#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) {
if (__builtin_popcount(msk) + 1 <= ans) continue;
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 |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
151 ms |
31248 KB |
Output is correct |
4 |
Correct |
89 ms |
31228 KB |
Output is correct |
5 |
Correct |
90 ms |
31188 KB |
Output is correct |
6 |
Correct |
99 ms |
31296 KB |
Output is correct |
7 |
Correct |
103 ms |
31288 KB |
Output is correct |
8 |
Correct |
14 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
17 ms |
31064 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
151 ms |
31248 KB |
Output is correct |
4 |
Correct |
89 ms |
31228 KB |
Output is correct |
5 |
Correct |
90 ms |
31188 KB |
Output is correct |
6 |
Correct |
99 ms |
31296 KB |
Output is correct |
7 |
Correct |
103 ms |
31288 KB |
Output is correct |
8 |
Correct |
14 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
17 ms |
31064 KB |
Output is correct |
11 |
Correct |
92 ms |
31276 KB |
Output is correct |
12 |
Correct |
84 ms |
31308 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
85 ms |
31316 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
103 ms |
31256 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
98 ms |
31188 KB |
Output is correct |
19 |
Correct |
14 ms |
30976 KB |
Output is correct |
20 |
Correct |
15 ms |
31244 KB |
Output is correct |
21 |
Correct |
15 ms |
31240 KB |
Output is correct |
22 |
Correct |
14 ms |
31060 KB |
Output is correct |
23 |
Correct |
71 ms |
31180 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
68 ms |
31248 KB |
Output is correct |
26 |
Correct |
65 ms |
31188 KB |
Output is correct |
27 |
Correct |
25 ms |
31156 KB |
Output is correct |
28 |
Correct |
71 ms |
31260 KB |
Output is correct |
29 |
Correct |
31 ms |
31188 KB |
Output is correct |
30 |
Correct |
38 ms |
31372 KB |
Output is correct |
31 |
Correct |
64 ms |
31236 KB |
Output is correct |
32 |
Correct |
35 ms |
31208 KB |
Output is correct |
33 |
Correct |
56 ms |
31284 KB |
Output is correct |
34 |
Correct |
56 ms |
31188 KB |
Output is correct |
35 |
Correct |
29 ms |
15700 KB |
Output is correct |
36 |
Correct |
30 ms |
15716 KB |
Output is correct |
37 |
Correct |
28 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3072 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
14 ms |
31060 KB |
Output is correct |
2 |
Correct |
1 ms |
328 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Execution timed out |
3057 ms |
311576 KB |
Time limit exceeded |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
151 ms |
31248 KB |
Output is correct |
4 |
Correct |
89 ms |
31228 KB |
Output is correct |
5 |
Correct |
90 ms |
31188 KB |
Output is correct |
6 |
Correct |
99 ms |
31296 KB |
Output is correct |
7 |
Correct |
103 ms |
31288 KB |
Output is correct |
8 |
Correct |
14 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
17 ms |
31064 KB |
Output is correct |
11 |
Correct |
92 ms |
31276 KB |
Output is correct |
12 |
Correct |
84 ms |
31308 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
85 ms |
31316 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
103 ms |
31256 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
98 ms |
31188 KB |
Output is correct |
19 |
Correct |
14 ms |
30976 KB |
Output is correct |
20 |
Correct |
15 ms |
31244 KB |
Output is correct |
21 |
Correct |
15 ms |
31240 KB |
Output is correct |
22 |
Correct |
14 ms |
31060 KB |
Output is correct |
23 |
Correct |
71 ms |
31180 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
68 ms |
31248 KB |
Output is correct |
26 |
Correct |
65 ms |
31188 KB |
Output is correct |
27 |
Correct |
25 ms |
31156 KB |
Output is correct |
28 |
Correct |
71 ms |
31260 KB |
Output is correct |
29 |
Correct |
31 ms |
31188 KB |
Output is correct |
30 |
Correct |
38 ms |
31372 KB |
Output is correct |
31 |
Correct |
64 ms |
31236 KB |
Output is correct |
32 |
Correct |
35 ms |
31208 KB |
Output is correct |
33 |
Correct |
56 ms |
31284 KB |
Output is correct |
34 |
Correct |
56 ms |
31188 KB |
Output is correct |
35 |
Correct |
29 ms |
15700 KB |
Output is correct |
36 |
Correct |
30 ms |
15716 KB |
Output is correct |
37 |
Correct |
28 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3072 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
151 ms |
31248 KB |
Output is correct |
4 |
Correct |
89 ms |
31228 KB |
Output is correct |
5 |
Correct |
90 ms |
31188 KB |
Output is correct |
6 |
Correct |
99 ms |
31296 KB |
Output is correct |
7 |
Correct |
103 ms |
31288 KB |
Output is correct |
8 |
Correct |
14 ms |
31060 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
17 ms |
31064 KB |
Output is correct |
11 |
Correct |
92 ms |
31276 KB |
Output is correct |
12 |
Correct |
84 ms |
31308 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
85 ms |
31316 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
103 ms |
31256 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
98 ms |
31188 KB |
Output is correct |
19 |
Correct |
14 ms |
30976 KB |
Output is correct |
20 |
Correct |
15 ms |
31244 KB |
Output is correct |
21 |
Correct |
15 ms |
31240 KB |
Output is correct |
22 |
Correct |
14 ms |
31060 KB |
Output is correct |
23 |
Correct |
71 ms |
31180 KB |
Output is correct |
24 |
Correct |
13 ms |
31060 KB |
Output is correct |
25 |
Correct |
68 ms |
31248 KB |
Output is correct |
26 |
Correct |
65 ms |
31188 KB |
Output is correct |
27 |
Correct |
25 ms |
31156 KB |
Output is correct |
28 |
Correct |
71 ms |
31260 KB |
Output is correct |
29 |
Correct |
31 ms |
31188 KB |
Output is correct |
30 |
Correct |
38 ms |
31372 KB |
Output is correct |
31 |
Correct |
64 ms |
31236 KB |
Output is correct |
32 |
Correct |
35 ms |
31208 KB |
Output is correct |
33 |
Correct |
56 ms |
31284 KB |
Output is correct |
34 |
Correct |
56 ms |
31188 KB |
Output is correct |
35 |
Correct |
29 ms |
15700 KB |
Output is correct |
36 |
Correct |
30 ms |
15716 KB |
Output is correct |
37 |
Correct |
28 ms |
15700 KB |
Output is correct |
38 |
Execution timed out |
3072 ms |
8020 KB |
Time limit exceeded |
39 |
Halted |
0 ms |
0 KB |
- |