#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;
typedef pair <int, int> edge;
#define to first
#define cost second
const int MAX = 123456;
bitset <MAX> vis;
vector <edge> g[MAX];
int maxDist, at;
edge par[MAX];
void dfs (int u, int from, int far, int flag) {
if (flag) {
vis[u] = 1;
}
if (far > maxDist) {
maxDist = far;
at = u;
}
for (edge e : g[u]) {
if (e.to == from) continue;
if (flag) {
par[e.to] = edge(u, e.cost);
}
dfs(e.to, u, far + e.cost, flag);
}
}
int travelTime (int N, int M, int L, int A[], int B[], int T[]) {
for (int i = 0; i < M; ++i) {
g[A[i]].emplace_back(B[i], T[i]);
g[B[i]].emplace_back(A[i], T[i]);
}
vector <int> R;
int ret = 0;
for (int i = 0; i < N; ++i) {
if (vis[i]) continue;
maxDist = -1;
dfs(i, i, 0, 0);
int one = at;
maxDist = -1;
dfs(one, one, 0, 1);
int two = at;
ret = max(ret, maxDist);
int half = maxDist >> 1;
int radius = 0;
for (int v = two; v != one; v = par[v].to) {
radius += par[v].cost;
if (radius > half) {
radius = min(radius, maxDist - radius + par[v].cost);
break;
}
}
R.push_back(radius);
}
sort(R.rbegin(), R.rend());
ret = max(ret, R[0] + R[1] + L);
return ret;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
64 ms |
13564 KB |
Output is correct |
| 2 |
Correct |
58 ms |
13560 KB |
Output is correct |
| 3 |
Correct |
47 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
11 ms |
4736 KB |
Output is correct |
| 5 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 6 |
Correct |
17 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 8 |
Correct |
27 ms |
6776 KB |
Output is correct |
| 9 |
Correct |
36 ms |
8312 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 11 |
Correct |
81 ms |
9836 KB |
Output is correct |
| 12 |
Correct |
68 ms |
11640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
64 ms |
13564 KB |
Output is correct |
| 2 |
Correct |
58 ms |
13560 KB |
Output is correct |
| 3 |
Correct |
47 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
11 ms |
4736 KB |
Output is correct |
| 5 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 6 |
Correct |
17 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 8 |
Correct |
27 ms |
6776 KB |
Output is correct |
| 9 |
Correct |
36 ms |
8312 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 11 |
Correct |
81 ms |
9836 KB |
Output is correct |
| 12 |
Correct |
68 ms |
11640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 15 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 16 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 17 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 18 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 19 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 20 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 23 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 24 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 25 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 26 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 27 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 28 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 29 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 30 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 31 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 32 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 33 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 34 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 35 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 36 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 37 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 38 |
Correct |
4 ms |
3200 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
64 ms |
13564 KB |
Output is correct |
| 2 |
Correct |
58 ms |
13560 KB |
Output is correct |
| 3 |
Correct |
47 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
11 ms |
4736 KB |
Output is correct |
| 5 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 6 |
Correct |
17 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 8 |
Correct |
27 ms |
6776 KB |
Output is correct |
| 9 |
Correct |
36 ms |
8312 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 11 |
Correct |
81 ms |
9836 KB |
Output is correct |
| 12 |
Correct |
68 ms |
11640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 15 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 16 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 17 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 18 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 19 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 20 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 23 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 24 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 25 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 26 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 27 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 28 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 29 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 30 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 31 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 32 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 33 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 34 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 35 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 36 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 37 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 38 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 39 |
Correct |
72 ms |
13588 KB |
Output is correct |
| 40 |
Correct |
70 ms |
13532 KB |
Output is correct |
| 41 |
Correct |
41 ms |
10104 KB |
Output is correct |
| 42 |
Correct |
12 ms |
4736 KB |
Output is correct |
| 43 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 44 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 45 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 46 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 47 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 48 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 49 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 50 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 51 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 52 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 53 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 54 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 55 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 56 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 57 |
Correct |
93 ms |
9208 KB |
Output is correct |
| 58 |
Correct |
62 ms |
9180 KB |
Output is correct |
| 59 |
Correct |
66 ms |
9208 KB |
Output is correct |
| 60 |
Correct |
69 ms |
9208 KB |
Output is correct |
| 61 |
Correct |
73 ms |
9052 KB |
Output is correct |
| 62 |
Correct |
61 ms |
8952 KB |
Output is correct |
| 63 |
Correct |
66 ms |
8824 KB |
Output is correct |
| 64 |
Correct |
62 ms |
8828 KB |
Output is correct |
| 65 |
Correct |
78 ms |
8824 KB |
Output is correct |
| 66 |
Correct |
62 ms |
8824 KB |
Output is correct |
| 67 |
Correct |
80 ms |
9080 KB |
Output is correct |
| 68 |
Correct |
64 ms |
9180 KB |
Output is correct |
| 69 |
Correct |
79 ms |
9148 KB |
Output is correct |
| 70 |
Correct |
76 ms |
9084 KB |
Output is correct |
| 71 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 72 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 73 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 74 |
Correct |
7 ms |
3456 KB |
Output is correct |
| 75 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 76 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 77 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 78 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 79 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 80 |
Correct |
94 ms |
9080 KB |
Output is correct |
| 81 |
Correct |
81 ms |
9080 KB |
Output is correct |
| 82 |
Correct |
93 ms |
9084 KB |
Output is correct |
| 83 |
Correct |
90 ms |
9116 KB |
Output is correct |
| 84 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 85 |
Correct |
7 ms |
3372 KB |
Output is correct |
| 86 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 87 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 88 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 89 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 90 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 91 |
Correct |
7 ms |
3456 KB |
Output is correct |
| 92 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 93 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 94 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 95 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 96 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 97 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 98 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 99 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 100 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 101 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 102 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 103 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 104 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 105 |
Correct |
16 ms |
5504 KB |
Output is correct |
| 106 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 107 |
Correct |
31 ms |
6776 KB |
Output is correct |
| 108 |
Correct |
37 ms |
8312 KB |
Output is correct |
| 109 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 110 |
Correct |
57 ms |
9724 KB |
Output is correct |
| 111 |
Correct |
63 ms |
11640 KB |
Output is correct |
| 112 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 113 |
Correct |
95 ms |
14584 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
27 ms |
6648 KB |
Output is correct |
| 2 |
Incorrect |
29 ms |
6700 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
64 ms |
13564 KB |
Output is correct |
| 2 |
Correct |
58 ms |
13560 KB |
Output is correct |
| 3 |
Correct |
47 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
11 ms |
4736 KB |
Output is correct |
| 5 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 6 |
Correct |
17 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 8 |
Correct |
27 ms |
6776 KB |
Output is correct |
| 9 |
Correct |
36 ms |
8312 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 11 |
Correct |
81 ms |
9836 KB |
Output is correct |
| 12 |
Correct |
68 ms |
11640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 15 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 16 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 17 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 18 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 19 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 20 |
Incorrect |
4 ms |
3328 KB |
Output isn't correct |
| 21 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
64 ms |
13564 KB |
Output is correct |
| 2 |
Correct |
58 ms |
13560 KB |
Output is correct |
| 3 |
Correct |
47 ms |
10104 KB |
Output is correct |
| 4 |
Correct |
11 ms |
4736 KB |
Output is correct |
| 5 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 6 |
Correct |
17 ms |
5504 KB |
Output is correct |
| 7 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 8 |
Correct |
27 ms |
6776 KB |
Output is correct |
| 9 |
Correct |
36 ms |
8312 KB |
Output is correct |
| 10 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 11 |
Correct |
81 ms |
9836 KB |
Output is correct |
| 12 |
Correct |
68 ms |
11640 KB |
Output is correct |
| 13 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 14 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 15 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 16 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 17 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 18 |
Correct |
5 ms |
3200 KB |
Output is correct |
| 19 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 20 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 21 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 22 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 23 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 24 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 25 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 26 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 27 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 28 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 29 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 30 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 31 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 32 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 33 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 34 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 35 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 36 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 37 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 38 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 39 |
Correct |
72 ms |
13588 KB |
Output is correct |
| 40 |
Correct |
70 ms |
13532 KB |
Output is correct |
| 41 |
Correct |
41 ms |
10104 KB |
Output is correct |
| 42 |
Correct |
12 ms |
4736 KB |
Output is correct |
| 43 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 44 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 45 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 46 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 47 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 48 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 49 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 50 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 51 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 52 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 53 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 54 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 55 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 56 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 57 |
Correct |
93 ms |
9208 KB |
Output is correct |
| 58 |
Correct |
62 ms |
9180 KB |
Output is correct |
| 59 |
Correct |
66 ms |
9208 KB |
Output is correct |
| 60 |
Correct |
69 ms |
9208 KB |
Output is correct |
| 61 |
Correct |
73 ms |
9052 KB |
Output is correct |
| 62 |
Correct |
61 ms |
8952 KB |
Output is correct |
| 63 |
Correct |
66 ms |
8824 KB |
Output is correct |
| 64 |
Correct |
62 ms |
8828 KB |
Output is correct |
| 65 |
Correct |
78 ms |
8824 KB |
Output is correct |
| 66 |
Correct |
62 ms |
8824 KB |
Output is correct |
| 67 |
Correct |
80 ms |
9080 KB |
Output is correct |
| 68 |
Correct |
64 ms |
9180 KB |
Output is correct |
| 69 |
Correct |
79 ms |
9148 KB |
Output is correct |
| 70 |
Correct |
76 ms |
9084 KB |
Output is correct |
| 71 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 72 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 73 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 74 |
Correct |
7 ms |
3456 KB |
Output is correct |
| 75 |
Correct |
5 ms |
3456 KB |
Output is correct |
| 76 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 77 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 78 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 79 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 80 |
Correct |
94 ms |
9080 KB |
Output is correct |
| 81 |
Correct |
81 ms |
9080 KB |
Output is correct |
| 82 |
Correct |
93 ms |
9084 KB |
Output is correct |
| 83 |
Correct |
90 ms |
9116 KB |
Output is correct |
| 84 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 85 |
Correct |
7 ms |
3372 KB |
Output is correct |
| 86 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 87 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 88 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 89 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 90 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 91 |
Correct |
7 ms |
3456 KB |
Output is correct |
| 92 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 93 |
Correct |
6 ms |
3456 KB |
Output is correct |
| 94 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 95 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 96 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 97 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 98 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 99 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 100 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 101 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 102 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 103 |
Correct |
4 ms |
3200 KB |
Output is correct |
| 104 |
Correct |
10 ms |
4096 KB |
Output is correct |
| 105 |
Correct |
16 ms |
5504 KB |
Output is correct |
| 106 |
Correct |
5 ms |
3328 KB |
Output is correct |
| 107 |
Correct |
31 ms |
6776 KB |
Output is correct |
| 108 |
Correct |
37 ms |
8312 KB |
Output is correct |
| 109 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 110 |
Correct |
57 ms |
9724 KB |
Output is correct |
| 111 |
Correct |
63 ms |
11640 KB |
Output is correct |
| 112 |
Correct |
4 ms |
3328 KB |
Output is correct |
| 113 |
Correct |
95 ms |
14584 KB |
Output is correct |
| 114 |
Correct |
27 ms |
6648 KB |
Output is correct |
| 115 |
Incorrect |
29 ms |
6700 KB |
Output isn't correct |
| 116 |
Halted |
0 ms |
0 KB |
- |
