#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fr first
#define sc second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pw(x) (1ll << x)
#define sz(x) (int)((x).size())
#define pb push_back
#define endl '\n'
#define mp make_pair
#define vec vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef unsigned long long ull;
typedef unsigned int uint;
template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
template <typename T>
using oset = tree<T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
inline void solve () {
const int N = 50005;
int n, k; cin >> n >> k;
vector <vector <int>> g (n);
vector <bitset <N>> bt (n);
for (int i = 0; i < n; ++i) {
int k; cin >> k;
while (k--) {
int x; cin >> x;
g[i].pb(x); bt[i][x] = 1;
}
}
int ans = 0;
for (int i = 0; i < n; ++i) {
for (int msk = 0; msk < pw(sz(g[i])); ++msk) {
bitset <N> need; need[i] = 1;
for (int j = 0; j < sz(g[i]); ++j) if (msk >> j & 1) need[g[i][j]] = 1;
bool ok = 1;
for (int j = 0; j < sz(g[i]); ++j) {
if (!(msk >> j & 1)) continue;
need[g[i][j]] = 0;
ok &= (need == (bt[g[i][j]] & need));
need[g[i][j]] = 1;
}
if (ok) umax(ans, __builtin_popcount(msk) + 1);
}
}
cout << ans << endl;
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int t = 1; // cin >> t;
while (t--) solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
169 ms |
31188 KB |
Output is correct |
4 |
Correct |
95 ms |
31188 KB |
Output is correct |
5 |
Correct |
100 ms |
31228 KB |
Output is correct |
6 |
Correct |
128 ms |
31188 KB |
Output is correct |
7 |
Correct |
128 ms |
31188 KB |
Output is correct |
8 |
Correct |
13 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
284 KB |
Output is correct |
10 |
Correct |
14 ms |
31060 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
169 ms |
31188 KB |
Output is correct |
4 |
Correct |
95 ms |
31188 KB |
Output is correct |
5 |
Correct |
100 ms |
31228 KB |
Output is correct |
6 |
Correct |
128 ms |
31188 KB |
Output is correct |
7 |
Correct |
128 ms |
31188 KB |
Output is correct |
8 |
Correct |
13 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
284 KB |
Output is correct |
10 |
Correct |
14 ms |
31060 KB |
Output is correct |
11 |
Correct |
96 ms |
31300 KB |
Output is correct |
12 |
Correct |
99 ms |
31208 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
110 ms |
31244 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
133 ms |
31236 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
132 ms |
31256 KB |
Output is correct |
19 |
Correct |
13 ms |
31060 KB |
Output is correct |
20 |
Correct |
23 ms |
31164 KB |
Output is correct |
21 |
Correct |
23 ms |
31232 KB |
Output is correct |
22 |
Correct |
13 ms |
31060 KB |
Output is correct |
23 |
Correct |
154 ms |
31184 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
111 ms |
31188 KB |
Output is correct |
26 |
Correct |
99 ms |
31204 KB |
Output is correct |
27 |
Correct |
41 ms |
31188 KB |
Output is correct |
28 |
Correct |
91 ms |
31216 KB |
Output is correct |
29 |
Correct |
38 ms |
31188 KB |
Output is correct |
30 |
Correct |
49 ms |
31188 KB |
Output is correct |
31 |
Correct |
110 ms |
31184 KB |
Output is correct |
32 |
Correct |
52 ms |
31244 KB |
Output is correct |
33 |
Correct |
82 ms |
31188 KB |
Output is correct |
34 |
Correct |
80 ms |
31188 KB |
Output is correct |
35 |
Correct |
41 ms |
15768 KB |
Output is correct |
36 |
Correct |
43 ms |
15700 KB |
Output is correct |
37 |
Correct |
42 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3060 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
13 ms |
31056 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
2 ms |
332 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
3 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Execution timed out |
3086 ms |
314060 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
169 ms |
31188 KB |
Output is correct |
4 |
Correct |
95 ms |
31188 KB |
Output is correct |
5 |
Correct |
100 ms |
31228 KB |
Output is correct |
6 |
Correct |
128 ms |
31188 KB |
Output is correct |
7 |
Correct |
128 ms |
31188 KB |
Output is correct |
8 |
Correct |
13 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
284 KB |
Output is correct |
10 |
Correct |
14 ms |
31060 KB |
Output is correct |
11 |
Correct |
96 ms |
31300 KB |
Output is correct |
12 |
Correct |
99 ms |
31208 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
110 ms |
31244 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
133 ms |
31236 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
132 ms |
31256 KB |
Output is correct |
19 |
Correct |
13 ms |
31060 KB |
Output is correct |
20 |
Correct |
23 ms |
31164 KB |
Output is correct |
21 |
Correct |
23 ms |
31232 KB |
Output is correct |
22 |
Correct |
13 ms |
31060 KB |
Output is correct |
23 |
Correct |
154 ms |
31184 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
111 ms |
31188 KB |
Output is correct |
26 |
Correct |
99 ms |
31204 KB |
Output is correct |
27 |
Correct |
41 ms |
31188 KB |
Output is correct |
28 |
Correct |
91 ms |
31216 KB |
Output is correct |
29 |
Correct |
38 ms |
31188 KB |
Output is correct |
30 |
Correct |
49 ms |
31188 KB |
Output is correct |
31 |
Correct |
110 ms |
31184 KB |
Output is correct |
32 |
Correct |
52 ms |
31244 KB |
Output is correct |
33 |
Correct |
82 ms |
31188 KB |
Output is correct |
34 |
Correct |
80 ms |
31188 KB |
Output is correct |
35 |
Correct |
41 ms |
15768 KB |
Output is correct |
36 |
Correct |
43 ms |
15700 KB |
Output is correct |
37 |
Correct |
42 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3060 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
169 ms |
31188 KB |
Output is correct |
4 |
Correct |
95 ms |
31188 KB |
Output is correct |
5 |
Correct |
100 ms |
31228 KB |
Output is correct |
6 |
Correct |
128 ms |
31188 KB |
Output is correct |
7 |
Correct |
128 ms |
31188 KB |
Output is correct |
8 |
Correct |
13 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
284 KB |
Output is correct |
10 |
Correct |
14 ms |
31060 KB |
Output is correct |
11 |
Correct |
96 ms |
31300 KB |
Output is correct |
12 |
Correct |
99 ms |
31208 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
110 ms |
31244 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
133 ms |
31236 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
132 ms |
31256 KB |
Output is correct |
19 |
Correct |
13 ms |
31060 KB |
Output is correct |
20 |
Correct |
23 ms |
31164 KB |
Output is correct |
21 |
Correct |
23 ms |
31232 KB |
Output is correct |
22 |
Correct |
13 ms |
31060 KB |
Output is correct |
23 |
Correct |
154 ms |
31184 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
111 ms |
31188 KB |
Output is correct |
26 |
Correct |
99 ms |
31204 KB |
Output is correct |
27 |
Correct |
41 ms |
31188 KB |
Output is correct |
28 |
Correct |
91 ms |
31216 KB |
Output is correct |
29 |
Correct |
38 ms |
31188 KB |
Output is correct |
30 |
Correct |
49 ms |
31188 KB |
Output is correct |
31 |
Correct |
110 ms |
31184 KB |
Output is correct |
32 |
Correct |
52 ms |
31244 KB |
Output is correct |
33 |
Correct |
82 ms |
31188 KB |
Output is correct |
34 |
Correct |
80 ms |
31188 KB |
Output is correct |
35 |
Correct |
41 ms |
15768 KB |
Output is correct |
36 |
Correct |
43 ms |
15700 KB |
Output is correct |
37 |
Correct |
42 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3060 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |