#include <bits/stdc++.h>
#define y e[x][i]
using namespace std;
typedef vector<int> vec;
void dfs(int x,int fa,bool d,int&sum,const vector<vec> &e,vec&res){
if(d) res[x]=sum++;
for(int i=0;i<e[x].size();i++)
if(y!=fa) dfs(y,x,d^1,sum,e,res);
if(!d) res[x]=sum++;
}
vec label(int n,int k,vec u,vec v){
vec res(n);vector<vec> e(n,vec());
for(int i=0;i<n-1;i++) {e[u[i]].push_back(v[i]);e[v[i]].push_back(u[i]);}
int sum=0;dfs(0,-1,1,sum,e,res);return res;
}
int find_next_station(int s,int t,vec c){
if(c[0]>s){
if(t<s||c.back()<t) return c.back();
return *lower_bound(c.begin(),c.end(),t);
}
if(t<c[0]||s<t) return c[0];
return *(upper_bound(c.begin(),c.end(),t)-1);
}
Compilation message
stations.cpp: In function 'void dfs(int, int, bool, int&, const std::vector<std::vector<int> >&, vec&)':
stations.cpp:7:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | for(int i=0;i<e[x].size();i++)
| ~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
533 ms |
960 KB |
Output is correct |
2 |
Correct |
445 ms |
968 KB |
Output is correct |
3 |
Correct |
987 ms |
756 KB |
Output is correct |
4 |
Correct |
670 ms |
884 KB |
Output is correct |
5 |
Correct |
676 ms |
756 KB |
Output is correct |
6 |
Correct |
479 ms |
884 KB |
Output is correct |
7 |
Correct |
474 ms |
992 KB |
Output is correct |
8 |
Correct |
3 ms |
876 KB |
Output is correct |
9 |
Correct |
5 ms |
736 KB |
Output is correct |
10 |
Correct |
2 ms |
736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
445 ms |
736 KB |
Output is correct |
2 |
Correct |
515 ms |
756 KB |
Output is correct |
3 |
Correct |
929 ms |
736 KB |
Output is correct |
4 |
Correct |
666 ms |
868 KB |
Output is correct |
5 |
Correct |
666 ms |
756 KB |
Output is correct |
6 |
Correct |
442 ms |
736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
513 ms |
864 KB |
Output is correct |
2 |
Correct |
443 ms |
952 KB |
Output is correct |
3 |
Correct |
936 ms |
1052 KB |
Output is correct |
4 |
Correct |
703 ms |
736 KB |
Output is correct |
5 |
Correct |
586 ms |
868 KB |
Output is correct |
6 |
Correct |
460 ms |
884 KB |
Output is correct |
7 |
Correct |
509 ms |
1188 KB |
Output is correct |
8 |
Correct |
3 ms |
868 KB |
Output is correct |
9 |
Correct |
5 ms |
756 KB |
Output is correct |
10 |
Correct |
2 ms |
756 KB |
Output is correct |
11 |
Correct |
612 ms |
756 KB |
Output is correct |
12 |
Correct |
452 ms |
864 KB |
Output is correct |
13 |
Correct |
464 ms |
884 KB |
Output is correct |
14 |
Correct |
441 ms |
1060 KB |
Output is correct |
15 |
Correct |
54 ms |
756 KB |
Output is correct |
16 |
Correct |
59 ms |
868 KB |
Output is correct |
17 |
Correct |
118 ms |
880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
891 ms |
868 KB |
Output is correct |
2 |
Correct |
701 ms |
868 KB |
Output is correct |
3 |
Correct |
590 ms |
1028 KB |
Output is correct |
4 |
Correct |
3 ms |
876 KB |
Output is correct |
5 |
Correct |
4 ms |
736 KB |
Output is correct |
6 |
Correct |
1 ms |
876 KB |
Output is correct |
7 |
Correct |
607 ms |
736 KB |
Output is correct |
8 |
Correct |
913 ms |
868 KB |
Output is correct |
9 |
Correct |
611 ms |
736 KB |
Output is correct |
10 |
Correct |
560 ms |
868 KB |
Output is correct |
11 |
Correct |
5 ms |
908 KB |
Output is correct |
12 |
Correct |
5 ms |
736 KB |
Output is correct |
13 |
Correct |
4 ms |
736 KB |
Output is correct |
14 |
Correct |
4 ms |
756 KB |
Output is correct |
15 |
Correct |
1 ms |
756 KB |
Output is correct |
16 |
Correct |
536 ms |
1012 KB |
Output is correct |
17 |
Correct |
490 ms |
868 KB |
Output is correct |
18 |
Correct |
489 ms |
756 KB |
Output is correct |
19 |
Correct |
499 ms |
1188 KB |
Output is correct |
20 |
Correct |
470 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
540 ms |
1024 KB |
Output is correct |
2 |
Correct |
446 ms |
864 KB |
Output is correct |
3 |
Correct |
861 ms |
736 KB |
Output is correct |
4 |
Correct |
666 ms |
848 KB |
Output is correct |
5 |
Correct |
577 ms |
876 KB |
Output is correct |
6 |
Correct |
486 ms |
864 KB |
Output is correct |
7 |
Correct |
433 ms |
1012 KB |
Output is correct |
8 |
Correct |
3 ms |
756 KB |
Output is correct |
9 |
Correct |
4 ms |
736 KB |
Output is correct |
10 |
Correct |
1 ms |
756 KB |
Output is correct |
11 |
Correct |
523 ms |
736 KB |
Output is correct |
12 |
Correct |
542 ms |
756 KB |
Output is correct |
13 |
Correct |
1178 ms |
876 KB |
Output is correct |
14 |
Correct |
738 ms |
736 KB |
Output is correct |
15 |
Correct |
600 ms |
1004 KB |
Output is correct |
16 |
Correct |
624 ms |
1012 KB |
Output is correct |
17 |
Correct |
676 ms |
868 KB |
Output is correct |
18 |
Correct |
547 ms |
1248 KB |
Output is correct |
19 |
Correct |
554 ms |
992 KB |
Output is correct |
20 |
Correct |
515 ms |
756 KB |
Output is correct |
21 |
Correct |
51 ms |
908 KB |
Output is correct |
22 |
Correct |
64 ms |
736 KB |
Output is correct |
23 |
Correct |
102 ms |
788 KB |
Output is correct |
24 |
Correct |
6 ms |
756 KB |
Output is correct |
25 |
Correct |
6 ms |
492 KB |
Output is correct |
26 |
Correct |
5 ms |
736 KB |
Output is correct |
27 |
Correct |
4 ms |
756 KB |
Output is correct |
28 |
Correct |
2 ms |
908 KB |
Output is correct |
29 |
Correct |
506 ms |
864 KB |
Output is correct |
30 |
Correct |
546 ms |
868 KB |
Output is correct |
31 |
Correct |
597 ms |
868 KB |
Output is correct |
32 |
Correct |
538 ms |
736 KB |
Output is correct |
33 |
Correct |
570 ms |
868 KB |
Output is correct |
34 |
Correct |
376 ms |
960 KB |
Output is correct |
35 |
Correct |
422 ms |
944 KB |
Output is correct |
36 |
Correct |
486 ms |
980 KB |
Output is correct |
37 |
Correct |
477 ms |
736 KB |
Output is correct |
38 |
Correct |
582 ms |
756 KB |
Output is correct |
39 |
Correct |
566 ms |
1004 KB |
Output is correct |
40 |
Correct |
465 ms |
1004 KB |
Output is correct |
41 |
Correct |
635 ms |
764 KB |
Output is correct |
42 |
Correct |
79 ms |
808 KB |
Output is correct |
43 |
Correct |
131 ms |
884 KB |
Output is correct |
44 |
Correct |
182 ms |
792 KB |
Output is correct |
45 |
Correct |
153 ms |
916 KB |
Output is correct |
46 |
Correct |
361 ms |
756 KB |
Output is correct |
47 |
Correct |
321 ms |
1008 KB |
Output is correct |
48 |
Correct |
80 ms |
784 KB |
Output is correct |
49 |
Correct |
63 ms |
924 KB |
Output is correct |