#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int MOD=1e9+7;
int n,k;
vector<int> adj[300001],rev[300001];
pair<int,int> range[300001];
//rightmost special node to go i, leftmost special node i can go to
void init(int N,int K){
n=N;
k=K;
for (int i=1;i<=k;i++){
//adj[i].pb(i+1);
//rev[i+1].pb(i);
range[i]=mp(i,i);
}
for (int i=k+1;i<=n;i++){
range[i]=mp(0,k+1);
}
}
bool upd(int u,int v){
if (range[u].second<=range[v].first) return false;
if (range[u].first>=range[v].second) return true;
if (range[u]==range[v]) return false;
//u1 u u2
//v1 v v2
//u2>v1 and u1<v2
//if we use u->v edge,v1=max(u1,v1) and u2=min(u2,v2)
if ((range[v].first+range[v].second)/2<range[u].first){
while ((range[v].first+range[v].second)/2<range[u].first){
range[v].first=(range[v].first+range[v].second)/2+1;
}
for (auto i:adj[v]){
if (upd(v,i)) return true;
}
}
if ((range[u].second+range[u].first)/2>=range[v].second){
while ((range[u].second+range[u].first)/2>=range[v].second){
range[u].second=(range[u].second+range[u].first)/2;
}
for (auto i:rev[u]){
if (upd(i,u)) return true;
}
}
return false;
}
int add_teleporter(int u,int v){
u++;
v++;
if (u>=v && u<=k) return 1;
if (u==v) return 0;
adj[u].pb(v);
rev[v].pb(u);
return upd(u,v);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14288 KB |
Output is correct |
2 |
Correct |
8 ms |
14288 KB |
Output is correct |
3 |
Correct |
8 ms |
14288 KB |
Output is correct |
4 |
Correct |
8 ms |
14288 KB |
Output is correct |
5 |
Correct |
8 ms |
14288 KB |
Output is correct |
6 |
Correct |
8 ms |
14288 KB |
Output is correct |
7 |
Correct |
9 ms |
14288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14288 KB |
Output is correct |
2 |
Correct |
8 ms |
14288 KB |
Output is correct |
3 |
Correct |
8 ms |
14288 KB |
Output is correct |
4 |
Correct |
8 ms |
14288 KB |
Output is correct |
5 |
Correct |
8 ms |
14288 KB |
Output is correct |
6 |
Correct |
8 ms |
14288 KB |
Output is correct |
7 |
Correct |
9 ms |
14288 KB |
Output is correct |
8 |
Correct |
8 ms |
14376 KB |
Output is correct |
9 |
Correct |
7 ms |
14288 KB |
Output is correct |
10 |
Correct |
8 ms |
14368 KB |
Output is correct |
11 |
Correct |
8 ms |
14284 KB |
Output is correct |
12 |
Correct |
9 ms |
14288 KB |
Output is correct |
13 |
Correct |
8 ms |
14296 KB |
Output is correct |
14 |
Correct |
8 ms |
14288 KB |
Output is correct |
15 |
Correct |
7 ms |
14288 KB |
Output is correct |
16 |
Correct |
8 ms |
14288 KB |
Output is correct |
17 |
Correct |
8 ms |
14288 KB |
Output is correct |
18 |
Correct |
8 ms |
14288 KB |
Output is correct |
19 |
Correct |
10 ms |
14304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14288 KB |
Output is correct |
2 |
Correct |
8 ms |
14288 KB |
Output is correct |
3 |
Correct |
8 ms |
14288 KB |
Output is correct |
4 |
Correct |
8 ms |
14288 KB |
Output is correct |
5 |
Correct |
8 ms |
14288 KB |
Output is correct |
6 |
Correct |
8 ms |
14288 KB |
Output is correct |
7 |
Correct |
9 ms |
14288 KB |
Output is correct |
8 |
Correct |
8 ms |
14376 KB |
Output is correct |
9 |
Correct |
7 ms |
14288 KB |
Output is correct |
10 |
Correct |
8 ms |
14368 KB |
Output is correct |
11 |
Correct |
8 ms |
14284 KB |
Output is correct |
12 |
Correct |
9 ms |
14288 KB |
Output is correct |
13 |
Correct |
8 ms |
14296 KB |
Output is correct |
14 |
Correct |
8 ms |
14288 KB |
Output is correct |
15 |
Correct |
7 ms |
14288 KB |
Output is correct |
16 |
Correct |
8 ms |
14288 KB |
Output is correct |
17 |
Correct |
8 ms |
14288 KB |
Output is correct |
18 |
Correct |
8 ms |
14288 KB |
Output is correct |
19 |
Correct |
10 ms |
14304 KB |
Output is correct |
20 |
Correct |
10 ms |
14416 KB |
Output is correct |
21 |
Correct |
8 ms |
14408 KB |
Output is correct |
22 |
Correct |
9 ms |
14424 KB |
Output is correct |
23 |
Correct |
9 ms |
14416 KB |
Output is correct |
24 |
Correct |
9 ms |
14416 KB |
Output is correct |
25 |
Correct |
10 ms |
14420 KB |
Output is correct |
26 |
Correct |
11 ms |
14388 KB |
Output is correct |
27 |
Correct |
12 ms |
14416 KB |
Output is correct |
28 |
Correct |
9 ms |
14544 KB |
Output is correct |
29 |
Correct |
10 ms |
14544 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14288 KB |
Output is correct |
2 |
Correct |
8 ms |
14288 KB |
Output is correct |
3 |
Correct |
8 ms |
14288 KB |
Output is correct |
4 |
Correct |
8 ms |
14288 KB |
Output is correct |
5 |
Correct |
8 ms |
14288 KB |
Output is correct |
6 |
Correct |
8 ms |
14288 KB |
Output is correct |
7 |
Correct |
9 ms |
14288 KB |
Output is correct |
8 |
Correct |
8 ms |
14376 KB |
Output is correct |
9 |
Correct |
7 ms |
14288 KB |
Output is correct |
10 |
Correct |
8 ms |
14368 KB |
Output is correct |
11 |
Correct |
8 ms |
14284 KB |
Output is correct |
12 |
Correct |
9 ms |
14288 KB |
Output is correct |
13 |
Correct |
8 ms |
14296 KB |
Output is correct |
14 |
Correct |
8 ms |
14288 KB |
Output is correct |
15 |
Correct |
7 ms |
14288 KB |
Output is correct |
16 |
Correct |
8 ms |
14288 KB |
Output is correct |
17 |
Correct |
8 ms |
14288 KB |
Output is correct |
18 |
Correct |
8 ms |
14288 KB |
Output is correct |
19 |
Correct |
10 ms |
14304 KB |
Output is correct |
20 |
Correct |
10 ms |
14416 KB |
Output is correct |
21 |
Correct |
8 ms |
14408 KB |
Output is correct |
22 |
Correct |
9 ms |
14424 KB |
Output is correct |
23 |
Correct |
9 ms |
14416 KB |
Output is correct |
24 |
Correct |
9 ms |
14416 KB |
Output is correct |
25 |
Correct |
10 ms |
14420 KB |
Output is correct |
26 |
Correct |
11 ms |
14388 KB |
Output is correct |
27 |
Correct |
12 ms |
14416 KB |
Output is correct |
28 |
Correct |
9 ms |
14544 KB |
Output is correct |
29 |
Correct |
10 ms |
14544 KB |
Output is correct |
30 |
Correct |
24 ms |
15720 KB |
Output is correct |
31 |
Correct |
16 ms |
14928 KB |
Output is correct |
32 |
Correct |
27 ms |
17512 KB |
Output is correct |
33 |
Correct |
31 ms |
16456 KB |
Output is correct |
34 |
Correct |
41 ms |
20928 KB |
Output is correct |
35 |
Correct |
37 ms |
17960 KB |
Output is correct |
36 |
Correct |
44 ms |
16468 KB |
Output is correct |
37 |
Correct |
36 ms |
16384 KB |
Output is correct |
38 |
Correct |
30 ms |
16176 KB |
Output is correct |
39 |
Correct |
42 ms |
16280 KB |
Output is correct |
40 |
Correct |
75 ms |
20648 KB |
Output is correct |
41 |
Correct |
38 ms |
17408 KB |
Output is correct |
42 |
Correct |
38 ms |
16972 KB |
Output is correct |
43 |
Correct |
46 ms |
17772 KB |
Output is correct |
44 |
Correct |
52 ms |
17508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14288 KB |
Output is correct |
2 |
Correct |
8 ms |
14288 KB |
Output is correct |
3 |
Correct |
8 ms |
14288 KB |
Output is correct |
4 |
Correct |
8 ms |
14288 KB |
Output is correct |
5 |
Correct |
8 ms |
14288 KB |
Output is correct |
6 |
Correct |
8 ms |
14288 KB |
Output is correct |
7 |
Correct |
9 ms |
14288 KB |
Output is correct |
8 |
Correct |
8 ms |
14376 KB |
Output is correct |
9 |
Correct |
7 ms |
14288 KB |
Output is correct |
10 |
Correct |
8 ms |
14368 KB |
Output is correct |
11 |
Correct |
8 ms |
14284 KB |
Output is correct |
12 |
Correct |
9 ms |
14288 KB |
Output is correct |
13 |
Correct |
8 ms |
14296 KB |
Output is correct |
14 |
Correct |
8 ms |
14288 KB |
Output is correct |
15 |
Correct |
7 ms |
14288 KB |
Output is correct |
16 |
Correct |
8 ms |
14288 KB |
Output is correct |
17 |
Correct |
8 ms |
14288 KB |
Output is correct |
18 |
Correct |
8 ms |
14288 KB |
Output is correct |
19 |
Correct |
10 ms |
14304 KB |
Output is correct |
20 |
Correct |
10 ms |
14416 KB |
Output is correct |
21 |
Correct |
8 ms |
14408 KB |
Output is correct |
22 |
Correct |
9 ms |
14424 KB |
Output is correct |
23 |
Correct |
9 ms |
14416 KB |
Output is correct |
24 |
Correct |
9 ms |
14416 KB |
Output is correct |
25 |
Correct |
10 ms |
14420 KB |
Output is correct |
26 |
Correct |
11 ms |
14388 KB |
Output is correct |
27 |
Correct |
12 ms |
14416 KB |
Output is correct |
28 |
Correct |
9 ms |
14544 KB |
Output is correct |
29 |
Correct |
10 ms |
14544 KB |
Output is correct |
30 |
Correct |
24 ms |
15720 KB |
Output is correct |
31 |
Correct |
16 ms |
14928 KB |
Output is correct |
32 |
Correct |
27 ms |
17512 KB |
Output is correct |
33 |
Correct |
31 ms |
16456 KB |
Output is correct |
34 |
Correct |
41 ms |
20928 KB |
Output is correct |
35 |
Correct |
37 ms |
17960 KB |
Output is correct |
36 |
Correct |
44 ms |
16468 KB |
Output is correct |
37 |
Correct |
36 ms |
16384 KB |
Output is correct |
38 |
Correct |
30 ms |
16176 KB |
Output is correct |
39 |
Correct |
42 ms |
16280 KB |
Output is correct |
40 |
Correct |
75 ms |
20648 KB |
Output is correct |
41 |
Correct |
38 ms |
17408 KB |
Output is correct |
42 |
Correct |
38 ms |
16972 KB |
Output is correct |
43 |
Correct |
46 ms |
17772 KB |
Output is correct |
44 |
Correct |
52 ms |
17508 KB |
Output is correct |
45 |
Correct |
282 ms |
28056 KB |
Output is correct |
46 |
Correct |
14 ms |
17104 KB |
Output is correct |
47 |
Correct |
13 ms |
17092 KB |
Output is correct |
48 |
Correct |
360 ms |
45560 KB |
Output is correct |
49 |
Correct |
281 ms |
35472 KB |
Output is correct |
50 |
Correct |
632 ms |
54916 KB |
Output is correct |
51 |
Correct |
806 ms |
46816 KB |
Output is correct |
52 |
Correct |
573 ms |
35532 KB |
Output is correct |
53 |
Correct |
740 ms |
35680 KB |
Output is correct |
54 |
Correct |
770 ms |
35356 KB |
Output is correct |
55 |
Correct |
991 ms |
35712 KB |
Output is correct |
56 |
Correct |
1154 ms |
35512 KB |
Output is correct |
57 |
Correct |
445 ms |
29380 KB |
Output is correct |
58 |
Correct |
503 ms |
29384 KB |
Output is correct |
59 |
Correct |
509 ms |
29656 KB |
Output is correct |
60 |
Correct |
481 ms |
29564 KB |
Output is correct |
61 |
Correct |
590 ms |
29812 KB |
Output is correct |
62 |
Correct |
518 ms |
41796 KB |
Output is correct |
63 |
Correct |
365 ms |
38580 KB |
Output is correct |
64 |
Correct |
1078 ms |
69764 KB |
Output is correct |
65 |
Correct |
501 ms |
37336 KB |
Output is correct |
66 |
Correct |
390 ms |
33264 KB |
Output is correct |
67 |
Correct |
819 ms |
42888 KB |
Output is correct |
68 |
Correct |
234 ms |
26328 KB |
Output is correct |
69 |
Correct |
74 ms |
20168 KB |
Output is correct |
70 |
Correct |
765 ms |
42528 KB |
Output is correct |
71 |
Correct |
366 ms |
29072 KB |
Output is correct |
72 |
Correct |
252 ms |
24888 KB |
Output is correct |
73 |
Correct |
675 ms |
39400 KB |
Output is correct |
74 |
Correct |
1277 ms |
35396 KB |
Output is correct |
75 |
Correct |
1051 ms |
47296 KB |
Output is correct |
76 |
Correct |
1075 ms |
54224 KB |
Output is correct |