#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
cerr<<vars<<" = ";
string delim="";
(...,(cerr<<delim<<values,delim=", "));
cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif
#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int mxN=5e4+5; //make sure this is right
const int mod=1e9+7;
int n,k,deg[mxN],seen[mxN];
set<int> graph[mxN];
int main(){
cin.sync_with_stdio(0);
cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
#endif
cin>>n>>k;
priority_queue<pii,vector<pii>,greater<pii>> q;
for(int i=0;i<n;i++){
cin>>deg[i];
for(int j=0;j<deg[i];j++){
int x; cin>>x;
graph[i].insert(x);
}
q.push({deg[i],i});
}
int ans=1;
while(sz(q)){
pii cur=q.top(); q.pop();
if(cur.first!=deg[cur.second])
continue;
int at=cur.second;
seen[at]=1;
vector<int> nd={at};
for(int i:graph[at]){
if(!seen[i]){
deg[i]--;
q.push({deg[i],i});
nd.pb(i);
}
}
int adj[15][15]{};
for(int i=0;i<sz(nd);i++){
adj[i][i]=1;
for(int j=0;j<sz(nd);j++){
if(graph[nd[i]].count(nd[j]))
adj[i][j]=1;
}
}
for(int mask=0;mask<(1<<sz(nd));mask++){
int yes=1;
for(int i=0;i<sz(nd);i++){
if(!(mask&(1<<i)))
continue;
for(int j=0;j<sz(nd);j++){
if(!(mask&(1<<j)))
continue;
yes&=adj[i][j];
yes&=adj[j][i];
}
}
if(yes)
maxa(ans,__builtin_popcount(mask));
}
}
cout<<ans<<"\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
6 ms |
3148 KB |
Output is correct |
4 |
Correct |
7 ms |
3224 KB |
Output is correct |
5 |
Correct |
8 ms |
3148 KB |
Output is correct |
6 |
Correct |
9 ms |
3148 KB |
Output is correct |
7 |
Correct |
6 ms |
3140 KB |
Output is correct |
8 |
Correct |
3 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2752 KB |
Output is correct |
10 |
Correct |
3 ms |
2764 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
6 ms |
3148 KB |
Output is correct |
4 |
Correct |
7 ms |
3224 KB |
Output is correct |
5 |
Correct |
8 ms |
3148 KB |
Output is correct |
6 |
Correct |
9 ms |
3148 KB |
Output is correct |
7 |
Correct |
6 ms |
3140 KB |
Output is correct |
8 |
Correct |
3 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2752 KB |
Output is correct |
10 |
Correct |
3 ms |
2764 KB |
Output is correct |
11 |
Correct |
6 ms |
3148 KB |
Output is correct |
12 |
Correct |
8 ms |
3148 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
6 ms |
3148 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
7 ms |
3148 KB |
Output is correct |
17 |
Correct |
2 ms |
2636 KB |
Output is correct |
18 |
Correct |
7 ms |
3128 KB |
Output is correct |
19 |
Correct |
3 ms |
2764 KB |
Output is correct |
20 |
Correct |
4 ms |
2892 KB |
Output is correct |
21 |
Correct |
4 ms |
2892 KB |
Output is correct |
22 |
Correct |
3 ms |
2764 KB |
Output is correct |
23 |
Correct |
8 ms |
3344 KB |
Output is correct |
24 |
Correct |
3 ms |
2764 KB |
Output is correct |
25 |
Correct |
8 ms |
3276 KB |
Output is correct |
26 |
Correct |
8 ms |
3276 KB |
Output is correct |
27 |
Correct |
6 ms |
3228 KB |
Output is correct |
28 |
Correct |
7 ms |
3276 KB |
Output is correct |
29 |
Correct |
6 ms |
3148 KB |
Output is correct |
30 |
Correct |
8 ms |
3284 KB |
Output is correct |
31 |
Correct |
8 ms |
3276 KB |
Output is correct |
32 |
Correct |
8 ms |
3276 KB |
Output is correct |
33 |
Correct |
8 ms |
3276 KB |
Output is correct |
34 |
Correct |
8 ms |
3292 KB |
Output is correct |
35 |
Correct |
5 ms |
3036 KB |
Output is correct |
36 |
Correct |
5 ms |
3020 KB |
Output is correct |
37 |
Correct |
5 ms |
3020 KB |
Output is correct |
38 |
Correct |
4 ms |
2892 KB |
Output is correct |
39 |
Correct |
4 ms |
2892 KB |
Output is correct |
40 |
Correct |
11 ms |
3724 KB |
Output is correct |
41 |
Correct |
4 ms |
2892 KB |
Output is correct |
42 |
Correct |
11 ms |
3788 KB |
Output is correct |
43 |
Correct |
11 ms |
3736 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
2764 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2636 KB |
Output is correct |
5 |
Correct |
2 ms |
2636 KB |
Output is correct |
6 |
Correct |
2 ms |
2636 KB |
Output is correct |
7 |
Correct |
2 ms |
2636 KB |
Output is correct |
8 |
Correct |
2 ms |
2636 KB |
Output is correct |
9 |
Correct |
2 ms |
2636 KB |
Output is correct |
10 |
Correct |
2 ms |
2636 KB |
Output is correct |
11 |
Correct |
589 ms |
26236 KB |
Output is correct |
12 |
Correct |
2 ms |
2636 KB |
Output is correct |
13 |
Correct |
591 ms |
26140 KB |
Output is correct |
14 |
Correct |
2 ms |
2636 KB |
Output is correct |
15 |
Correct |
600 ms |
26224 KB |
Output is correct |
16 |
Correct |
595 ms |
26248 KB |
Output is correct |
17 |
Correct |
607 ms |
26324 KB |
Output is correct |
18 |
Correct |
608 ms |
26224 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
6 ms |
3148 KB |
Output is correct |
4 |
Correct |
7 ms |
3224 KB |
Output is correct |
5 |
Correct |
8 ms |
3148 KB |
Output is correct |
6 |
Correct |
9 ms |
3148 KB |
Output is correct |
7 |
Correct |
6 ms |
3140 KB |
Output is correct |
8 |
Correct |
3 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2752 KB |
Output is correct |
10 |
Correct |
3 ms |
2764 KB |
Output is correct |
11 |
Correct |
6 ms |
3148 KB |
Output is correct |
12 |
Correct |
8 ms |
3148 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
6 ms |
3148 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
7 ms |
3148 KB |
Output is correct |
17 |
Correct |
2 ms |
2636 KB |
Output is correct |
18 |
Correct |
7 ms |
3128 KB |
Output is correct |
19 |
Correct |
3 ms |
2764 KB |
Output is correct |
20 |
Correct |
4 ms |
2892 KB |
Output is correct |
21 |
Correct |
4 ms |
2892 KB |
Output is correct |
22 |
Correct |
3 ms |
2764 KB |
Output is correct |
23 |
Correct |
8 ms |
3344 KB |
Output is correct |
24 |
Correct |
3 ms |
2764 KB |
Output is correct |
25 |
Correct |
8 ms |
3276 KB |
Output is correct |
26 |
Correct |
8 ms |
3276 KB |
Output is correct |
27 |
Correct |
6 ms |
3228 KB |
Output is correct |
28 |
Correct |
7 ms |
3276 KB |
Output is correct |
29 |
Correct |
6 ms |
3148 KB |
Output is correct |
30 |
Correct |
8 ms |
3284 KB |
Output is correct |
31 |
Correct |
8 ms |
3276 KB |
Output is correct |
32 |
Correct |
8 ms |
3276 KB |
Output is correct |
33 |
Correct |
8 ms |
3276 KB |
Output is correct |
34 |
Correct |
8 ms |
3292 KB |
Output is correct |
35 |
Correct |
5 ms |
3036 KB |
Output is correct |
36 |
Correct |
5 ms |
3020 KB |
Output is correct |
37 |
Correct |
5 ms |
3020 KB |
Output is correct |
38 |
Correct |
4 ms |
2892 KB |
Output is correct |
39 |
Correct |
4 ms |
2892 KB |
Output is correct |
40 |
Correct |
11 ms |
3724 KB |
Output is correct |
41 |
Correct |
4 ms |
2892 KB |
Output is correct |
42 |
Correct |
11 ms |
3788 KB |
Output is correct |
43 |
Correct |
11 ms |
3736 KB |
Output is correct |
44 |
Correct |
104 ms |
4632 KB |
Output is correct |
45 |
Correct |
2 ms |
2636 KB |
Output is correct |
46 |
Correct |
11 ms |
3788 KB |
Output is correct |
47 |
Correct |
27 ms |
4804 KB |
Output is correct |
48 |
Correct |
11 ms |
3716 KB |
Output is correct |
49 |
Correct |
27 ms |
4812 KB |
Output is correct |
50 |
Correct |
27 ms |
4884 KB |
Output is correct |
51 |
Correct |
451 ms |
7156 KB |
Output is correct |
52 |
Correct |
9 ms |
3148 KB |
Output is correct |
53 |
Correct |
1149 ms |
7452 KB |
Output is correct |
54 |
Correct |
1102 ms |
7584 KB |
Output is correct |
55 |
Correct |
7 ms |
3148 KB |
Output is correct |
56 |
Correct |
6 ms |
3148 KB |
Output is correct |
57 |
Correct |
3 ms |
2764 KB |
Output is correct |
58 |
Correct |
1107 ms |
7552 KB |
Output is correct |
59 |
Correct |
11 ms |
3660 KB |
Output is correct |
60 |
Correct |
7 ms |
3236 KB |
Output is correct |
61 |
Correct |
10 ms |
3660 KB |
Output is correct |
62 |
Correct |
11 ms |
3660 KB |
Output is correct |
63 |
Correct |
105 ms |
4620 KB |
Output is correct |
64 |
Correct |
51 ms |
4384 KB |
Output is correct |
65 |
Correct |
10 ms |
3660 KB |
Output is correct |
66 |
Correct |
11 ms |
3696 KB |
Output is correct |
67 |
Correct |
88 ms |
5288 KB |
Output is correct |
68 |
Correct |
50 ms |
4368 KB |
Output is correct |
69 |
Correct |
10 ms |
3660 KB |
Output is correct |
70 |
Correct |
24 ms |
4556 KB |
Output is correct |
71 |
Correct |
72 ms |
5256 KB |
Output is correct |
72 |
Correct |
53 ms |
5180 KB |
Output is correct |
73 |
Correct |
6 ms |
3148 KB |
Output is correct |
74 |
Correct |
25 ms |
4556 KB |
Output is correct |
75 |
Correct |
55 ms |
5208 KB |
Output is correct |
76 |
Correct |
16 ms |
4044 KB |
Output is correct |
77 |
Correct |
155 ms |
5700 KB |
Output is correct |
78 |
Correct |
6 ms |
3148 KB |
Output is correct |
79 |
Correct |
75 ms |
4164 KB |
Output is correct |
80 |
Correct |
16 ms |
4044 KB |
Output is correct |
81 |
Correct |
153 ms |
5664 KB |
Output is correct |
82 |
Correct |
5 ms |
2892 KB |
Output is correct |
83 |
Correct |
79 ms |
4164 KB |
Output is correct |
84 |
Correct |
56 ms |
5132 KB |
Output is correct |
85 |
Correct |
4 ms |
2892 KB |
Output is correct |
86 |
Correct |
54 ms |
5088 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2636 KB |
Output is correct |
2 |
Correct |
2 ms |
2636 KB |
Output is correct |
3 |
Correct |
6 ms |
3148 KB |
Output is correct |
4 |
Correct |
7 ms |
3224 KB |
Output is correct |
5 |
Correct |
8 ms |
3148 KB |
Output is correct |
6 |
Correct |
9 ms |
3148 KB |
Output is correct |
7 |
Correct |
6 ms |
3140 KB |
Output is correct |
8 |
Correct |
3 ms |
2764 KB |
Output is correct |
9 |
Correct |
2 ms |
2752 KB |
Output is correct |
10 |
Correct |
3 ms |
2764 KB |
Output is correct |
11 |
Correct |
6 ms |
3148 KB |
Output is correct |
12 |
Correct |
8 ms |
3148 KB |
Output is correct |
13 |
Correct |
2 ms |
2636 KB |
Output is correct |
14 |
Correct |
6 ms |
3148 KB |
Output is correct |
15 |
Correct |
2 ms |
2636 KB |
Output is correct |
16 |
Correct |
7 ms |
3148 KB |
Output is correct |
17 |
Correct |
2 ms |
2636 KB |
Output is correct |
18 |
Correct |
7 ms |
3128 KB |
Output is correct |
19 |
Correct |
3 ms |
2764 KB |
Output is correct |
20 |
Correct |
4 ms |
2892 KB |
Output is correct |
21 |
Correct |
4 ms |
2892 KB |
Output is correct |
22 |
Correct |
3 ms |
2764 KB |
Output is correct |
23 |
Correct |
8 ms |
3344 KB |
Output is correct |
24 |
Correct |
3 ms |
2764 KB |
Output is correct |
25 |
Correct |
8 ms |
3276 KB |
Output is correct |
26 |
Correct |
8 ms |
3276 KB |
Output is correct |
27 |
Correct |
6 ms |
3228 KB |
Output is correct |
28 |
Correct |
7 ms |
3276 KB |
Output is correct |
29 |
Correct |
6 ms |
3148 KB |
Output is correct |
30 |
Correct |
8 ms |
3284 KB |
Output is correct |
31 |
Correct |
8 ms |
3276 KB |
Output is correct |
32 |
Correct |
8 ms |
3276 KB |
Output is correct |
33 |
Correct |
8 ms |
3276 KB |
Output is correct |
34 |
Correct |
8 ms |
3292 KB |
Output is correct |
35 |
Correct |
5 ms |
3036 KB |
Output is correct |
36 |
Correct |
5 ms |
3020 KB |
Output is correct |
37 |
Correct |
5 ms |
3020 KB |
Output is correct |
38 |
Correct |
4 ms |
2892 KB |
Output is correct |
39 |
Correct |
4 ms |
2892 KB |
Output is correct |
40 |
Correct |
11 ms |
3724 KB |
Output is correct |
41 |
Correct |
4 ms |
2892 KB |
Output is correct |
42 |
Correct |
11 ms |
3788 KB |
Output is correct |
43 |
Correct |
11 ms |
3736 KB |
Output is correct |
44 |
Correct |
2 ms |
2636 KB |
Output is correct |
45 |
Correct |
189 ms |
19180 KB |
Output is correct |
46 |
Correct |
93 ms |
10632 KB |
Output is correct |
47 |
Correct |
215 ms |
19128 KB |
Output is correct |
48 |
Correct |
190 ms |
19144 KB |
Output is correct |
49 |
Correct |
62 ms |
8124 KB |
Output is correct |
50 |
Correct |
307 ms |
23752 KB |
Output is correct |
51 |
Correct |
206 ms |
20916 KB |
Output is correct |
52 |
Correct |
69 ms |
8776 KB |
Output is correct |
53 |
Correct |
58 ms |
8760 KB |
Output is correct |
54 |
Correct |
19 ms |
3660 KB |
Output is correct |
55 |
Correct |
319 ms |
26120 KB |
Output is correct |
56 |
Correct |
33 ms |
6168 KB |
Output is correct |
57 |
Correct |
62 ms |
8768 KB |
Output is correct |
58 |
Correct |
76 ms |
11380 KB |
Output is correct |
59 |
Correct |
32 ms |
6200 KB |
Output is correct |
60 |
Correct |
36 ms |
6304 KB |
Output is correct |
61 |
Correct |
75 ms |
11368 KB |
Output is correct |
62 |
Correct |
51 ms |
8792 KB |
Output is correct |
63 |
Correct |
119 ms |
13380 KB |
Output is correct |
64 |
Correct |
31 ms |
6084 KB |
Output is correct |
65 |
Correct |
138 ms |
15980 KB |
Output is correct |
66 |
Correct |
49 ms |
8808 KB |
Output is correct |
67 |
Correct |
108 ms |
13440 KB |
Output is correct |
68 |
Correct |
128 ms |
15264 KB |
Output is correct |
69 |
Correct |
140 ms |
15960 KB |
Output is correct |
70 |
Correct |
53 ms |
8724 KB |
Output is correct |
71 |
Correct |
130 ms |
15360 KB |
Output is correct |
72 |
Correct |
122 ms |
12872 KB |
Output is correct |
73 |
Correct |
178 ms |
17640 KB |
Output is correct |
74 |
Correct |
56 ms |
8764 KB |
Output is correct |
75 |
Correct |
61 ms |
8504 KB |
Output is correct |
76 |
Correct |
121 ms |
12928 KB |
Output is correct |
77 |
Correct |
164 ms |
17736 KB |
Output is correct |
78 |
Correct |
73 ms |
10056 KB |
Output is correct |
79 |
Correct |
51 ms |
8504 KB |
Output is correct |
80 |
Correct |
27 ms |
5580 KB |
Output is correct |
81 |
Correct |
74 ms |
10084 KB |
Output is correct |
82 |
Correct |
118 ms |
14636 KB |
Output is correct |
83 |
Correct |
28 ms |
5564 KB |
Output is correct |
84 |
Correct |
112 ms |
14676 KB |
Output is correct |