |
9868 KB |
Output is correct |
61 |
Correct |
67 ms |
10144 KB |
Output is correct |
62 |
Correct |
62 ms |
10140 KB |
Output is correct |
63 |
Correct |
63 ms |
9756 KB |
Output is correct |
64 |
Correct |
64 ms |
9716 KB |
Output is correct |
65 |
Correct |
69 ms |
10088 KB |
Output is correct |
66 |
Correct |
70 ms |
10048 KB |
Output is correct |
67 |
Correct |
60 ms |
9932 KB |
Output is correct |
68 |
Correct |
61 ms |
10040 KB |
Output is correct |
69 |
Correct |
61 ms |
10168 KB |
Output is correct |
70 |
Correct |
64 ms |
10176 KB |
Output is correct |
71 |
Correct |
2 ms |
3412 KB |
Output is correct |
72 |
Correct |
3 ms |
3540 KB |
Output is correct |
73 |
Correct |
3 ms |
3572 KB |
Output is correct |
74 |
Correct |
3 ms |
3540 KB |
Output is correct |
75 |
Correct |
3 ms |
3568 KB |
Output is correct |
76 |
Correct |
3 ms |
3580 KB |
Output is correct |
77 |
Correct |
4 ms |
3572 KB |
Output is correct |
78 |
Correct |
3 ms |
3576 KB |
Output is correct |
79 |
Correct |
3 ms |
3576 KB |
Output is correct |
80 |
Correct |
67 ms |
9932 KB |
Output is correct |
81 |
Correct |
82 ms |
9932 KB |
Output is correct |
82 |
Correct |
63 ms |
10060 KB |
Output is correct |
83 |
Correct |
56 ms |
10196 KB |
Output is correct |
84 |
Correct |
3 ms |
3540 KB |
Output is correct |
85 |
Correct |
3 ms |
3568 KB |
Output is correct |
86 |
Correct |
3 ms |
3700 KB |
Output is correct |
87 |
Correct |
4 ms |
3540 KB |
Output is correct |
88 |
Correct |
3 ms |
3608 KB |
Output is correct |
89 |
Correct |
4 ms |
3568 KB |
Output is correct |
90 |
Correct |
3 ms |
3540 KB |
Output is correct |
91 |
Correct |
3 ms |
3540 KB |
Output is correct |
92 |
Correct |
3 ms |
3568 KB |
Output is correct |
93 |
Correct |
3 ms |
3540 KB |
Output is correct |
94 |
Correct |
2 ms |
3412 KB |
Output is correct |
95 |
Correct |
2 ms |
3412 KB |
Output is correct |
96 |
Correct |
2 ms |
3412 KB |
Output is correct |
97 |
Correct |
2 ms |
3412 KB |
Output is correct |
98 |
Correct |
2 ms |
3412 KB |
Output is correct |
99 |
Correct |
2 ms |
3428 KB |
Output is correct |
100 |
Correct |
2 ms |
3412 KB |
Output is correct |
101 |
Correct |
2 ms |
3352 KB |
Output is correct |
102 |
Correct |
2 ms |
3412 KB |
Output is correct |
103 |
Correct |
2 ms |
3412 KB |
Output is correct |
104 |
Correct |
8 ms |
3924 KB |
Output is correct |
105 |
Correct |
16 ms |
4596 KB |
Output is correct |
106 |
Correct |
2 ms |
3436 KB |
Output is correct |
107 |
Correct |
21 ms |
5692 KB |
Output is correct |
108 |
Correct |
25 ms |
6320 KB |
Output is correct |
109 |
Correct |
2 ms |
3412 KB |
Output is correct |
110 |
Correct |
42 ms |
7788 KB |
Output is correct |
111 |
Correct |
42 ms |
8020 KB |
Output is correct |
112 |
Correct |
2 ms |
3412 KB |
Output is correct |
113 |
Correct |
75 ms |
9544 KB |
Output is correct |
114 |
Runtime error |
16 ms |
10224 KB |
Execution killed with signal 6 |
115 |
Halted |
0 ms |
0 KB |
- |