#include <bits/stdc++.h>
#include "game.h"
using namespace std;
const int N = 3e4+4, K = 1e3+3, X = 1e3+3;
mt19937 rng(time(nullptr));
bool cycle;
int n, k, nodes[X];
vector<int> adj[N], adj2[N];
bitset<N> st, nd, sp;
bitset<K> bt[X];
void dfs2(int u) {
st[u] = 1;
for (int& v : adj2[u]) {
if (st[v]) continue;
dfs2(v);
}
}
void dfs(int u) {
nd[u] = 1;
for (int& v : adj[u]) {
if (nd[v]) continue;
dfs(v);
}
}
void init(int N, int K) {
n = N;
k = K;
cycle = 0;
for (int i = 0; i < n; i++) {
adj[i].clear();
adj2[i].clear();
}
for (int i = 0; i+1 < k; i++) {
adj[i].push_back(i+1);
adj2[i+1].push_back(i);
}
sp.reset();
for (int i = 0; i < X; i++) {
bt[i].reset();
nodes[i] = rng() % n;
sp[nodes[i]] = 1;
}
}
int add_teleporter(int u, int v) {
if (cycle) return 1;
adj[u].push_back(v);
adj2[v].push_back(u);
st.reset();
nd.reset();
dfs(v);
dfs2(u);
bool b = 0;
for (int i = 0; i < k; i++) {
if (st[i] && st[i] == nd[i]) b = 1;
}
return cycle = b;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
3 ms |
1880 KB |
Output is correct |
3 |
Correct |
2 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
2 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
3 ms |
1880 KB |
Output is correct |
3 |
Correct |
2 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
2 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1880 KB |
Output is correct |
10 |
Correct |
1 ms |
2132 KB |
Output is correct |
11 |
Correct |
1 ms |
1880 KB |
Output is correct |
12 |
Correct |
1 ms |
1880 KB |
Output is correct |
13 |
Correct |
1 ms |
1880 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
1 ms |
1880 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
1 ms |
1880 KB |
Output is correct |
18 |
Correct |
1 ms |
1880 KB |
Output is correct |
19 |
Correct |
1 ms |
1880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
3 ms |
1880 KB |
Output is correct |
3 |
Correct |
2 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
2 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1880 KB |
Output is correct |
10 |
Correct |
1 ms |
2132 KB |
Output is correct |
11 |
Correct |
1 ms |
1880 KB |
Output is correct |
12 |
Correct |
1 ms |
1880 KB |
Output is correct |
13 |
Correct |
1 ms |
1880 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
1 ms |
1880 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
1 ms |
1880 KB |
Output is correct |
18 |
Correct |
1 ms |
1880 KB |
Output is correct |
19 |
Correct |
1 ms |
1880 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1880 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
2 ms |
1880 KB |
Output is correct |
24 |
Correct |
5 ms |
1896 KB |
Output is correct |
25 |
Correct |
18 ms |
2136 KB |
Output is correct |
26 |
Correct |
22 ms |
2136 KB |
Output is correct |
27 |
Correct |
13 ms |
2136 KB |
Output is correct |
28 |
Correct |
8 ms |
1880 KB |
Output is correct |
29 |
Correct |
16 ms |
2320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
3 ms |
1880 KB |
Output is correct |
3 |
Correct |
2 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
2 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1880 KB |
Output is correct |
10 |
Correct |
1 ms |
2132 KB |
Output is correct |
11 |
Correct |
1 ms |
1880 KB |
Output is correct |
12 |
Correct |
1 ms |
1880 KB |
Output is correct |
13 |
Correct |
1 ms |
1880 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
1 ms |
1880 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
1 ms |
1880 KB |
Output is correct |
18 |
Correct |
1 ms |
1880 KB |
Output is correct |
19 |
Correct |
1 ms |
1880 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1880 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
2 ms |
1880 KB |
Output is correct |
24 |
Correct |
5 ms |
1896 KB |
Output is correct |
25 |
Correct |
18 ms |
2136 KB |
Output is correct |
26 |
Correct |
22 ms |
2136 KB |
Output is correct |
27 |
Correct |
13 ms |
2136 KB |
Output is correct |
28 |
Correct |
8 ms |
1880 KB |
Output is correct |
29 |
Correct |
16 ms |
2320 KB |
Output is correct |
30 |
Correct |
29 ms |
3568 KB |
Output is correct |
31 |
Correct |
13 ms |
2648 KB |
Output is correct |
32 |
Correct |
52 ms |
4548 KB |
Output is correct |
33 |
Correct |
47 ms |
3920 KB |
Output is correct |
34 |
Correct |
1040 ms |
5208 KB |
Output is correct |
35 |
Correct |
3841 ms |
4944 KB |
Output is correct |
36 |
Correct |
1969 ms |
4084 KB |
Output is correct |
37 |
Correct |
1103 ms |
4268 KB |
Output is correct |
38 |
Correct |
1352 ms |
3944 KB |
Output is correct |
39 |
Correct |
1209 ms |
4136 KB |
Output is correct |
40 |
Correct |
1168 ms |
5216 KB |
Output is correct |
41 |
Execution timed out |
4009 ms |
4356 KB |
Time limit exceeded |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
1880 KB |
Output is correct |
2 |
Correct |
3 ms |
1880 KB |
Output is correct |
3 |
Correct |
2 ms |
1880 KB |
Output is correct |
4 |
Correct |
1 ms |
1880 KB |
Output is correct |
5 |
Correct |
2 ms |
1880 KB |
Output is correct |
6 |
Correct |
1 ms |
1880 KB |
Output is correct |
7 |
Correct |
1 ms |
1880 KB |
Output is correct |
8 |
Correct |
1 ms |
1880 KB |
Output is correct |
9 |
Correct |
1 ms |
1880 KB |
Output is correct |
10 |
Correct |
1 ms |
2132 KB |
Output is correct |
11 |
Correct |
1 ms |
1880 KB |
Output is correct |
12 |
Correct |
1 ms |
1880 KB |
Output is correct |
13 |
Correct |
1 ms |
1880 KB |
Output is correct |
14 |
Correct |
2 ms |
1880 KB |
Output is correct |
15 |
Correct |
1 ms |
1880 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
1 ms |
1880 KB |
Output is correct |
18 |
Correct |
1 ms |
1880 KB |
Output is correct |
19 |
Correct |
1 ms |
1880 KB |
Output is correct |
20 |
Correct |
2 ms |
1880 KB |
Output is correct |
21 |
Correct |
1 ms |
1880 KB |
Output is correct |
22 |
Correct |
2 ms |
1880 KB |
Output is correct |
23 |
Correct |
2 ms |
1880 KB |
Output is correct |
24 |
Correct |
5 ms |
1896 KB |
Output is correct |
25 |
Correct |
18 ms |
2136 KB |
Output is correct |
26 |
Correct |
22 ms |
2136 KB |
Output is correct |
27 |
Correct |
13 ms |
2136 KB |
Output is correct |
28 |
Correct |
8 ms |
1880 KB |
Output is correct |
29 |
Correct |
16 ms |
2320 KB |
Output is correct |
30 |
Correct |
29 ms |
3568 KB |
Output is correct |
31 |
Correct |
13 ms |
2648 KB |
Output is correct |
32 |
Correct |
52 ms |
4548 KB |
Output is correct |
33 |
Correct |
47 ms |
3920 KB |
Output is correct |
34 |
Correct |
1040 ms |
5208 KB |
Output is correct |
35 |
Correct |
3841 ms |
4944 KB |
Output is correct |
36 |
Correct |
1969 ms |
4084 KB |
Output is correct |
37 |
Correct |
1103 ms |
4268 KB |
Output is correct |
38 |
Correct |
1352 ms |
3944 KB |
Output is correct |
39 |
Correct |
1209 ms |
4136 KB |
Output is correct |
40 |
Correct |
1168 ms |
5216 KB |
Output is correct |
41 |
Execution timed out |
4009 ms |
4356 KB |
Time limit exceeded |
42 |
Halted |
0 ms |
0 KB |
- |