#include "game.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define all(c) c.begin(), c.end()
#define endl "\n"
vector<vector<int>> adj,trans;
void dfs(vector<int>&order, int u,vector<bool>&visited){
visited[u] = 1;
for(int v : adj[u]){
if(!visited[v])dfs(order, v, visited);
}
order.pb(u);
}
void SCC(vector<int>&scc, int u, vector<bool>&visited){
visited[u] = 1;
scc.pb(u);
for(int v : trans[u]){
if(!visited[v])SCC(scc, v, visited);
}
}
int N;
int K;
void init(int n, int k) {
adj.resize(n);
trans.resize(n);
N = n;
K = k;
for(int i = 0;i<=k-2;++i){
adj[i].pb(i+1);
trans[i+1].pb(i);
}
}
int add_teleporter(int u, int v) {
adj[u].pb(v);
trans[v].pb(u);
vector<int>order;
vector<bool>visited(N);
for(int i = 0;i<K;++i){
if(find(all(adj[i]), i) != adj[i].end()){
return 1;
}
}
for(int i = 0;i<N;++i){
if(!visited[i]){
dfs(order, i, visited);
}
}
visited.clear();
visited = vector<bool>(N);
for(int i = (int)(order.size()-1);i>=0;--i){
if(!visited[order[i]]){
vector<int>scc;
SCC(scc, order[i], visited);
if(scc.size() > 1){
for(auto x : scc){
if(x<K){
return 1;
}
}
}
}
}
return 0;
}
// int32_t main(){
// init(6,3);
// add_teleporter(3,4);
// add_teleporter(5, 0);
// add_teleporter(4, 5);
// add_teleporter(5, 3);
// add_teleporter(1, 4);
// // init(4,2);
// // add_teleporter(1,1);
// // init(3, 3);
// // add_teleporter(2,2);
// }
/*
edge case
init(6,3);
add_teleporter(5,4);
add_teleporter(4,3);
add_teleporter(3,2);
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
2 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
2 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
2 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
2 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
2 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
41 ms |
336 KB |
Output is correct |
21 |
Correct |
5 ms |
356 KB |
Output is correct |
22 |
Correct |
41 ms |
388 KB |
Output is correct |
23 |
Correct |
44 ms |
336 KB |
Output is correct |
24 |
Correct |
43 ms |
448 KB |
Output is correct |
25 |
Correct |
208 ms |
444 KB |
Output is correct |
26 |
Correct |
254 ms |
504 KB |
Output is correct |
27 |
Correct |
227 ms |
424 KB |
Output is correct |
28 |
Correct |
97 ms |
408 KB |
Output is correct |
29 |
Correct |
196 ms |
420 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
2 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
2 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
41 ms |
336 KB |
Output is correct |
21 |
Correct |
5 ms |
356 KB |
Output is correct |
22 |
Correct |
41 ms |
388 KB |
Output is correct |
23 |
Correct |
44 ms |
336 KB |
Output is correct |
24 |
Correct |
43 ms |
448 KB |
Output is correct |
25 |
Correct |
208 ms |
444 KB |
Output is correct |
26 |
Correct |
254 ms |
504 KB |
Output is correct |
27 |
Correct |
227 ms |
424 KB |
Output is correct |
28 |
Correct |
97 ms |
408 KB |
Output is correct |
29 |
Correct |
196 ms |
420 KB |
Output is correct |
30 |
Execution timed out |
4073 ms |
2196 KB |
Time limit exceeded |
31 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
2 ms |
208 KB |
Output is correct |
4 |
Correct |
1 ms |
208 KB |
Output is correct |
5 |
Correct |
2 ms |
208 KB |
Output is correct |
6 |
Correct |
3 ms |
208 KB |
Output is correct |
7 |
Correct |
2 ms |
208 KB |
Output is correct |
8 |
Correct |
0 ms |
208 KB |
Output is correct |
9 |
Correct |
0 ms |
208 KB |
Output is correct |
10 |
Correct |
0 ms |
208 KB |
Output is correct |
11 |
Correct |
1 ms |
208 KB |
Output is correct |
12 |
Correct |
1 ms |
208 KB |
Output is correct |
13 |
Correct |
1 ms |
208 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
2 ms |
208 KB |
Output is correct |
16 |
Correct |
2 ms |
208 KB |
Output is correct |
17 |
Correct |
2 ms |
208 KB |
Output is correct |
18 |
Correct |
1 ms |
208 KB |
Output is correct |
19 |
Correct |
2 ms |
208 KB |
Output is correct |
20 |
Correct |
41 ms |
336 KB |
Output is correct |
21 |
Correct |
5 ms |
356 KB |
Output is correct |
22 |
Correct |
41 ms |
388 KB |
Output is correct |
23 |
Correct |
44 ms |
336 KB |
Output is correct |
24 |
Correct |
43 ms |
448 KB |
Output is correct |
25 |
Correct |
208 ms |
444 KB |
Output is correct |
26 |
Correct |
254 ms |
504 KB |
Output is correct |
27 |
Correct |
227 ms |
424 KB |
Output is correct |
28 |
Correct |
97 ms |
408 KB |
Output is correct |
29 |
Correct |
196 ms |
420 KB |
Output is correct |
30 |
Execution timed out |
4073 ms |
2196 KB |
Time limit exceeded |
31 |
Halted |
0 ms |
0 KB |
- |