oj.uz

답안 #924426

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
924426 2024-02-09T03:38:42 Z Muhammad_Aneeq Political Development (BOI17_politicaldevelopment) C++17
4 / 100
 3000 ms 24432 KB 
/*
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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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

# 결과 실행 시간 메모리 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 -