#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e5;
const int INF = 987654321;
int N, M, L;
vector<pii> adj[MAXN+10];
bool vis[MAXN+10];
int DA[MAXN+10], DB[MAXN+10], ans;
void dfs(int now, int bef, int *dist, int dep, vector<int> &V)
{
dist[now]=dep; vis[now]=true; V.push_back(now);
for(auto nxt : adj[now])
{
if(nxt.first==bef) continue;
dfs(nxt.first, now, dist, dep+nxt.second, V);
}
}
int travelTime(int _N, int _M, int _L, int _A[], int _B[], int _T[])
{
int i, j;
N=_N; M=_M; L=_L;
for(i=0; i<M; i++)
{
int u=_A[i]+1, v=_B[i]+1, w=_T[i];
adj[u].push_back({v, w});
adj[v].push_back({u, w});
}
vector<int> S;
for(i=1; i<=N; i++)
{
if(vis[i]) continue;
int u, v; vector<int> V;
V.clear(); dfs(i, i, DA, 0, V);
u=i; for(auto it : V) if(DA[u]<DA[it]) u=it;
V.clear(); dfs(u, u, DA, 0, V);
v=u; for(auto it : V) if(DA[v]<DA[it]) v=it;
V.clear(); dfs(v, v, DB, 0, V);
ans=max(ans, DB[u]);
int now=INF;
for(auto it : V) now=min(now, max(DA[it], DB[it]));
S.push_back(now);
}
ans=max(ans, S[0]+S[1]+L);
return ans;
}
Compilation message
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:30:9: warning: unused variable 'j' [-Wunused-variable]
int i, j;
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
76 ms |
15092 KB |
Output is correct |
| 2 |
Correct |
80 ms |
14964 KB |
Output is correct |
| 3 |
Correct |
53 ms |
10868 KB |
Output is correct |
| 4 |
Correct |
21 ms |
4472 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3576 KB |
Output is correct |
| 6 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
36 ms |
6904 KB |
Output is correct |
| 9 |
Correct |
48 ms |
8696 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 11 |
Correct |
89 ms |
10360 KB |
Output is correct |
| 12 |
Correct |
123 ms |
12656 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
76 ms |
15092 KB |
Output is correct |
| 2 |
Correct |
80 ms |
14964 KB |
Output is correct |
| 3 |
Correct |
53 ms |
10868 KB |
Output is correct |
| 4 |
Correct |
21 ms |
4472 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3576 KB |
Output is correct |
| 6 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
36 ms |
6904 KB |
Output is correct |
| 9 |
Correct |
48 ms |
8696 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 11 |
Correct |
89 ms |
10360 KB |
Output is correct |
| 12 |
Correct |
123 ms |
12656 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 14 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 15 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 16 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 17 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 18 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 19 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2684 KB |
Output is correct |
| 22 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 23 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 24 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 25 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 26 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 27 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 28 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 29 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 30 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 32 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 33 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 34 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 35 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2680 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
76 ms |
15092 KB |
Output is correct |
| 2 |
Correct |
80 ms |
14964 KB |
Output is correct |
| 3 |
Correct |
53 ms |
10868 KB |
Output is correct |
| 4 |
Correct |
21 ms |
4472 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3576 KB |
Output is correct |
| 6 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
36 ms |
6904 KB |
Output is correct |
| 9 |
Correct |
48 ms |
8696 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 11 |
Correct |
89 ms |
10360 KB |
Output is correct |
| 12 |
Correct |
123 ms |
12656 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 14 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 15 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 16 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 17 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 18 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 19 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2684 KB |
Output is correct |
| 22 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 23 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 24 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 25 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 26 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 27 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 28 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 29 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 30 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 32 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 33 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 34 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 35 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 39 |
Correct |
87 ms |
16420 KB |
Output is correct |
| 40 |
Correct |
82 ms |
16244 KB |
Output is correct |
| 41 |
Correct |
49 ms |
11764 KB |
Output is correct |
| 42 |
Correct |
15 ms |
4728 KB |
Output is correct |
| 43 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 44 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 45 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 46 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 47 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 48 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 49 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 50 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 51 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 52 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 53 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 54 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 55 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 56 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 57 |
Correct |
136 ms |
10604 KB |
Output is correct |
| 58 |
Correct |
138 ms |
10640 KB |
Output is correct |
| 59 |
Correct |
141 ms |
10480 KB |
Output is correct |
| 60 |
Correct |
140 ms |
10552 KB |
Output is correct |
| 61 |
Correct |
118 ms |
10740 KB |
Output is correct |
| 62 |
Correct |
122 ms |
10720 KB |
Output is correct |
| 63 |
Correct |
119 ms |
10224 KB |
Output is correct |
| 64 |
Correct |
120 ms |
10228 KB |
Output is correct |
| 65 |
Correct |
106 ms |
10512 KB |
Output is correct |
| 66 |
Correct |
117 ms |
10612 KB |
Output is correct |
| 67 |
Correct |
136 ms |
10480 KB |
Output is correct |
| 68 |
Correct |
127 ms |
10480 KB |
Output is correct |
| 69 |
Correct |
137 ms |
10820 KB |
Output is correct |
| 70 |
Correct |
142 ms |
10836 KB |
Output is correct |
| 71 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 72 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 73 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 74 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 75 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 76 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 77 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 78 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 79 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 80 |
Correct |
135 ms |
10608 KB |
Output is correct |
| 81 |
Correct |
142 ms |
10352 KB |
Output is correct |
| 82 |
Correct |
132 ms |
10612 KB |
Output is correct |
| 83 |
Correct |
123 ms |
10608 KB |
Output is correct |
| 84 |
Correct |
9 ms |
2808 KB |
Output is correct |
| 85 |
Correct |
8 ms |
2808 KB |
Output is correct |
| 86 |
Correct |
9 ms |
2808 KB |
Output is correct |
| 87 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 88 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 89 |
Correct |
10 ms |
2936 KB |
Output is correct |
| 90 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 91 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 92 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 93 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 94 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 95 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 96 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 97 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 98 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 99 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 100 |
Correct |
9 ms |
2680 KB |
Output is correct |
| 101 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 102 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 103 |
Correct |
8 ms |
2680 KB |
Output is correct |
| 104 |
Correct |
13 ms |
3704 KB |
Output is correct |
| 105 |
Correct |
22 ms |
5752 KB |
Output is correct |
| 106 |
Correct |
8 ms |
2684 KB |
Output is correct |
| 107 |
Correct |
43 ms |
7416 KB |
Output is correct |
| 108 |
Correct |
47 ms |
9464 KB |
Output is correct |
| 109 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 110 |
Correct |
94 ms |
11640 KB |
Output is correct |
| 111 |
Correct |
113 ms |
13684 KB |
Output is correct |
| 112 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 113 |
Correct |
147 ms |
17780 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
41 ms |
6264 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
76 ms |
15092 KB |
Output is correct |
| 2 |
Correct |
80 ms |
14964 KB |
Output is correct |
| 3 |
Correct |
53 ms |
10868 KB |
Output is correct |
| 4 |
Correct |
21 ms |
4472 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3576 KB |
Output is correct |
| 6 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
36 ms |
6904 KB |
Output is correct |
| 9 |
Correct |
48 ms |
8696 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 11 |
Correct |
89 ms |
10360 KB |
Output is correct |
| 12 |
Correct |
123 ms |
12656 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 14 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 15 |
Correct |
8 ms |
2808 KB |
Output is correct |
| 16 |
Correct |
9 ms |
2808 KB |
Output is correct |
| 17 |
Incorrect |
8 ms |
2680 KB |
Output isn't correct |
| 18 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
76 ms |
15092 KB |
Output is correct |
| 2 |
Correct |
80 ms |
14964 KB |
Output is correct |
| 3 |
Correct |
53 ms |
10868 KB |
Output is correct |
| 4 |
Correct |
21 ms |
4472 KB |
Output is correct |
| 5 |
Correct |
13 ms |
3576 KB |
Output is correct |
| 6 |
Correct |
22 ms |
5496 KB |
Output is correct |
| 7 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
36 ms |
6904 KB |
Output is correct |
| 9 |
Correct |
48 ms |
8696 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 11 |
Correct |
89 ms |
10360 KB |
Output is correct |
| 12 |
Correct |
123 ms |
12656 KB |
Output is correct |
| 13 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 14 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 15 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 16 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 17 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 18 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 19 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 21 |
Correct |
8 ms |
2684 KB |
Output is correct |
| 22 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 23 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 24 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 25 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 26 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 27 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 28 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 29 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 30 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 31 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 32 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 33 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 34 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 35 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 36 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 37 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 38 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 39 |
Correct |
87 ms |
16420 KB |
Output is correct |
| 40 |
Correct |
82 ms |
16244 KB |
Output is correct |
| 41 |
Correct |
49 ms |
11764 KB |
Output is correct |
| 42 |
Correct |
15 ms |
4728 KB |
Output is correct |
| 43 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 44 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 45 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 46 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 47 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 48 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 49 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 50 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 51 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 52 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 53 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 54 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 55 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 56 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 57 |
Correct |
136 ms |
10604 KB |
Output is correct |
| 58 |
Correct |
138 ms |
10640 KB |
Output is correct |
| 59 |
Correct |
141 ms |
10480 KB |
Output is correct |
| 60 |
Correct |
140 ms |
10552 KB |
Output is correct |
| 61 |
Correct |
118 ms |
10740 KB |
Output is correct |
| 62 |
Correct |
122 ms |
10720 KB |
Output is correct |
| 63 |
Correct |
119 ms |
10224 KB |
Output is correct |
| 64 |
Correct |
120 ms |
10228 KB |
Output is correct |
| 65 |
Correct |
106 ms |
10512 KB |
Output is correct |
| 66 |
Correct |
117 ms |
10612 KB |
Output is correct |
| 67 |
Correct |
136 ms |
10480 KB |
Output is correct |
| 68 |
Correct |
127 ms |
10480 KB |
Output is correct |
| 69 |
Correct |
137 ms |
10820 KB |
Output is correct |
| 70 |
Correct |
142 ms |
10836 KB |
Output is correct |
| 71 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 72 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 73 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 74 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 75 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 76 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 77 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 78 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 79 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 80 |
Correct |
135 ms |
10608 KB |
Output is correct |
| 81 |
Correct |
142 ms |
10352 KB |
Output is correct |
| 82 |
Correct |
132 ms |
10612 KB |
Output is correct |
| 83 |
Correct |
123 ms |
10608 KB |
Output is correct |
| 84 |
Correct |
9 ms |
2808 KB |
Output is correct |
| 85 |
Correct |
8 ms |
2808 KB |
Output is correct |
| 86 |
Correct |
9 ms |
2808 KB |
Output is correct |
| 87 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 88 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 89 |
Correct |
10 ms |
2936 KB |
Output is correct |
| 90 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 91 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 92 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 93 |
Correct |
9 ms |
2936 KB |
Output is correct |
| 94 |
Correct |
6 ms |
2680 KB |
Output is correct |
| 95 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 96 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 97 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 98 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 99 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 100 |
Correct |
9 ms |
2680 KB |
Output is correct |
| 101 |
Correct |
7 ms |
2680 KB |
Output is correct |
| 102 |
Correct |
7 ms |
2684 KB |
Output is correct |
| 103 |
Correct |
8 ms |
2680 KB |
Output is correct |
| 104 |
Correct |
13 ms |
3704 KB |
Output is correct |
| 105 |
Correct |
22 ms |
5752 KB |
Output is correct |
| 106 |
Correct |
8 ms |
2684 KB |
Output is correct |
| 107 |
Correct |
43 ms |
7416 KB |
Output is correct |
| 108 |
Correct |
47 ms |
9464 KB |
Output is correct |
| 109 |
Correct |
7 ms |
2808 KB |
Output is correct |
| 110 |
Correct |
94 ms |
11640 KB |
Output is correct |
| 111 |
Correct |
113 ms |
13684 KB |
Output is correct |
| 112 |
Correct |
8 ms |
2936 KB |
Output is correct |
| 113 |
Correct |
147 ms |
17780 KB |
Output is correct |
| 114 |
Incorrect |
41 ms |
6264 KB |
Output isn't correct |
| 115 |
Halted |
0 ms |
0 KB |
- |
