#include <bits/stdc++.h>
using namespace std;
const int N = 50*1000+5;
set<int> g[N];
int dp[(1<<11)];
int main(){
ios_base::sync_with_stdio(false);
int n,k;
cin>>n>>k;
int x;
for(int i = 0;i<n;i++){
int q;
cin>>q;
while(q--){
int x;
cin>>x;
g[i].insert(x);
}
}
int anss = 1;
while(1){
int id = -1;
int sz = 0;
for(int i = 0;i<n;i++){
sz = max(sz,(int)g[i].size());
if(g[i].size()<k && g[i].size()){
id = i;
break;
}
}
if(id == -1) break;
/*if(sz == 1){
anss = max(anss,sz+1);
break;
}*/
if(sz == 0) break;
vector<int> v;
set<int>::iterator it;
int ans = 1;
for(it = g[id].begin();it!=g[id].end();it++){
int to = *it;
v.push_back(to);
dp[(1<<(v.size()-1))] = 1;
anss = max(anss,2);
}
for(int i = 1;i<(1<<v.size());i++){
if(!dp[i]) continue;
for(int j = 0;j<v.size();j++){
if((i>>j)&1) continue;
bool f = true;
for(int ii = 0;ii<v.size();ii++){
if((i>>ii)&1){
if(g[v[ii]].find(v[j])==g[v[ii]].end()){
f = false;
break;
}
}
}
if(f){
dp[i|(1<<j)] = max(dp[i|(1<<j)],dp[i]+1);
ans = max(ans,dp[i]+1);
}
}
}
anss = max(ans+1,anss);
// cout<<ans<<endl;
for(int i = 0;i<v.size();i++){
g[v[i]].erase(g[v[i]].find(id));
g[id].erase(g[id].find(v[i]));
}
//if(ans == 1) break;
}
cout<<anss<<endl;
return 0;
}
Compilation message
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:28:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(g[i].size()<k && g[i].size()){
~~~~~~~~~~~^~
politicaldevelopment.cpp:50:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j = 0;j<v.size();j++){
~^~~~~~~~~
politicaldevelopment.cpp:53:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int ii = 0;ii<v.size();ii++){
~~^~~~~~~~~
politicaldevelopment.cpp:69:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0;i<v.size();i++){
~^~~~~~~~~
politicaldevelopment.cpp:11:9: warning: unused variable 'x' [-Wunused-variable]
int x;
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
2680 KB |
Output is correct |
2 |
Correct |
5 ms |
2680 KB |
Output is correct |
3 |
Correct |
50 ms |
3192 KB |
Output is correct |
4 |
Correct |
24 ms |
3192 KB |
Output is correct |
5 |
Correct |
21 ms |
3192 KB |
Output is correct |
6 |
Correct |
22 ms |
3192 KB |
Output is correct |
7 |
Correct |
24 ms |
3192 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
2680 KB |
Output is correct |
2 |
Correct |
5 ms |
2680 KB |
Output is correct |
3 |
Correct |
50 ms |
3192 KB |
Output is correct |
4 |
Correct |
24 ms |
3192 KB |
Output is correct |
5 |
Correct |
21 ms |
3192 KB |
Output is correct |
6 |
Correct |
22 ms |
3192 KB |
Output is correct |
7 |
Correct |
24 ms |
3192 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
11 |
Correct |
22 ms |
3192 KB |
Output is correct |
12 |
Correct |
23 ms |
3192 KB |
Output is correct |
13 |
Correct |
4 ms |
2672 KB |
Output is correct |
14 |
Correct |
22 ms |
3192 KB |
Output is correct |
15 |
Correct |
4 ms |
2680 KB |
Output is correct |
16 |
Correct |
22 ms |
3192 KB |
Output is correct |
17 |
Correct |
4 ms |
2680 KB |
Output is correct |
18 |
Correct |
22 ms |
3192 KB |
Output is correct |
19 |
Correct |
4 ms |
2680 KB |
Output is correct |
20 |
Correct |
10 ms |
2936 KB |
Output is correct |
21 |
Correct |
10 ms |
2936 KB |
Output is correct |
22 |
Correct |
4 ms |
2680 KB |
Output is correct |
23 |
Correct |
27 ms |
3320 KB |
Output is correct |
24 |
Correct |
4 ms |
2680 KB |
Output is correct |
25 |
Correct |
27 ms |
3320 KB |
Output is correct |
26 |
Correct |
22 ms |
3192 KB |
Output is correct |
27 |
Correct |
13 ms |
3196 KB |
Output is correct |
28 |
Correct |
23 ms |
3196 KB |
Output is correct |
29 |
Correct |
15 ms |
3192 KB |
Output is correct |
30 |
Correct |
27 ms |
3320 KB |
Output is correct |
31 |
Correct |
28 ms |
3324 KB |
Output is correct |
32 |
Correct |
26 ms |
3320 KB |
Output is correct |
33 |
Correct |
26 ms |
3320 KB |
Output is correct |
34 |
Correct |
25 ms |
3320 KB |
Output is correct |
35 |
Correct |
10 ms |
3064 KB |
Output is correct |
36 |
Correct |
10 ms |
3064 KB |
Output is correct |
37 |
Correct |
10 ms |
2940 KB |
Output is correct |
38 |
Correct |
7 ms |
2936 KB |
Output is correct |
39 |
Correct |
6 ms |
2940 KB |
Output is correct |
40 |
Correct |
61 ms |
3576 KB |
Output is correct |
41 |
Correct |
6 ms |
2936 KB |
Output is correct |
42 |
Correct |
61 ms |
3704 KB |
Output is correct |
43 |
Correct |
61 ms |
3576 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
2680 KB |
Output is correct |
2 |
Correct |
4 ms |
2680 KB |
Output is correct |
3 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
2680 KB |
Output is correct |
2 |
Correct |
5 ms |
2680 KB |
Output is correct |
3 |
Correct |
50 ms |
3192 KB |
Output is correct |
4 |
Correct |
24 ms |
3192 KB |
Output is correct |
5 |
Correct |
21 ms |
3192 KB |
Output is correct |
6 |
Correct |
22 ms |
3192 KB |
Output is correct |
7 |
Correct |
24 ms |
3192 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
11 |
Correct |
22 ms |
3192 KB |
Output is correct |
12 |
Correct |
23 ms |
3192 KB |
Output is correct |
13 |
Correct |
4 ms |
2672 KB |
Output is correct |
14 |
Correct |
22 ms |
3192 KB |
Output is correct |
15 |
Correct |
4 ms |
2680 KB |
Output is correct |
16 |
Correct |
22 ms |
3192 KB |
Output is correct |
17 |
Correct |
4 ms |
2680 KB |
Output is correct |
18 |
Correct |
22 ms |
3192 KB |
Output is correct |
19 |
Correct |
4 ms |
2680 KB |
Output is correct |
20 |
Correct |
10 ms |
2936 KB |
Output is correct |
21 |
Correct |
10 ms |
2936 KB |
Output is correct |
22 |
Correct |
4 ms |
2680 KB |
Output is correct |
23 |
Correct |
27 ms |
3320 KB |
Output is correct |
24 |
Correct |
4 ms |
2680 KB |
Output is correct |
25 |
Correct |
27 ms |
3320 KB |
Output is correct |
26 |
Correct |
22 ms |
3192 KB |
Output is correct |
27 |
Correct |
13 ms |
3196 KB |
Output is correct |
28 |
Correct |
23 ms |
3196 KB |
Output is correct |
29 |
Correct |
15 ms |
3192 KB |
Output is correct |
30 |
Correct |
27 ms |
3320 KB |
Output is correct |
31 |
Correct |
28 ms |
3324 KB |
Output is correct |
32 |
Correct |
26 ms |
3320 KB |
Output is correct |
33 |
Correct |
26 ms |
3320 KB |
Output is correct |
34 |
Correct |
25 ms |
3320 KB |
Output is correct |
35 |
Correct |
10 ms |
3064 KB |
Output is correct |
36 |
Correct |
10 ms |
3064 KB |
Output is correct |
37 |
Correct |
10 ms |
2940 KB |
Output is correct |
38 |
Correct |
7 ms |
2936 KB |
Output is correct |
39 |
Correct |
6 ms |
2940 KB |
Output is correct |
40 |
Correct |
61 ms |
3576 KB |
Output is correct |
41 |
Correct |
6 ms |
2936 KB |
Output is correct |
42 |
Correct |
61 ms |
3704 KB |
Output is correct |
43 |
Correct |
61 ms |
3576 KB |
Output is correct |
44 |
Correct |
141 ms |
4616 KB |
Output is correct |
45 |
Correct |
4 ms |
2680 KB |
Output is correct |
46 |
Correct |
41 ms |
3704 KB |
Output is correct |
47 |
Incorrect |
66 ms |
4600 KB |
Output isn't correct |
48 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
2680 KB |
Output is correct |
2 |
Correct |
5 ms |
2680 KB |
Output is correct |
3 |
Correct |
50 ms |
3192 KB |
Output is correct |
4 |
Correct |
24 ms |
3192 KB |
Output is correct |
5 |
Correct |
21 ms |
3192 KB |
Output is correct |
6 |
Correct |
22 ms |
3192 KB |
Output is correct |
7 |
Correct |
24 ms |
3192 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2680 KB |
Output is correct |
11 |
Correct |
22 ms |
3192 KB |
Output is correct |
12 |
Correct |
23 ms |
3192 KB |
Output is correct |
13 |
Correct |
4 ms |
2672 KB |
Output is correct |
14 |
Correct |
22 ms |
3192 KB |
Output is correct |
15 |
Correct |
4 ms |
2680 KB |
Output is correct |
16 |
Correct |
22 ms |
3192 KB |
Output is correct |
17 |
Correct |
4 ms |
2680 KB |
Output is correct |
18 |
Correct |
22 ms |
3192 KB |
Output is correct |
19 |
Correct |
4 ms |
2680 KB |
Output is correct |
20 |
Correct |
10 ms |
2936 KB |
Output is correct |
21 |
Correct |
10 ms |
2936 KB |
Output is correct |
22 |
Correct |
4 ms |
2680 KB |
Output is correct |
23 |
Correct |
27 ms |
3320 KB |
Output is correct |
24 |
Correct |
4 ms |
2680 KB |
Output is correct |
25 |
Correct |
27 ms |
3320 KB |
Output is correct |
26 |
Correct |
22 ms |
3192 KB |
Output is correct |
27 |
Correct |
13 ms |
3196 KB |
Output is correct |
28 |
Correct |
23 ms |
3196 KB |
Output is correct |
29 |
Correct |
15 ms |
3192 KB |
Output is correct |
30 |
Correct |
27 ms |
3320 KB |
Output is correct |
31 |
Correct |
28 ms |
3324 KB |
Output is correct |
32 |
Correct |
26 ms |
3320 KB |
Output is correct |
33 |
Correct |
26 ms |
3320 KB |
Output is correct |
34 |
Correct |
25 ms |
3320 KB |
Output is correct |
35 |
Correct |
10 ms |
3064 KB |
Output is correct |
36 |
Correct |
10 ms |
3064 KB |
Output is correct |
37 |
Correct |
10 ms |
2940 KB |
Output is correct |
38 |
Correct |
7 ms |
2936 KB |
Output is correct |
39 |
Correct |
6 ms |
2940 KB |
Output is correct |
40 |
Correct |
61 ms |
3576 KB |
Output is correct |
41 |
Correct |
6 ms |
2936 KB |
Output is correct |
42 |
Correct |
61 ms |
3704 KB |
Output is correct |
43 |
Correct |
61 ms |
3576 KB |
Output is correct |
44 |
Correct |
4 ms |
2680 KB |
Output is correct |
45 |
Execution timed out |
3032 ms |
16760 KB |
Time limit exceeded |
46 |
Halted |
0 ms |
0 KB |
- |