Submission #924426

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
924426	2024-02-09T03:38:42 Z	Muhammad_Aneeq	Political Development (BOI17_politicaldevelopment)	C++17	4 / 100	3000 ms	24432 KB

politicaldevelopment

/*
بسم الله الرحمن الرحيم
Author:
                          (:Muhammad Aneeq:)
*/

#include <iostream>
#include <vector>
#include <set>
using namespace std;
int const N=6e4+10;
set<int>nei[N]={};
int res[N]={};
int ans=0;
bool valid(vector<int>f)
{
    for (auto i:f)
        res[i]=0;
    for (auto i:f)
    {
        for (auto j:nei[i])
            res[j]++;
    }
    bool w=0;
    for (auto i:f)
    {
        if (res[i]!=f.size()-1)
        {
            w=1;
            break;
        }
    }
    return (!w);
}
void check(int n)
{
    set<int>f=nei[n];
    for (int i=0;i<=(1<<f.size());i++)
    {
        vector<int>z;
        auto e=begin(f);
        for (int j=0;j<f.size();j++)
        {
            if ((1<<j)&i)
                z.push_back(*e);
            e++;
        }
        z.push_back(n);
        if (valid(z))
        {
            ans=max(ans,int(z.size()));
        }
    }
}
inline void solve()
{
    int n,k;
    cin>>n>>k;
    for (int i=0;i<n;i++)
    {
        int d;
        cin>>d;
        while (d--)
        {
            int x;
            cin>>x;
            if (i!=x)
                nei[i].insert(x);
        }
    }
    for (int i=1;i<=n;i++)
        check(i);
    cout<<min(ans,k)<<endl;
}
int main()
{
    ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
        solve();
}

Compilation message

politicaldevelopment.cpp: In function 'bool valid(std::vector<int>)':
politicaldevelopment.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         if (res[i]!=f.size()-1)
      |             ~~~~~~^~~~~~~~~~~~
politicaldevelopment.cpp: In function 'void check(int)':
politicaldevelopment.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         for (int j=0;j<f.size();j++)
      |                      ~^~~~~~~~~

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3164 KB	Output is correct
2	Correct	1 ms	3164 KB	Output is correct
3	Correct	18 ms	3824 KB	Output is correct
4	Correct	186 ms	3920 KB	Output is correct
5	Correct	190 ms	3820 KB	Output is correct
6	Correct	19 ms	3672 KB	Output is correct
7	Correct	18 ms	3676 KB	Output is correct
8	Correct	2 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct

Subtask #2
0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3164 KB	Output is correct
2	Correct	1 ms	3164 KB	Output is correct
3	Correct	18 ms	3824 KB	Output is correct
4	Correct	186 ms	3920 KB	Output is correct
5	Correct	190 ms	3820 KB	Output is correct
6	Correct	19 ms	3672 KB	Output is correct
7	Correct	18 ms	3676 KB	Output is correct
8	Correct	2 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	213 ms	4052 KB	Output is correct
12	Correct	221 ms	4064 KB	Output is correct
13	Correct	1 ms	3160 KB	Output is correct
14	Correct	186 ms	4056 KB	Output is correct
15	Correct	1 ms	3164 KB	Output is correct
16	Correct	20 ms	3828 KB	Output is correct
17	Correct	1 ms	3160 KB	Output is correct
18	Correct	18 ms	3676 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	3 ms	3416 KB	Output is correct
21	Correct	3 ms	3420 KB	Output is correct
22	Correct	2 ms	3164 KB	Output is correct
23	Correct	12 ms	3932 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	13 ms	3932 KB	Output is correct
26	Correct	10 ms	3676 KB	Output is correct
27	Correct	5 ms	3676 KB	Output is correct
28	Correct	10 ms	3676 KB	Output is correct
29	Correct	5 ms	3676 KB	Output is correct
30	Correct	97 ms	4048 KB	Output is correct
31	Correct	10 ms	3932 KB	Output is correct
32	Correct	93 ms	4044 KB	Output is correct
33	Correct	9 ms	3932 KB	Output is correct
34	Correct	11 ms	3980 KB	Output is correct
35	Correct	5 ms	3420 KB	Output is correct
36	Correct	5 ms	3420 KB	Output is correct
37	Correct	5 ms	3420 KB	Output is correct
38	Execution timed out	3084 ms	3420 KB	Time limit exceeded
39	Halted	0 ms	0 KB	-

Subtask #3
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	3416 KB	Output is correct
2	Correct	1 ms	3164 KB	Output is correct
3	Correct	1 ms	3340 KB	Output is correct
4	Correct	1 ms	3164 KB	Output is correct
5	Correct	1 ms	3164 KB	Output is correct
6	Correct	1 ms	3164 KB	Output is correct
7	Correct	1 ms	3160 KB	Output is correct
8	Correct	1 ms	3160 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	1 ms	3164 KB	Output is correct
11	Execution timed out	3051 ms	24432 KB	Time limit exceeded
12	Halted	0 ms	0 KB	-

Subtask #4
0 / 38.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3164 KB	Output is correct
2	Correct	1 ms	3164 KB	Output is correct
3	Correct	18 ms	3824 KB	Output is correct
4	Correct	186 ms	3920 KB	Output is correct
5	Correct	190 ms	3820 KB	Output is correct
6	Correct	19 ms	3672 KB	Output is correct
7	Correct	18 ms	3676 KB	Output is correct
8	Correct	2 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	213 ms	4052 KB	Output is correct
12	Correct	221 ms	4064 KB	Output is correct
13	Correct	1 ms	3160 KB	Output is correct
14	Correct	186 ms	4056 KB	Output is correct
15	Correct	1 ms	3164 KB	Output is correct
16	Correct	20 ms	3828 KB	Output is correct
17	Correct	1 ms	3160 KB	Output is correct
18	Correct	18 ms	3676 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	3 ms	3416 KB	Output is correct
21	Correct	3 ms	3420 KB	Output is correct
22	Correct	2 ms	3164 KB	Output is correct
23	Correct	12 ms	3932 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	13 ms	3932 KB	Output is correct
26	Correct	10 ms	3676 KB	Output is correct
27	Correct	5 ms	3676 KB	Output is correct
28	Correct	10 ms	3676 KB	Output is correct
29	Correct	5 ms	3676 KB	Output is correct
30	Correct	97 ms	4048 KB	Output is correct
31	Correct	10 ms	3932 KB	Output is correct
32	Correct	93 ms	4044 KB	Output is correct
33	Correct	9 ms	3932 KB	Output is correct
34	Correct	11 ms	3980 KB	Output is correct
35	Correct	5 ms	3420 KB	Output is correct
36	Correct	5 ms	3420 KB	Output is correct
37	Correct	5 ms	3420 KB	Output is correct
38	Execution timed out	3084 ms	3420 KB	Time limit exceeded
39	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	3164 KB	Output is correct
2	Correct	1 ms	3164 KB	Output is correct
3	Correct	18 ms	3824 KB	Output is correct
4	Correct	186 ms	3920 KB	Output is correct
5	Correct	190 ms	3820 KB	Output is correct
6	Correct	19 ms	3672 KB	Output is correct
7	Correct	18 ms	3676 KB	Output is correct
8	Correct	2 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	2 ms	3164 KB	Output is correct
11	Correct	213 ms	4052 KB	Output is correct
12	Correct	221 ms	4064 KB	Output is correct
13	Correct	1 ms	3160 KB	Output is correct
14	Correct	186 ms	4056 KB	Output is correct
15	Correct	1 ms	3164 KB	Output is correct
16	Correct	20 ms	3828 KB	Output is correct
17	Correct	1 ms	3160 KB	Output is correct
18	Correct	18 ms	3676 KB	Output is correct
19	Correct	2 ms	3164 KB	Output is correct
20	Correct	3 ms	3416 KB	Output is correct
21	Correct	3 ms	3420 KB	Output is correct
22	Correct	2 ms	3164 KB	Output is correct
23	Correct	12 ms	3932 KB	Output is correct
24	Correct	2 ms	3164 KB	Output is correct
25	Correct	13 ms	3932 KB	Output is correct
26	Correct	10 ms	3676 KB	Output is correct
27	Correct	5 ms	3676 KB	Output is correct
28	Correct	10 ms	3676 KB	Output is correct
29	Correct	5 ms	3676 KB	Output is correct
30	Correct	97 ms	4048 KB	Output is correct
31	Correct	10 ms	3932 KB	Output is correct
32	Correct	93 ms	4044 KB	Output is correct
33	Correct	9 ms	3932 KB	Output is correct
34	Correct	11 ms	3980 KB	Output is correct
35	Correct	5 ms	3420 KB	Output is correct
36	Correct	5 ms	3420 KB	Output is correct
37	Correct	5 ms	3420 KB	Output is correct
38	Execution timed out	3084 ms	3420 KB	Time limit exceeded
39	Halted	0 ms	0 KB	-

Submission #924426

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 0 / 12.0

Subtask #3 0 / 23.0

Subtask #4 0 / 38.0

Subtask #5 0 / 23.0

Subtask #1
4.0 / 4.0

Subtask #2
0 / 12.0

Subtask #3
0 / 23.0

Subtask #4
0 / 38.0

Subtask #5
0 / 23.0