#include "bits/stdc++.h"
#include "dreaming.h"
using namespace std;
const int maxn=1e5+5;
int idx,jog,ans;
int dp[maxn][2];
bool vis[maxn];
vector<pair<int,int>>E[maxn];
void calc(int nd,int pr){
vis[nd] = 1;
int a = 0,b = 0;
for(auto i : E[nd]){
if(i.first == pr) continue;
calc(i.first,nd);
if(dp[i.first][0] + i.second > a) b=a,a = dp[i.first][0] + i.second;
else if(dp[i.first][0] + i.second > b) b=dp[i.first][0] + i.second;
}
dp[nd][0] = a;
dp[nd][1] = b;
ans = max(ans,a + b);
}
void dfs(int nd,int pr,int yok){
vis[nd] = 1;
if(max(yok,dp[nd][0]) < jog){
idx = nd;
jog = max(yok,dp[nd][0]);
}
for(auto i : E[nd]){
if(i.first == pr) continue;
if(dp[i.first][0] + i.second == dp[nd][0]) dfs(i.first,nd,max(yok,dp[nd][1])+i.second);
else dfs(i.first,nd,max(yok,dp[nd][0])+i.second);
}
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
for(int i = 0;i < M;i++){
E[A[i]].push_back({B[i],T[i]});
E[B[i]].push_back({A[i],T[i]});
}
for(int i = 0;i < N;i++) if(!vis[i]) calc(i,0);
memset(vis,0,sizeof(vis));
vector<pair<int,int>>v;
for(int i = 0;i < N;i++){
if(vis[i]) continue;
idx = -1;
jog = 1e9;
dfs(i,-1,0);
v.push_back({jog,idx});
}
sort(v.begin(),v.end());
reverse(v.begin(),v.end());
if(M != N-1) ans = max(ans,v[0].first + v[1].first + L);
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
12080 KB |
Output is correct |
2 |
Correct |
42 ms |
12996 KB |
Output is correct |
3 |
Correct |
28 ms |
11488 KB |
Output is correct |
4 |
Correct |
7 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
3660 KB |
Output is correct |
6 |
Correct |
12 ms |
5044 KB |
Output is correct |
7 |
Correct |
2 ms |
2644 KB |
Output is correct |
8 |
Correct |
20 ms |
7116 KB |
Output is correct |
9 |
Correct |
27 ms |
9620 KB |
Output is correct |
10 |
Correct |
2 ms |
2788 KB |
Output is correct |
11 |
Correct |
38 ms |
10504 KB |
Output is correct |
12 |
Correct |
45 ms |
11724 KB |
Output is correct |
13 |
Correct |
2 ms |
2764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2764 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
2 ms |
2656 KB |
Output is correct |
4 |
Correct |
2 ms |
2764 KB |
Output is correct |
5 |
Correct |
2 ms |
2880 KB |
Output is correct |
6 |
Correct |
2 ms |
2656 KB |
Output is correct |
7 |
Correct |
2 ms |
2764 KB |
Output is correct |
8 |
Correct |
2 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2764 KB |
Output is correct |
11 |
Correct |
2 ms |
2764 KB |
Output is correct |
12 |
Correct |
1 ms |
2660 KB |
Output is correct |
13 |
Correct |
2 ms |
2656 KB |
Output is correct |
14 |
Correct |
2 ms |
2656 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2764 KB |
Output is correct |
17 |
Correct |
2 ms |
2764 KB |
Output is correct |
18 |
Correct |
2 ms |
2764 KB |
Output is correct |
19 |
Correct |
2 ms |
2656 KB |
Output is correct |
20 |
Correct |
2 ms |
2764 KB |
Output is correct |
21 |
Correct |
2 ms |
2764 KB |
Output is correct |
22 |
Correct |
2 ms |
2764 KB |
Output is correct |
23 |
Correct |
1 ms |
2764 KB |
Output is correct |
24 |
Correct |
2 ms |
2764 KB |
Output is correct |
25 |
Correct |
2 ms |
2764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
12080 KB |
Output is correct |
2 |
Correct |
42 ms |
12996 KB |
Output is correct |
3 |
Correct |
28 ms |
11488 KB |
Output is correct |
4 |
Correct |
7 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
3660 KB |
Output is correct |
6 |
Correct |
12 ms |
5044 KB |
Output is correct |
7 |
Correct |
2 ms |
2644 KB |
Output is correct |
8 |
Correct |
20 ms |
7116 KB |
Output is correct |
9 |
Correct |
27 ms |
9620 KB |
Output is correct |
10 |
Correct |
2 ms |
2788 KB |
Output is correct |
11 |
Correct |
38 ms |
10504 KB |
Output is correct |
12 |
Correct |
45 ms |
11724 KB |
Output is correct |
13 |
Correct |
2 ms |
2764 KB |
Output is correct |
14 |
Correct |
1 ms |
2764 KB |
Output is correct |
15 |
Correct |
2 ms |
2648 KB |
Output is correct |
16 |
Correct |
2 ms |
2656 KB |
Output is correct |
17 |
Correct |
2 ms |
2764 KB |
Output is correct |
18 |
Correct |
2 ms |
2880 KB |
Output is correct |
19 |
Correct |
2 ms |
2656 KB |
Output is correct |
20 |
Correct |
2 ms |
2764 KB |
Output is correct |
21 |
Correct |
2 ms |
2764 KB |
Output is correct |
22 |
Correct |
2 ms |
2652 KB |
Output is correct |
23 |
Correct |
2 ms |
2764 KB |
Output is correct |
24 |
Correct |
2 ms |
2764 KB |
Output is correct |
25 |
Correct |
1 ms |
2660 KB |
Output is correct |
26 |
Correct |
2 ms |
2656 KB |
Output is correct |
27 |
Correct |
2 ms |
2656 KB |
Output is correct |
28 |
Correct |
2 ms |
2636 KB |
Output is correct |
29 |
Correct |
1 ms |
2764 KB |
Output is correct |
30 |
Correct |
2 ms |
2764 KB |
Output is correct |
31 |
Correct |
2 ms |
2764 KB |
Output is correct |
32 |
Correct |
2 ms |
2656 KB |
Output is correct |
33 |
Correct |
2 ms |
2764 KB |
Output is correct |
34 |
Correct |
2 ms |
2764 KB |
Output is correct |
35 |
Correct |
2 ms |
2764 KB |
Output is correct |
36 |
Correct |
1 ms |
2764 KB |
Output is correct |
37 |
Correct |
2 ms |
2764 KB |
Output is correct |
38 |
Correct |
2 ms |
2764 KB |
Output is correct |
39 |
Correct |
46 ms |
13268 KB |
Output is correct |
40 |
Correct |
44 ms |
12940 KB |
Output is correct |
41 |
Correct |
28 ms |
11460 KB |
Output is correct |
42 |
Correct |
7 ms |
4300 KB |
Output is correct |
43 |
Correct |
1 ms |
2636 KB |
Output is correct |
44 |
Correct |
2 ms |
2648 KB |
Output is correct |
45 |
Correct |
1 ms |
2764 KB |
Output is correct |
46 |
Correct |
2 ms |
2764 KB |
Output is correct |
47 |
Correct |
2 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2660 KB |
Output is correct |
49 |
Correct |
2 ms |
2764 KB |
Output is correct |
50 |
Correct |
2 ms |
2764 KB |
Output is correct |
51 |
Correct |
2 ms |
2764 KB |
Output is correct |
52 |
Correct |
1 ms |
2764 KB |
Output is correct |
53 |
Correct |
1 ms |
2764 KB |
Output is correct |
54 |
Correct |
2 ms |
2764 KB |
Output is correct |
55 |
Correct |
2 ms |
2656 KB |
Output is correct |
56 |
Correct |
1 ms |
2656 KB |
Output is correct |
57 |
Correct |
54 ms |
10076 KB |
Output is correct |
58 |
Correct |
60 ms |
9976 KB |
Output is correct |
59 |
Correct |
54 ms |
9924 KB |
Output is correct |
60 |
Correct |
54 ms |
9964 KB |
Output is correct |
61 |
Correct |
54 ms |
10012 KB |
Output is correct |
62 |
Correct |
51 ms |
10052 KB |
Output is correct |
63 |
Correct |
54 ms |
9684 KB |
Output is correct |
64 |
Correct |
50 ms |
9652 KB |
Output is correct |
65 |
Correct |
51 ms |
9956 KB |
Output is correct |
66 |
Correct |
52 ms |
9940 KB |
Output is correct |
67 |
Correct |
54 ms |
9908 KB |
Output is correct |
68 |
Correct |
56 ms |
9928 KB |
Output is correct |
69 |
Correct |
54 ms |
10216 KB |
Output is correct |
70 |
Correct |
60 ms |
10188 KB |
Output is correct |
71 |
Correct |
1 ms |
2636 KB |
Output is correct |
72 |
Correct |
3 ms |
2924 KB |
Output is correct |
73 |
Correct |
3 ms |
2892 KB |
Output is correct |
74 |
Correct |
3 ms |
2892 KB |
Output is correct |
75 |
Correct |
3 ms |
2892 KB |
Output is correct |
76 |
Correct |
3 ms |
2924 KB |
Output is correct |
77 |
Correct |
3 ms |
3012 KB |
Output is correct |
78 |
Correct |
3 ms |
2892 KB |
Output is correct |
79 |
Correct |
3 ms |
2892 KB |
Output is correct |
80 |
Correct |
54 ms |
9924 KB |
Output is correct |
81 |
Correct |
60 ms |
9956 KB |
Output is correct |
82 |
Correct |
53 ms |
9924 KB |
Output is correct |
83 |
Correct |
52 ms |
9956 KB |
Output is correct |
84 |
Correct |
2 ms |
2892 KB |
Output is correct |
85 |
Correct |
3 ms |
2800 KB |
Output is correct |
86 |
Correct |
3 ms |
2892 KB |
Output is correct |
87 |
Correct |
2 ms |
2892 KB |
Output is correct |
88 |
Correct |
3 ms |
2924 KB |
Output is correct |
89 |
Correct |
3 ms |
2892 KB |
Output is correct |
90 |
Correct |
2 ms |
2892 KB |
Output is correct |
91 |
Correct |
3 ms |
2920 KB |
Output is correct |
92 |
Correct |
3 ms |
2892 KB |
Output is correct |
93 |
Correct |
3 ms |
2892 KB |
Output is correct |
94 |
Correct |
1 ms |
2764 KB |
Output is correct |
95 |
Correct |
1 ms |
2652 KB |
Output is correct |
96 |
Correct |
2 ms |
2764 KB |
Output is correct |
97 |
Correct |
2 ms |
2764 KB |
Output is correct |
98 |
Correct |
1 ms |
2764 KB |
Output is correct |
99 |
Correct |
2 ms |
2764 KB |
Output is correct |
100 |
Correct |
2 ms |
2764 KB |
Output is correct |
101 |
Correct |
1 ms |
2764 KB |
Output is correct |
102 |
Correct |
2 ms |
2656 KB |
Output is correct |
103 |
Correct |
2 ms |
2664 KB |
Output is correct |
104 |
Correct |
5 ms |
3660 KB |
Output is correct |
105 |
Correct |
11 ms |
5088 KB |
Output is correct |
106 |
Correct |
2 ms |
2764 KB |
Output is correct |
107 |
Correct |
22 ms |
7012 KB |
Output is correct |
108 |
Correct |
27 ms |
9524 KB |
Output is correct |
109 |
Correct |
2 ms |
2764 KB |
Output is correct |
110 |
Correct |
39 ms |
10464 KB |
Output is correct |
111 |
Correct |
50 ms |
11760 KB |
Output is correct |
112 |
Correct |
2 ms |
2764 KB |
Output is correct |
113 |
Correct |
64 ms |
18664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
6368 KB |
Output is correct |
2 |
Incorrect |
23 ms |
6368 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2764 KB |
Output is correct |
2 |
Correct |
2 ms |
2648 KB |
Output is correct |
3 |
Correct |
2 ms |
2656 KB |
Output is correct |
4 |
Correct |
2 ms |
2764 KB |
Output is correct |
5 |
Correct |
2 ms |
2880 KB |
Output is correct |
6 |
Correct |
2 ms |
2656 KB |
Output is correct |
7 |
Correct |
2 ms |
2764 KB |
Output is correct |
8 |
Correct |
2 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2652 KB |
Output is correct |
10 |
Correct |
2 ms |
2764 KB |
Output is correct |
11 |
Correct |
2 ms |
2764 KB |
Output is correct |
12 |
Correct |
1 ms |
2660 KB |
Output is correct |
13 |
Correct |
2 ms |
2656 KB |
Output is correct |
14 |
Correct |
2 ms |
2656 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
1 ms |
2764 KB |
Output is correct |
17 |
Correct |
2 ms |
2764 KB |
Output is correct |
18 |
Correct |
2 ms |
2764 KB |
Output is correct |
19 |
Correct |
2 ms |
2656 KB |
Output is correct |
20 |
Correct |
2 ms |
2764 KB |
Output is correct |
21 |
Correct |
2 ms |
2764 KB |
Output is correct |
22 |
Correct |
2 ms |
2764 KB |
Output is correct |
23 |
Correct |
1 ms |
2764 KB |
Output is correct |
24 |
Correct |
2 ms |
2764 KB |
Output is correct |
25 |
Correct |
2 ms |
2764 KB |
Output is correct |
26 |
Correct |
3 ms |
2764 KB |
Output is correct |
27 |
Correct |
2 ms |
2764 KB |
Output is correct |
28 |
Correct |
3 ms |
2828 KB |
Output is correct |
29 |
Correct |
3 ms |
2764 KB |
Output is correct |
30 |
Correct |
2 ms |
2892 KB |
Output is correct |
31 |
Correct |
3 ms |
2912 KB |
Output is correct |
32 |
Incorrect |
2 ms |
2788 KB |
Output isn't correct |
33 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
12080 KB |
Output is correct |
2 |
Correct |
42 ms |
12996 KB |
Output is correct |
3 |
Correct |
28 ms |
11488 KB |
Output is correct |
4 |
Correct |
7 ms |
4216 KB |
Output is correct |
5 |
Correct |
5 ms |
3660 KB |
Output is correct |
6 |
Correct |
12 ms |
5044 KB |
Output is correct |
7 |
Correct |
2 ms |
2644 KB |
Output is correct |
8 |
Correct |
20 ms |
7116 KB |
Output is correct |
9 |
Correct |
27 ms |
9620 KB |
Output is correct |
10 |
Correct |
2 ms |
2788 KB |
Output is correct |
11 |
Correct |
38 ms |
10504 KB |
Output is correct |
12 |
Correct |
45 ms |
11724 KB |
Output is correct |
13 |
Correct |
2 ms |
2764 KB |
Output is correct |
14 |
Correct |
1 ms |
2764 KB |
Output is correct |
15 |
Correct |
2 ms |
2648 KB |
Output is correct |
16 |
Correct |
2 ms |
2656 KB |
Output is correct |
17 |
Correct |
2 ms |
2764 KB |
Output is correct |
18 |
Correct |
2 ms |
2880 KB |
Output is correct |
19 |
Correct |
2 ms |
2656 KB |
Output is correct |
20 |
Correct |
2 ms |
2764 KB |
Output is correct |
21 |
Correct |
2 ms |
2764 KB |
Output is correct |
22 |
Correct |
2 ms |
2652 KB |
Output is correct |
23 |
Correct |
2 ms |
2764 KB |
Output is correct |
24 |
Correct |
2 ms |
2764 KB |
Output is correct |
25 |
Correct |
1 ms |
2660 KB |
Output is correct |
26 |
Correct |
2 ms |
2656 KB |
Output is correct |
27 |
Correct |
2 ms |
2656 KB |
Output is correct |
28 |
Correct |
2 ms |
2636 KB |
Output is correct |
29 |
Correct |
1 ms |
2764 KB |
Output is correct |
30 |
Correct |
2 ms |
2764 KB |
Output is correct |
31 |
Correct |
2 ms |
2764 KB |
Output is correct |
32 |
Correct |
2 ms |
2656 KB |
Output is correct |
33 |
Correct |
2 ms |
2764 KB |
Output is correct |
34 |
Correct |
2 ms |
2764 KB |
Output is correct |
35 |
Correct |
2 ms |
2764 KB |
Output is correct |
36 |
Correct |
1 ms |
2764 KB |
Output is correct |
37 |
Correct |
2 ms |
2764 KB |
Output is correct |
38 |
Correct |
2 ms |
2764 KB |
Output is correct |
39 |
Correct |
46 ms |
13268 KB |
Output is correct |
40 |
Correct |
44 ms |
12940 KB |
Output is correct |
41 |
Correct |
28 ms |
11460 KB |
Output is correct |
42 |
Correct |
7 ms |
4300 KB |
Output is correct |
43 |
Correct |
1 ms |
2636 KB |
Output is correct |
44 |
Correct |
2 ms |
2648 KB |
Output is correct |
45 |
Correct |
1 ms |
2764 KB |
Output is correct |
46 |
Correct |
2 ms |
2764 KB |
Output is correct |
47 |
Correct |
2 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2660 KB |
Output is correct |
49 |
Correct |
2 ms |
2764 KB |
Output is correct |
50 |
Correct |
2 ms |
2764 KB |
Output is correct |
51 |
Correct |
2 ms |
2764 KB |
Output is correct |
52 |
Correct |
1 ms |
2764 KB |
Output is correct |
53 |
Correct |
1 ms |
2764 KB |
Output is correct |
54 |
Correct |
2 ms |
2764 KB |
Output is correct |
55 |
Correct |
2 ms |
2656 KB |
Output is correct |
56 |
Correct |
1 ms |
2656 KB |
Output is correct |
57 |
Correct |
54 ms |
10076 KB |
Output is correct |
58 |
Correct |
60 ms |
9976 KB |
Output is correct |
59 |
Correct |
54 ms |
9924 KB |
Output is correct |
60 |
Correct |
54 ms |
9964 KB |
Output is correct |
61 |
Correct |
54 ms |
10012 KB |
Output is correct |
62 |
Correct |
51 ms |
10052 KB |
Output is correct |
63 |
Correct |
54 ms |
9684 KB |
Output is correct |
64 |
Correct |
50 ms |
9652 KB |
Output is correct |
65 |
Correct |
51 ms |
9956 KB |
Output is correct |
66 |
Correct |
52 ms |
9940 KB |
Output is correct |
67 |
Correct |
54 ms |
9908 KB |
Output is correct |
68 |
Correct |
56 ms |
9928 KB |
Output is correct |
69 |
Correct |
54 ms |
10216 KB |
Output is correct |
70 |
Correct |
60 ms |
10188 KB |
Output is correct |
71 |
Correct |
1 ms |
2636 KB |
Output is correct |
72 |
Correct |
3 ms |
2924 KB |
Output is correct |
73 |
Correct |
3 ms |
2892 KB |
Output is correct |
74 |
Correct |
3 ms |
2892 KB |
Output is correct |
75 |
Correct |
3 ms |
2892 KB |
Output is correct |
76 |
Correct |
3 ms |
2924 KB |
Output is correct |
77 |
Correct |
3 ms |
3012 KB |
Output is correct |
78 |
Correct |
3 ms |
2892 KB |
Output is correct |
79 |
Correct |
3 ms |
2892 KB |
Output is correct |
80 |
Correct |
54 ms |
9924 KB |
Output is correct |
81 |
Correct |
60 ms |
9956 KB |
Output is correct |
82 |
Correct |
53 ms |
9924 KB |
Output is correct |
83 |
Correct |
52 ms |
9956 KB |
Output is correct |
84 |
Correct |
2 ms |
2892 KB |
Output is correct |
85 |
Correct |
3 ms |
2800 KB |
Output is correct |
86 |
Correct |
3 ms |
2892 KB |
Output is correct |
87 |
Correct |
2 ms |
2892 KB |
Output is correct |
88 |
Correct |
3 ms |
2924 KB |
Output is correct |
89 |
Correct |
3 ms |
2892 KB |
Output is correct |
90 |
Correct |
2 ms |
2892 KB |
Output is correct |
91 |
Correct |
3 ms |
2920 KB |
Output is correct |
92 |
Correct |
3 ms |
2892 KB |
Output is correct |
93 |
Correct |
3 ms |
2892 KB |
Output is correct |
94 |
Correct |
1 ms |
2764 KB |
Output is correct |
95 |
Correct |
1 ms |
2652 KB |
Output is correct |
96 |
Correct |
2 ms |
2764 KB |
Output is correct |
97 |
Correct |
2 ms |
2764 KB |
Output is correct |
98 |
Correct |
1 ms |
2764 KB |
Output is correct |
99 |
Correct |
2 ms |
2764 KB |
Output is correct |
100 |
Correct |
2 ms |
2764 KB |
Output is correct |
101 |
Correct |
1 ms |
2764 KB |
Output is correct |
102 |
Correct |
2 ms |
2656 KB |
Output is correct |
103 |
Correct |
2 ms |
2664 KB |
Output is correct |
104 |
Correct |
5 ms |
3660 KB |
Output is correct |
105 |
Correct |
11 ms |
5088 KB |
Output is correct |
106 |
Correct |
2 ms |
2764 KB |
Output is correct |
107 |
Correct |
22 ms |
7012 KB |
Output is correct |
108 |
Correct |
27 ms |
9524 KB |
Output is correct |
109 |
Correct |
2 ms |
2764 KB |
Output is correct |
110 |
Correct |
39 ms |
10464 KB |
Output is correct |
111 |
Correct |
50 ms |
11760 KB |
Output is correct |
112 |
Correct |
2 ms |
2764 KB |
Output is correct |
113 |
Correct |
64 ms |
18664 KB |
Output is correct |
114 |
Correct |
24 ms |
6368 KB |
Output is correct |
115 |
Incorrect |
23 ms |
6368 KB |
Output isn't correct |
116 |
Halted |
0 ms |
0 KB |
- |