#include <bits/stdc++.h>
#include "dreaming.h"
#define ii pair< int , int >
#define se second
#define fi first
using namespace std;
const int N=1e5+55;
vector < ii > vec[N];
bool visited[N];
int d=0;
int md=0;
int l=1e9+5000;
int dfs(int u , int p ,bool q)
{
// cout<<u<<' '<<p<<endl;
visited[u]=1;
int d1=0,d2=0;
int v,c;
int temp=0;
for(auto x:vec[u])
{
v=x.fi;
c=x.se;
if(v==p)
continue;
temp=dfs(v,u,q);
temp+=c;
if(temp>d2)
d2=temp;
if(d2>d1)
swap(d1,d2);
}
if(!q&&d<d1+d2)
d=d1+d2;
if(q)
{
if(l>max(d1,d-d1))
l=max(d1,d-d1);
}
return d1;
}
int travelTime(int n, int M, int L, int A[], int B[], int T[])
{
if(M==0)
return 2*L;
for(int i=0;i<M;i++)
{
vec[B[i]].push_back({A[i],T[i]});
vec[A[i]].push_back({B[i],T[i]});
}
vector < int > ln;
memset(visited,0,sizeof visited);
for(int i=0;i<n;i++)
{
if(visited[i]==0)
{
d=0;
dfs(i,i,0);
l=1e9+5555;
dfs(i,i,1);
md=max(md,d);
ln.push_back(l);
}
}
sort(ln.begin(),ln.end());
int s=ln.size();
if(s==1)
return ln[0];
if(s==2)
return max(md,ln[s-1]+ln[s-2]+L);
return max(md,max(ln[s-1]+ln[s-2]+L,ln[s-2]+ln[s-3]+L+L));
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
10616 KB |
Output is correct |
2 |
Correct |
55 ms |
10360 KB |
Output is correct |
3 |
Correct |
42 ms |
9336 KB |
Output is correct |
4 |
Correct |
11 ms |
3968 KB |
Output is correct |
5 |
Correct |
9 ms |
3456 KB |
Output is correct |
6 |
Correct |
17 ms |
4480 KB |
Output is correct |
7 |
Correct |
4 ms |
2816 KB |
Output is correct |
8 |
Correct |
29 ms |
6008 KB |
Output is correct |
9 |
Correct |
36 ms |
7936 KB |
Output is correct |
10 |
Correct |
4 ms |
2816 KB |
Output is correct |
11 |
Correct |
51 ms |
8440 KB |
Output is correct |
12 |
Correct |
57 ms |
9464 KB |
Output is correct |
13 |
Correct |
4 ms |
2816 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
10616 KB |
Output is correct |
2 |
Correct |
55 ms |
10360 KB |
Output is correct |
3 |
Correct |
42 ms |
9336 KB |
Output is correct |
4 |
Correct |
11 ms |
3968 KB |
Output is correct |
5 |
Correct |
9 ms |
3456 KB |
Output is correct |
6 |
Correct |
17 ms |
4480 KB |
Output is correct |
7 |
Correct |
4 ms |
2816 KB |
Output is correct |
8 |
Correct |
29 ms |
6008 KB |
Output is correct |
9 |
Correct |
36 ms |
7936 KB |
Output is correct |
10 |
Correct |
4 ms |
2816 KB |
Output is correct |
11 |
Correct |
51 ms |
8440 KB |
Output is correct |
12 |
Correct |
57 ms |
9464 KB |
Output is correct |
13 |
Correct |
4 ms |
2816 KB |
Output is correct |
14 |
Correct |
4 ms |
2816 KB |
Output is correct |
15 |
Correct |
4 ms |
2816 KB |
Output is correct |
16 |
Correct |
3 ms |
2816 KB |
Output is correct |
17 |
Correct |
4 ms |
2816 KB |
Output is correct |
18 |
Correct |
3 ms |
2816 KB |
Output is correct |
19 |
Correct |
4 ms |
2816 KB |
Output is correct |
20 |
Correct |
4 ms |
2816 KB |
Output is correct |
21 |
Correct |
4 ms |
2816 KB |
Output is correct |
22 |
Correct |
4 ms |
2816 KB |
Output is correct |
23 |
Correct |
4 ms |
2816 KB |
Output is correct |
24 |
Correct |
4 ms |
2816 KB |
Output is correct |
25 |
Correct |
4 ms |
2816 KB |
Output is correct |
26 |
Correct |
4 ms |
2816 KB |
Output is correct |
27 |
Correct |
3 ms |
2816 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
10616 KB |
Output is correct |
2 |
Correct |
55 ms |
10360 KB |
Output is correct |
3 |
Correct |
42 ms |
9336 KB |
Output is correct |
4 |
Correct |
11 ms |
3968 KB |
Output is correct |
5 |
Correct |
9 ms |
3456 KB |
Output is correct |
6 |
Correct |
17 ms |
4480 KB |
Output is correct |
7 |
Correct |
4 ms |
2816 KB |
Output is correct |
8 |
Correct |
29 ms |
6008 KB |
Output is correct |
9 |
Correct |
36 ms |
7936 KB |
Output is correct |
10 |
Correct |
4 ms |
2816 KB |
Output is correct |
11 |
Correct |
51 ms |
8440 KB |
Output is correct |
12 |
Correct |
57 ms |
9464 KB |
Output is correct |
13 |
Correct |
4 ms |
2816 KB |
Output is correct |
14 |
Correct |
4 ms |
2816 KB |
Output is correct |
15 |
Correct |
4 ms |
2816 KB |
Output is correct |
16 |
Correct |
3 ms |
2816 KB |
Output is correct |
17 |
Correct |
4 ms |
2816 KB |
Output is correct |
18 |
Correct |
3 ms |
2816 KB |
Output is correct |
19 |
Correct |
4 ms |
2816 KB |
Output is correct |
20 |
Correct |
4 ms |
2816 KB |
Output is correct |
21 |
Correct |
4 ms |
2816 KB |
Output is correct |
22 |
Correct |
4 ms |
2816 KB |
Output is correct |
23 |
Correct |
4 ms |
2816 KB |
Output is correct |
24 |
Correct |
4 ms |
2816 KB |
Output is correct |
25 |
Correct |
4 ms |
2816 KB |
Output is correct |
26 |
Correct |
4 ms |
2816 KB |
Output is correct |
27 |
Correct |
3 ms |
2816 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
5504 KB |
Output is correct |
2 |
Correct |
25 ms |
5496 KB |
Output is correct |
3 |
Correct |
28 ms |
5496 KB |
Output is correct |
4 |
Correct |
26 ms |
5532 KB |
Output is correct |
5 |
Correct |
28 ms |
5504 KB |
Output is correct |
6 |
Correct |
34 ms |
5944 KB |
Output is correct |
7 |
Correct |
27 ms |
5632 KB |
Output is correct |
8 |
Correct |
25 ms |
5376 KB |
Output is correct |
9 |
Correct |
25 ms |
5376 KB |
Output is correct |
10 |
Correct |
28 ms |
5624 KB |
Output is correct |
11 |
Correct |
4 ms |
2816 KB |
Output is correct |
12 |
Correct |
7 ms |
3452 KB |
Output is correct |
13 |
Correct |
7 ms |
3452 KB |
Output is correct |
14 |
Correct |
7 ms |
3452 KB |
Output is correct |
15 |
Correct |
7 ms |
3452 KB |
Output is correct |
16 |
Correct |
8 ms |
3452 KB |
Output is correct |
17 |
Correct |
7 ms |
3452 KB |
Output is correct |
18 |
Correct |
7 ms |
3452 KB |
Output is correct |
19 |
Correct |
7 ms |
3480 KB |
Output is correct |
20 |
Incorrect |
4 ms |
2688 KB |
Output isn't correct |
21 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
10616 KB |
Output is correct |
2 |
Correct |
55 ms |
10360 KB |
Output is correct |
3 |
Correct |
42 ms |
9336 KB |
Output is correct |
4 |
Correct |
11 ms |
3968 KB |
Output is correct |
5 |
Correct |
9 ms |
3456 KB |
Output is correct |
6 |
Correct |
17 ms |
4480 KB |
Output is correct |
7 |
Correct |
4 ms |
2816 KB |
Output is correct |
8 |
Correct |
29 ms |
6008 KB |
Output is correct |
9 |
Correct |
36 ms |
7936 KB |
Output is correct |
10 |
Correct |
4 ms |
2816 KB |
Output is correct |
11 |
Correct |
51 ms |
8440 KB |
Output is correct |
12 |
Correct |
57 ms |
9464 KB |
Output is correct |
13 |
Correct |
4 ms |
2816 KB |
Output is correct |
14 |
Correct |
4 ms |
2816 KB |
Output is correct |
15 |
Correct |
5 ms |
2944 KB |
Output is correct |
16 |
Correct |
5 ms |
2944 KB |
Output is correct |
17 |
Correct |
4 ms |
2864 KB |
Output is correct |
18 |
Correct |
5 ms |
2944 KB |
Output is correct |
19 |
Correct |
5 ms |
2944 KB |
Output is correct |
20 |
Correct |
4 ms |
2816 KB |
Output is correct |
21 |
Correct |
4 ms |
2816 KB |
Output is correct |
22 |
Correct |
5 ms |
2944 KB |
Output is correct |
23 |
Correct |
4 ms |
2816 KB |
Output is correct |
24 |
Correct |
4 ms |
2816 KB |
Output is correct |
25 |
Correct |
3 ms |
2816 KB |
Output is correct |
26 |
Correct |
3 ms |
2816 KB |
Output is correct |
27 |
Correct |
4 ms |
2816 KB |
Output is correct |
28 |
Correct |
4 ms |
2816 KB |
Output is correct |
29 |
Correct |
4 ms |
2816 KB |
Output is correct |
30 |
Correct |
4 ms |
2816 KB |
Output is correct |
31 |
Correct |
4 ms |
2832 KB |
Output is correct |
32 |
Correct |
4 ms |
2816 KB |
Output is correct |
33 |
Correct |
4 ms |
2816 KB |
Output is correct |
34 |
Correct |
7 ms |
2816 KB |
Output is correct |
35 |
Correct |
4 ms |
2816 KB |
Output is correct |
36 |
Correct |
5 ms |
2816 KB |
Output is correct |
37 |
Correct |
4 ms |
2816 KB |
Output is correct |
38 |
Correct |
4 ms |
2816 KB |
Output is correct |
39 |
Correct |
4 ms |
2816 KB |
Output is correct |
40 |
Incorrect |
4 ms |
2688 KB |
Output isn't correct |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
10616 KB |
Output is correct |
2 |
Correct |
55 ms |
10360 KB |
Output is correct |
3 |
Correct |
42 ms |
9336 KB |
Output is correct |
4 |
Correct |
11 ms |
3968 KB |
Output is correct |
5 |
Correct |
9 ms |
3456 KB |
Output is correct |
6 |
Correct |
17 ms |
4480 KB |
Output is correct |
7 |
Correct |
4 ms |
2816 KB |
Output is correct |
8 |
Correct |
29 ms |
6008 KB |
Output is correct |
9 |
Correct |
36 ms |
7936 KB |
Output is correct |
10 |
Correct |
4 ms |
2816 KB |
Output is correct |
11 |
Correct |
51 ms |
8440 KB |
Output is correct |
12 |
Correct |
57 ms |
9464 KB |
Output is correct |
13 |
Correct |
4 ms |
2816 KB |
Output is correct |
14 |
Correct |
4 ms |
2816 KB |
Output is correct |
15 |
Correct |
4 ms |
2816 KB |
Output is correct |
16 |
Correct |
3 ms |
2816 KB |
Output is correct |
17 |
Correct |
4 ms |
2816 KB |
Output is correct |
18 |
Correct |
3 ms |
2816 KB |
Output is correct |
19 |
Correct |
4 ms |
2816 KB |
Output is correct |
20 |
Correct |
4 ms |
2816 KB |
Output is correct |
21 |
Correct |
4 ms |
2816 KB |
Output is correct |
22 |
Correct |
4 ms |
2816 KB |
Output is correct |
23 |
Correct |
4 ms |
2816 KB |
Output is correct |
24 |
Correct |
4 ms |
2816 KB |
Output is correct |
25 |
Correct |
4 ms |
2816 KB |
Output is correct |
26 |
Correct |
4 ms |
2816 KB |
Output is correct |
27 |
Correct |
3 ms |
2816 KB |
Output is correct |
28 |
Incorrect |
3 ms |
2688 KB |
Output isn't correct |
29 |
Halted |
0 ms |
0 KB |
- |