#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#include "dreaming.h"
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;
const int NMAX=1e5+5;
int n,m,fix[NMAX],mx[NMAX],NEXT[NMAX];
vector<pii> g[NMAX];
void dfs(int x, int p) {
mx[x]=0; NEXT[x]=-1; fix[x]=1;
if (x!=p && g[x].size()==1) return;
for (auto A:g[x]) {
int y=A.f,w=A.s;
if (y==p) continue;
dfs(y,x);
if (mx[x]<w+mx[y]) {
mx[x]=w+mx[y];
NEXT[x]=y;
}
}
}
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
n=N; m=M;
for (int i=0; i<m; i++) {
int a=A[i],b=B[i],c=T[i];
g[a].pb({b,c}); g[b].pb({a,c});
}
//subtask 1 & 2 & 3
int ans=0;
vector<int> u;
for (int i=0; i<n; i++) {
if (fix[i]==0) {
vector<int> v;
dfs(i,i);
int j=i;
while (j>=0) {
v.pb(j); j=NEXT[j];
}
int st=v.back(); v.clear();
dfs(st,st);
j=st;
while (j>=0) {
v.pb(j); j=NEXT[j];
}
int d=mx[st],mn=1e9;
for (auto x:v) {
mn=min(mn,max(mx[x],d-mx[x]));
}
u.pb(mn);
ans=max(ans,mx[st]);
}
}
sort(all(u)); reverse(all(u));
if (u.size()==1) return ans;
ans=max(ans,u[0]+L+u[1]);
return ans;
}
Compilation message
dreaming.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
1 | #pragma GCC diagnostic warning "-std=c++11"
| ^~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
15572 KB |
Output is correct |
2 |
Correct |
33 ms |
15832 KB |
Output is correct |
3 |
Correct |
25 ms |
11984 KB |
Output is correct |
4 |
Correct |
6 ms |
6236 KB |
Output is correct |
5 |
Correct |
5 ms |
5212 KB |
Output is correct |
6 |
Correct |
9 ms |
7112 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
16 ms |
8268 KB |
Output is correct |
9 |
Correct |
21 ms |
9884 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
29 ms |
11072 KB |
Output is correct |
12 |
Correct |
34 ms |
13352 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4552 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4540 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4532 KB |
Output is correct |
21 |
Correct |
1 ms |
4440 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
15572 KB |
Output is correct |
2 |
Correct |
33 ms |
15832 KB |
Output is correct |
3 |
Correct |
25 ms |
11984 KB |
Output is correct |
4 |
Correct |
6 ms |
6236 KB |
Output is correct |
5 |
Correct |
5 ms |
5212 KB |
Output is correct |
6 |
Correct |
9 ms |
7112 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
16 ms |
8268 KB |
Output is correct |
9 |
Correct |
21 ms |
9884 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
29 ms |
11072 KB |
Output is correct |
12 |
Correct |
34 ms |
13352 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
2 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4552 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4540 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4532 KB |
Output is correct |
34 |
Correct |
1 ms |
4440 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
4444 KB |
Output is correct |
39 |
Correct |
34 ms |
15576 KB |
Output is correct |
40 |
Correct |
37 ms |
15972 KB |
Output is correct |
41 |
Correct |
24 ms |
11980 KB |
Output is correct |
42 |
Correct |
6 ms |
6228 KB |
Output is correct |
43 |
Correct |
1 ms |
4440 KB |
Output is correct |
44 |
Correct |
1 ms |
4444 KB |
Output is correct |
45 |
Correct |
1 ms |
4444 KB |
Output is correct |
46 |
Correct |
1 ms |
4444 KB |
Output is correct |
47 |
Correct |
1 ms |
4444 KB |
Output is correct |
48 |
Correct |
1 ms |
4444 KB |
Output is correct |
49 |
Correct |
1 ms |
4444 KB |
Output is correct |
50 |
Correct |
1 ms |
4444 KB |
Output is correct |
51 |
Correct |
1 ms |
4444 KB |
Output is correct |
52 |
Correct |
1 ms |
4444 KB |
Output is correct |
53 |
Correct |
1 ms |
4444 KB |
Output is correct |
54 |
Correct |
1 ms |
4692 KB |
Output is correct |
55 |
Correct |
1 ms |
4444 KB |
Output is correct |
56 |
Correct |
1 ms |
4444 KB |
Output is correct |
57 |
Correct |
48 ms |
9328 KB |
Output is correct |
58 |
Correct |
36 ms |
9208 KB |
Output is correct |
59 |
Correct |
38 ms |
9296 KB |
Output is correct |
60 |
Correct |
36 ms |
9296 KB |
Output is correct |
61 |
Correct |
38 ms |
9300 KB |
Output is correct |
62 |
Correct |
37 ms |
9296 KB |
Output is correct |
63 |
Correct |
34 ms |
9040 KB |
Output is correct |
64 |
Correct |
36 ms |
9044 KB |
Output is correct |
65 |
Correct |
36 ms |
9296 KB |
Output is correct |
66 |
Correct |
36 ms |
9300 KB |
Output is correct |
67 |
Correct |
37 ms |
9364 KB |
Output is correct |
68 |
Correct |
37 ms |
9044 KB |
Output is correct |
69 |
Correct |
37 ms |
9400 KB |
Output is correct |
70 |
Correct |
39 ms |
9368 KB |
Output is correct |
71 |
Correct |
1 ms |
4440 KB |
Output is correct |
72 |
Correct |
2 ms |
4700 KB |
Output is correct |
73 |
Correct |
2 ms |
4700 KB |
Output is correct |
74 |
Correct |
2 ms |
4700 KB |
Output is correct |
75 |
Correct |
2 ms |
4700 KB |
Output is correct |
76 |
Correct |
2 ms |
4700 KB |
Output is correct |
77 |
Correct |
2 ms |
4700 KB |
Output is correct |
78 |
Correct |
2 ms |
4444 KB |
Output is correct |
79 |
Correct |
2 ms |
4700 KB |
Output is correct |
80 |
Correct |
42 ms |
9808 KB |
Output is correct |
81 |
Correct |
41 ms |
9228 KB |
Output is correct |
82 |
Correct |
36 ms |
9224 KB |
Output is correct |
83 |
Correct |
42 ms |
8936 KB |
Output is correct |
84 |
Correct |
1 ms |
4444 KB |
Output is correct |
85 |
Correct |
2 ms |
4444 KB |
Output is correct |
86 |
Correct |
2 ms |
4444 KB |
Output is correct |
87 |
Correct |
2 ms |
4440 KB |
Output is correct |
88 |
Correct |
2 ms |
4640 KB |
Output is correct |
89 |
Correct |
2 ms |
4440 KB |
Output is correct |
90 |
Correct |
2 ms |
4444 KB |
Output is correct |
91 |
Correct |
2 ms |
4440 KB |
Output is correct |
92 |
Correct |
2 ms |
4444 KB |
Output is correct |
93 |
Correct |
2 ms |
4440 KB |
Output is correct |
94 |
Correct |
1 ms |
4440 KB |
Output is correct |
95 |
Correct |
1 ms |
4444 KB |
Output is correct |
96 |
Correct |
1 ms |
4444 KB |
Output is correct |
97 |
Correct |
1 ms |
4444 KB |
Output is correct |
98 |
Correct |
1 ms |
4444 KB |
Output is correct |
99 |
Correct |
1 ms |
4444 KB |
Output is correct |
100 |
Correct |
1 ms |
4444 KB |
Output is correct |
101 |
Correct |
1 ms |
4444 KB |
Output is correct |
102 |
Correct |
1 ms |
4444 KB |
Output is correct |
103 |
Correct |
1 ms |
4596 KB |
Output is correct |
104 |
Correct |
4 ms |
5300 KB |
Output is correct |
105 |
Correct |
9 ms |
7004 KB |
Output is correct |
106 |
Correct |
1 ms |
4440 KB |
Output is correct |
107 |
Correct |
16 ms |
8028 KB |
Output is correct |
108 |
Correct |
25 ms |
9876 KB |
Output is correct |
109 |
Correct |
1 ms |
4444 KB |
Output is correct |
110 |
Correct |
29 ms |
11308 KB |
Output is correct |
111 |
Correct |
33 ms |
13528 KB |
Output is correct |
112 |
Correct |
1 ms |
4440 KB |
Output is correct |
113 |
Correct |
48 ms |
16432 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
15 ms |
7260 KB |
Output is correct |
2 |
Incorrect |
16 ms |
7388 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4552 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4540 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4444 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4532 KB |
Output is correct |
21 |
Correct |
1 ms |
4440 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
2 ms |
4444 KB |
Output is correct |
27 |
Correct |
2 ms |
4444 KB |
Output is correct |
28 |
Correct |
2 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
2 ms |
4444 KB |
Output is correct |
31 |
Correct |
2 ms |
4444 KB |
Output is correct |
32 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
33 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
34 ms |
15572 KB |
Output is correct |
2 |
Correct |
33 ms |
15832 KB |
Output is correct |
3 |
Correct |
25 ms |
11984 KB |
Output is correct |
4 |
Correct |
6 ms |
6236 KB |
Output is correct |
5 |
Correct |
5 ms |
5212 KB |
Output is correct |
6 |
Correct |
9 ms |
7112 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
16 ms |
8268 KB |
Output is correct |
9 |
Correct |
21 ms |
9884 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
29 ms |
11072 KB |
Output is correct |
12 |
Correct |
34 ms |
13352 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
2 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4552 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4540 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4444 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
4532 KB |
Output is correct |
34 |
Correct |
1 ms |
4440 KB |
Output is correct |
35 |
Correct |
1 ms |
4444 KB |
Output is correct |
36 |
Correct |
1 ms |
4444 KB |
Output is correct |
37 |
Correct |
1 ms |
4444 KB |
Output is correct |
38 |
Correct |
1 ms |
4444 KB |
Output is correct |
39 |
Correct |
34 ms |
15576 KB |
Output is correct |
40 |
Correct |
37 ms |
15972 KB |
Output is correct |
41 |
Correct |
24 ms |
11980 KB |
Output is correct |
42 |
Correct |
6 ms |
6228 KB |
Output is correct |
43 |
Correct |
1 ms |
4440 KB |
Output is correct |
44 |
Correct |
1 ms |
4444 KB |
Output is correct |
45 |
Correct |
1 ms |
4444 KB |
Output is correct |
46 |
Correct |
1 ms |
4444 KB |
Output is correct |
47 |
Correct |
1 ms |
4444 KB |
Output is correct |
48 |
Correct |
1 ms |
4444 KB |
Output is correct |
49 |
Correct |
1 ms |
4444 KB |
Output is correct |
50 |
Correct |
1 ms |
4444 KB |
Output is correct |
51 |
Correct |
1 ms |
4444 KB |
Output is correct |
52 |
Correct |
1 ms |
4444 KB |
Output is correct |
53 |
Correct |
1 ms |
4444 KB |
Output is correct |
54 |
Correct |
1 ms |
4692 KB |
Output is correct |
55 |
Correct |
1 ms |
4444 KB |
Output is correct |
56 |
Correct |
1 ms |
4444 KB |
Output is correct |
57 |
Correct |
48 ms |
9328 KB |
Output is correct |
58 |
Correct |
36 ms |
9208 KB |
Output is correct |
59 |
Correct |
38 ms |
9296 KB |
Output is correct |
60 |
Correct |
36 ms |
9296 KB |
Output is correct |
61 |
Correct |
38 ms |
9300 KB |
Output is correct |
62 |
Correct |
37 ms |
9296 KB |
Output is correct |
63 |
Correct |
34 ms |
9040 KB |
Output is correct |
64 |
Correct |
36 ms |
9044 KB |
Output is correct |
65 |
Correct |
36 ms |
9296 KB |
Output is correct |
66 |
Correct |
36 ms |
9300 KB |
Output is correct |
67 |
Correct |
37 ms |
9364 KB |
Output is correct |
68 |
Correct |
37 ms |
9044 KB |
Output is correct |
69 |
Correct |
37 ms |
9400 KB |
Output is correct |
70 |
Correct |
39 ms |
9368 KB |
Output is correct |
71 |
Correct |
1 ms |
4440 KB |
Output is correct |
72 |
Correct |
2 ms |
4700 KB |
Output is correct |
73 |
Correct |
2 ms |
4700 KB |
Output is correct |
74 |
Correct |
2 ms |
4700 KB |
Output is correct |
75 |
Correct |
2 ms |
4700 KB |
Output is correct |
76 |
Correct |
2 ms |
4700 KB |
Output is correct |
77 |
Correct |
2 ms |
4700 KB |
Output is correct |
78 |
Correct |
2 ms |
4444 KB |
Output is correct |
79 |
Correct |
2 ms |
4700 KB |
Output is correct |
80 |
Correct |
42 ms |
9808 KB |
Output is correct |
81 |
Correct |
41 ms |
9228 KB |
Output is correct |
82 |
Correct |
36 ms |
9224 KB |
Output is correct |
83 |
Correct |
42 ms |
8936 KB |
Output is correct |
84 |
Correct |
1 ms |
4444 KB |
Output is correct |
85 |
Correct |
2 ms |
4444 KB |
Output is correct |
86 |
Correct |
2 ms |
4444 KB |
Output is correct |
87 |
Correct |
2 ms |
4440 KB |
Output is correct |
88 |
Correct |
2 ms |
4640 KB |
Output is correct |
89 |
Correct |
2 ms |
4440 KB |
Output is correct |
90 |
Correct |
2 ms |
4444 KB |
Output is correct |
91 |
Correct |
2 ms |
4440 KB |
Output is correct |
92 |
Correct |
2 ms |
4444 KB |
Output is correct |
93 |
Correct |
2 ms |
4440 KB |
Output is correct |
94 |
Correct |
1 ms |
4440 KB |
Output is correct |
95 |
Correct |
1 ms |
4444 KB |
Output is correct |
96 |
Correct |
1 ms |
4444 KB |
Output is correct |
97 |
Correct |
1 ms |
4444 KB |
Output is correct |
98 |
Correct |
1 ms |
4444 KB |
Output is correct |
99 |
Correct |
1 ms |
4444 KB |
Output is correct |
100 |
Correct |
1 ms |
4444 KB |
Output is correct |
101 |
Correct |
1 ms |
4444 KB |
Output is correct |
102 |
Correct |
1 ms |
4444 KB |
Output is correct |
103 |
Correct |
1 ms |
4596 KB |
Output is correct |
104 |
Correct |
4 ms |
5300 KB |
Output is correct |
105 |
Correct |
9 ms |
7004 KB |
Output is correct |
106 |
Correct |
1 ms |
4440 KB |
Output is correct |
107 |
Correct |
16 ms |
8028 KB |
Output is correct |
108 |
Correct |
25 ms |
9876 KB |
Output is correct |
109 |
Correct |
1 ms |
4444 KB |
Output is correct |
110 |
Correct |
29 ms |
11308 KB |
Output is correct |
111 |
Correct |
33 ms |
13528 KB |
Output is correct |
112 |
Correct |
1 ms |
4440 KB |
Output is correct |
113 |
Correct |
48 ms |
16432 KB |
Output is correct |
114 |
Correct |
15 ms |
7260 KB |
Output is correct |
115 |
Incorrect |
16 ms |
7388 KB |
Output isn't correct |
116 |
Halted |
0 ms |
0 KB |
- |