//#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
const int N = 1e5 + 5;
int dist[N][2];
int way[N][2];
vector<int> g[N];
int used[N];
int cycle;
void dfs(int v) {
used[v] = 1;
for (int u : g[v]) {
if (used[u] == 1) {
cycle = 1;
}
if (!used[u]) {
dfs(u);
}
}
used[v] = 2;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n, m;
cin >> n >> m;
for (int i = 1; i <= n; i++) {
int k;
cin >> k;
while (k--) {
int v;
cin >> v;
g[i].push_back(v);
}
}
int st;
cin >> st;
dfs(st);
dist[st][0] = 1;
queue<pair<int, int>> q;
q.push({ st, 0 });
while (!q.empty()) {
auto p = q.front();
q.pop();
for (int u : g[p.first]) {
if (!dist[u][p.second ^ 1]) {
way[u][p.second ^ 1] = p.first;
dist[u][p.second ^ 1] = 1;
q.push({ u, p.second ^ 1 });
}
}
}
int kek = 0;
for (int i = 1; i <= n; i++) {
if (g[i].empty() && dist[i][1]) {
kek = i;
}
}
if (kek) {
cout << "Win\n";
vector<int> path;
int t = 1;
for (; kek; kek = way[kek][t], t ^= 1) {
path.push_back(kek);
}
reverse(path.begin(), path.end());
for (int v : path) {
cout << v << ' ';
}
return 0;
}
if (cycle) {
cout << "Draw";
} else {
cout << "Lose";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2808 KB |
Correct solution. |
2 |
Correct |
4 ms |
2680 KB |
Correct solution. |
3 |
Correct |
4 ms |
2680 KB |
Correct solution. |
4 |
Correct |
61 ms |
9336 KB |
Correct solution. |
5 |
Correct |
36 ms |
7160 KB |
Correct solution. |
6 |
Correct |
50 ms |
9208 KB |
Correct solution. |
7 |
Correct |
87 ms |
12780 KB |
Correct solution. |
8 |
Correct |
98 ms |
11640 KB |
Correct solution. |
9 |
Correct |
80 ms |
11640 KB |
Correct solution. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Correct solution. |
2 |
Correct |
4 ms |
2680 KB |
Correct solution. |
3 |
Correct |
4 ms |
2680 KB |
Correct solution. |
4 |
Correct |
47 ms |
6924 KB |
Correct solution. |
5 |
Correct |
5 ms |
2680 KB |
Correct solution. |
6 |
Correct |
11 ms |
3576 KB |
Correct solution. |
7 |
Correct |
89 ms |
11380 KB |
Correct solution. |
8 |
Correct |
79 ms |
11460 KB |
Correct solution. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Correct solution. |
2 |
Correct |
4 ms |
2680 KB |
Correct solution. |
3 |
Correct |
4 ms |
2680 KB |
Correct solution. |
4 |
Correct |
4 ms |
2680 KB |
Correct solution. |
5 |
Correct |
4 ms |
2680 KB |
Correct solution. |
6 |
Correct |
6 ms |
2808 KB |
Correct solution. |
7 |
Correct |
5 ms |
2808 KB |
Correct solution. |
8 |
Correct |
5 ms |
2808 KB |
Correct solution. |
9 |
Correct |
5 ms |
2808 KB |
Correct solution. |
10 |
Correct |
5 ms |
2808 KB |
Correct solution. |
11 |
Correct |
5 ms |
2808 KB |
Correct solution. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Correct solution. |
2 |
Correct |
4 ms |
2680 KB |
Correct solution. |
3 |
Correct |
4 ms |
2680 KB |
Correct solution. |
4 |
Correct |
4 ms |
2680 KB |
Correct solution. |
5 |
Correct |
4 ms |
2680 KB |
Correct solution. |
6 |
Correct |
6 ms |
2808 KB |
Correct solution. |
7 |
Correct |
5 ms |
2808 KB |
Correct solution. |
8 |
Correct |
5 ms |
2808 KB |
Correct solution. |
9 |
Correct |
5 ms |
2808 KB |
Correct solution. |
10 |
Correct |
5 ms |
2808 KB |
Correct solution. |
11 |
Correct |
5 ms |
2808 KB |
Correct solution. |
12 |
Correct |
27 ms |
4704 KB |
Correct solution. |
13 |
Correct |
32 ms |
5240 KB |
Correct solution. |
14 |
Correct |
30 ms |
4984 KB |
Correct solution. |
15 |
Correct |
32 ms |
4984 KB |
Correct solution. |
16 |
Correct |
30 ms |
4984 KB |
Correct solution. |
17 |
Correct |
6 ms |
3064 KB |
Correct solution. |
18 |
Correct |
29 ms |
5240 KB |
Correct solution. |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2808 KB |
Correct solution. |
2 |
Correct |
4 ms |
2680 KB |
Correct solution. |
3 |
Correct |
4 ms |
2680 KB |
Correct solution. |
4 |
Correct |
61 ms |
9336 KB |
Correct solution. |
5 |
Correct |
36 ms |
7160 KB |
Correct solution. |
6 |
Correct |
50 ms |
9208 KB |
Correct solution. |
7 |
Correct |
87 ms |
12780 KB |
Correct solution. |
8 |
Correct |
98 ms |
11640 KB |
Correct solution. |
9 |
Correct |
80 ms |
11640 KB |
Correct solution. |
10 |
Correct |
4 ms |
2680 KB |
Correct solution. |
11 |
Correct |
4 ms |
2680 KB |
Correct solution. |
12 |
Correct |
4 ms |
2680 KB |
Correct solution. |
13 |
Correct |
47 ms |
6924 KB |
Correct solution. |
14 |
Correct |
5 ms |
2680 KB |
Correct solution. |
15 |
Correct |
11 ms |
3576 KB |
Correct solution. |
16 |
Correct |
89 ms |
11380 KB |
Correct solution. |
17 |
Correct |
79 ms |
11460 KB |
Correct solution. |
18 |
Correct |
4 ms |
2680 KB |
Correct solution. |
19 |
Correct |
4 ms |
2680 KB |
Correct solution. |
20 |
Correct |
4 ms |
2680 KB |
Correct solution. |
21 |
Correct |
4 ms |
2680 KB |
Correct solution. |
22 |
Correct |
4 ms |
2680 KB |
Correct solution. |
23 |
Correct |
6 ms |
2808 KB |
Correct solution. |
24 |
Correct |
5 ms |
2808 KB |
Correct solution. |
25 |
Correct |
5 ms |
2808 KB |
Correct solution. |
26 |
Correct |
5 ms |
2808 KB |
Correct solution. |
27 |
Correct |
5 ms |
2808 KB |
Correct solution. |
28 |
Correct |
5 ms |
2808 KB |
Correct solution. |
29 |
Correct |
27 ms |
4704 KB |
Correct solution. |
30 |
Correct |
32 ms |
5240 KB |
Correct solution. |
31 |
Correct |
30 ms |
4984 KB |
Correct solution. |
32 |
Correct |
32 ms |
4984 KB |
Correct solution. |
33 |
Correct |
30 ms |
4984 KB |
Correct solution. |
34 |
Correct |
6 ms |
3064 KB |
Correct solution. |
35 |
Correct |
29 ms |
5240 KB |
Correct solution. |
36 |
Correct |
69 ms |
8832 KB |
Correct solution. |
37 |
Correct |
80 ms |
9996 KB |
Correct solution. |
38 |
Correct |
94 ms |
11392 KB |
Correct solution. |
39 |
Correct |
98 ms |
9332 KB |
Correct solution. |
40 |
Correct |
88 ms |
9300 KB |
Correct solution. |
41 |
Correct |
99 ms |
11720 KB |
Correct solution. |
42 |
Correct |
75 ms |
10744 KB |
Correct solution. |