#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;
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;
}
}
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 |
8 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 |
7 ms |
14288 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14288 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 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 |
7 ms |
14288 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14296 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14396 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 |
7 ms |
14364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 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 |
7 ms |
14288 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14296 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14396 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 |
7 ms |
14364 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 21 |
Correct |
7 ms |
14300 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14404 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14408 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 25 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 26 |
Correct |
12 ms |
14404 KB |
Output is correct |
| 27 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 29 |
Correct |
10 ms |
14536 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 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 |
7 ms |
14288 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14296 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14396 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 |
7 ms |
14364 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 21 |
Correct |
7 ms |
14300 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14404 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14408 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 25 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 26 |
Correct |
12 ms |
14404 KB |
Output is correct |
| 27 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 29 |
Correct |
10 ms |
14536 KB |
Output is correct |
| 30 |
Correct |
22 ms |
15660 KB |
Output is correct |
| 31 |
Correct |
12 ms |
14928 KB |
Output is correct |
| 32 |
Correct |
36 ms |
18808 KB |
Output is correct |
| 33 |
Correct |
26 ms |
16444 KB |
Output is correct |
| 34 |
Correct |
44 ms |
20992 KB |
Output is correct |
| 35 |
Correct |
41 ms |
18056 KB |
Output is correct |
| 36 |
Correct |
39 ms |
16456 KB |
Output is correct |
| 37 |
Correct |
39 ms |
16436 KB |
Output is correct |
| 38 |
Correct |
41 ms |
16196 KB |
Output is correct |
| 39 |
Correct |
39 ms |
16200 KB |
Output is correct |
| 40 |
Correct |
55 ms |
20680 KB |
Output is correct |
| 41 |
Correct |
40 ms |
17384 KB |
Output is correct |
| 42 |
Correct |
36 ms |
16972 KB |
Output is correct |
| 43 |
Correct |
39 ms |
17700 KB |
Output is correct |
| 44 |
Correct |
48 ms |
17624 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
8 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 |
7 ms |
14288 KB |
Output is correct |
| 7 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 10 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14288 KB |
Output is correct |
| 12 |
Correct |
8 ms |
14288 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14296 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14396 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 |
7 ms |
14364 KB |
Output is correct |
| 20 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 21 |
Correct |
7 ms |
14300 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14404 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14408 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 25 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 26 |
Correct |
12 ms |
14404 KB |
Output is correct |
| 27 |
Correct |
10 ms |
14416 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14416 KB |
Output is correct |
| 29 |
Correct |
10 ms |
14536 KB |
Output is correct |
| 30 |
Correct |
22 ms |
15660 KB |
Output is correct |
| 31 |
Correct |
12 ms |
14928 KB |
Output is correct |
| 32 |
Correct |
36 ms |
18808 KB |
Output is correct |
| 33 |
Correct |
26 ms |
16444 KB |
Output is correct |
| 34 |
Correct |
44 ms |
20992 KB |
Output is correct |
| 35 |
Correct |
41 ms |
18056 KB |
Output is correct |
| 36 |
Correct |
39 ms |
16456 KB |
Output is correct |
| 37 |
Correct |
39 ms |
16436 KB |
Output is correct |
| 38 |
Correct |
41 ms |
16196 KB |
Output is correct |
| 39 |
Correct |
39 ms |
16200 KB |
Output is correct |
| 40 |
Correct |
55 ms |
20680 KB |
Output is correct |
| 41 |
Correct |
40 ms |
17384 KB |
Output is correct |
| 42 |
Correct |
36 ms |
16972 KB |
Output is correct |
| 43 |
Correct |
39 ms |
17700 KB |
Output is correct |
| 44 |
Correct |
48 ms |
17624 KB |
Output is correct |
| 45 |
Correct |
262 ms |
28108 KB |
Output is correct |
| 46 |
Correct |
15 ms |
17104 KB |
Output is correct |
| 47 |
Correct |
13 ms |
17104 KB |
Output is correct |
| 48 |
Correct |
366 ms |
45528 KB |
Output is correct |
| 49 |
Correct |
275 ms |
35432 KB |
Output is correct |
| 50 |
Correct |
623 ms |
54796 KB |
Output is correct |
| 51 |
Correct |
804 ms |
46620 KB |
Output is correct |
| 52 |
Correct |
578 ms |
35704 KB |
Output is correct |
| 53 |
Correct |
764 ms |
35848 KB |
Output is correct |
| 54 |
Correct |
792 ms |
35496 KB |
Output is correct |
| 55 |
Correct |
921 ms |
35728 KB |
Output is correct |
| 56 |
Correct |
1069 ms |
35512 KB |
Output is correct |
| 57 |
Correct |
482 ms |
29616 KB |
Output is correct |
| 58 |
Correct |
430 ms |
29516 KB |
Output is correct |
| 59 |
Correct |
483 ms |
29708 KB |
Output is correct |
| 60 |
Correct |
524 ms |
29356 KB |
Output is correct |
| 61 |
Correct |
560 ms |
29344 KB |
Output is correct |
| 62 |
Correct |
426 ms |
41920 KB |
Output is correct |
| 63 |
Correct |
372 ms |
38496 KB |
Output is correct |
| 64 |
Correct |
1103 ms |
69636 KB |
Output is correct |
| 65 |
Correct |
459 ms |
37352 KB |
Output is correct |
| 66 |
Correct |
371 ms |
33264 KB |
Output is correct |
| 67 |
Correct |
793 ms |
42816 KB |
Output is correct |
| 68 |
Correct |
215 ms |
26272 KB |
Output is correct |
| 69 |
Correct |
54 ms |
20196 KB |
Output is correct |
| 70 |
Correct |
727 ms |
42592 KB |
Output is correct |
| 71 |
Correct |
294 ms |
29060 KB |
Output is correct |
| 72 |
Correct |
249 ms |
24840 KB |
Output is correct |
| 73 |
Correct |
597 ms |
39464 KB |
Output is correct |
| 74 |
Correct |
1284 ms |
35448 KB |
Output is correct |
| 75 |
Correct |
1068 ms |
47372 KB |
Output is correct |
| 76 |
Correct |
1077 ms |
54200 KB |
Output is correct |
