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Submission #310652

# Submission time Handle Problem Language Result Execution time Memory
310652 2020-10-07T14:37:00 Z MrDomino Political Development (BOI17_politicaldevelopment) C++14
77 / 100
 3000 ms 10744 KB 
#include <bits/stdc++.h>

using namespace std;

const int N=50000+7;
int n;
int k;
int sol;
vector<int> g[N];
set<pair<int,int>> s;

void del(int x)
{
        for (auto &i : g[x])
        {
                vector<int> gnew_i;
                for (auto &y : g[i])
                {
                        if (y!=x)
                                gnew_i.push_back(y);
                }
                s.erase({(int) g[i].size(),i});
                s.insert({(int) g[i].size()-1,i});
                g[i]=gnew_i;
        }
        g[x].clear();
}

bool on[N];
int sum[N];
int cur;

void bkt(int node)
{
        cur++;
        for (auto &it : g[node])
                sum[it]++;
        on[node]=1;
        if (cur>sol)
                sol=cur;
        int possible=0;
        for (auto &x : g[node])
        {
                if (on[x]==0&&sum[x]==cur)
                {
                        possible++;
                }
        }
        if (cur+possible<=sol)
        {
                on[node]=0;
                cur--;
                for (auto &it : g[node])
                        sum[it]--;
                return;
        }
        for (auto &x : g[node])
        {
                if (on[x]==0&&sum[x]==cur)
                {
                        bkt(x);
                }
        }
        on[node]=0;
        cur--;
        for (auto &it : g[node])
                sum[it]--;
}

int main()
{
        ios::sync_with_stdio(0);
        cin.tie(0);

        cin>>n>>k;
        for (int i=0;i<n;i++)
        {
                int l;
                cin>>l;
                for (int j=1;j<=l;j++)
                {
                        int x;
                        cin>>x;
                        g[i].push_back(x);
                }
                sort(g[i].begin(),g[i].end());
                s.insert({(int)g[i].size(),i});
        }
        while (!s.empty())
        {
                auto it=*s.begin();
                s.erase(it);
                int node=it.second;
                bkt(node);
                del(node);
        }
        cout<<sol<<"\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1536 KB Output is correct
2 Correct 1 ms 1536 KB Output is correct
3 Correct 7 ms 1920 KB Output is correct
4 Correct 57 ms 2168 KB Output is correct
5 Correct 57 ms 2048 KB Output is correct
6 Correct 9 ms 2048 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 3 ms 1792 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 3 ms 1792 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1536 KB Output is correct
2 Correct 1 ms 1536 KB Output is correct
3 Correct 7 ms 1920 KB Output is correct
4 Correct 57 ms 2168 KB Output is correct
5 Correct 57 ms 2048 KB Output is correct
6 Correct 9 ms 2048 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 3 ms 1792 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 3 ms 1792 KB Output is correct
11 Correct 58 ms 2072 KB Output is correct
12 Correct 56 ms 2048 KB Output is correct
13 Correct 1 ms 1536 KB Output is correct
14 Correct 59 ms 2100 KB Output is correct
15 Correct 2 ms 1536 KB Output is correct
16 Correct 9 ms 2048 KB Output is correct
17 Correct 1 ms 1536 KB Output is correct
18 Correct 9 ms 2048 KB Output is correct
19 Correct 3 ms 1792 KB Output is correct
20 Correct 4 ms 1920 KB Output is correct
21 Correct 5 ms 1920 KB Output is correct
22 Correct 3 ms 1792 KB Output is correct
23 Correct 8 ms 2048 KB Output is correct
24 Correct 3 ms 1792 KB Output is correct
25 Correct 8 ms 2176 KB Output is correct
26 Correct 8 ms 2048 KB Output is correct
27 Correct 6 ms 2048 KB Output is correct
28 Correct 8 ms 2048 KB Output is correct
29 Correct 7 ms 2048 KB Output is correct
30 Correct 27 ms 2168 KB Output is correct
31 Correct 8 ms 2048 KB Output is correct
32 Correct 26 ms 2048 KB Output is correct
33 Correct 9 ms 2048 KB Output is correct
34 Correct 8 ms 2048 KB Output is correct
35 Correct 5 ms 1792 KB Output is correct
36 Correct 5 ms 1792 KB Output is correct
37 Correct 5 ms 1792 KB Output is correct
38 Correct 5 ms 1664 KB Output is correct
39 Correct 4 ms 1664 KB Output is correct
40 Correct 12 ms 2048 KB Output is correct
41 Correct 4 ms 1664 KB Output is correct
42 Correct 12 ms 2048 KB Output is correct
43 Correct 12 ms 2048 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1792 KB Output is correct
2 Correct 1 ms 1536 KB Output is correct
3 Correct 2 ms 1536 KB Output is correct
4 Correct 1 ms 1536 KB Output is correct
5 Correct 1 ms 1536 KB Output is correct
6 Correct 2 ms 1536 KB Output is correct
7 Correct 1 ms 1536 KB Output is correct
8 Correct 2 ms 1536 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 2 ms 1536 KB Output is correct
11 Correct 387 ms 10616 KB Output is correct
12 Correct 1 ms 1536 KB Output is correct
13 Correct 385 ms 10616 KB Output is correct
14 Correct 2 ms 1536 KB Output is correct
15 Correct 399 ms 10744 KB Output is correct
16 Correct 391 ms 10616 KB Output is correct
17 Correct 422 ms 10616 KB Output is correct
18 Correct 398 ms 10616 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1536 KB Output is correct
2 Correct 1 ms 1536 KB Output is correct
3 Correct 7 ms 1920 KB Output is correct
4 Correct 57 ms 2168 KB Output is correct
5 Correct 57 ms 2048 KB Output is correct
6 Correct 9 ms 2048 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 3 ms 1792 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 3 ms 1792 KB Output is correct
11 Correct 58 ms 2072 KB Output is correct
12 Correct 56 ms 2048 KB Output is correct
13 Correct 1 ms 1536 KB Output is correct
14 Correct 59 ms 2100 KB Output is correct
15 Correct 2 ms 1536 KB Output is correct
16 Correct 9 ms 2048 KB Output is correct
17 Correct 1 ms 1536 KB Output is correct
18 Correct 9 ms 2048 KB Output is correct
19 Correct 3 ms 1792 KB Output is correct
20 Correct 4 ms 1920 KB Output is correct
21 Correct 5 ms 1920 KB Output is correct
22 Correct 3 ms 1792 KB Output is correct
23 Correct 8 ms 2048 KB Output is correct
24 Correct 3 ms 1792 KB Output is correct
25 Correct 8 ms 2176 KB Output is correct
26 Correct 8 ms 2048 KB Output is correct
27 Correct 6 ms 2048 KB Output is correct
28 Correct 8 ms 2048 KB Output is correct
29 Correct 7 ms 2048 KB Output is correct
30 Correct 27 ms 2168 KB Output is correct
31 Correct 8 ms 2048 KB Output is correct
32 Correct 26 ms 2048 KB Output is correct
33 Correct 9 ms 2048 KB Output is correct
34 Correct 8 ms 2048 KB Output is correct
35 Correct 5 ms 1792 KB Output is correct
36 Correct 5 ms 1792 KB Output is correct
37 Correct 5 ms 1792 KB Output is correct
38 Correct 5 ms 1664 KB Output is correct
39 Correct 4 ms 1664 KB Output is correct
40 Correct 12 ms 2048 KB Output is correct
41 Correct 4 ms 1664 KB Output is correct
42 Correct 12 ms 2048 KB Output is correct
43 Correct 12 ms 2048 KB Output is correct
44 Correct 17 ms 2176 KB Output is correct
45 Correct 2 ms 1536 KB Output is correct
46 Correct 12 ms 2048 KB Output is correct
47 Correct 24 ms 2304 KB Output is correct
48 Correct 12 ms 2048 KB Output is correct
49 Correct 25 ms 2304 KB Output is correct
50 Correct 24 ms 2304 KB Output is correct
51 Correct 51 ms 2688 KB Output is correct
52 Correct 58 ms 2120 KB Output is correct
53 Correct 1339 ms 3064 KB Output is correct
54 Correct 67 ms 2816 KB Output is correct
55 Correct 9 ms 2048 KB Output is correct
56 Correct 57 ms 2168 KB Output is correct
57 Correct 3 ms 1792 KB Output is correct
58 Correct 1333 ms 3064 KB Output is correct
59 Correct 9 ms 2048 KB Output is correct
60 Correct 11 ms 2048 KB Output is correct
61 Correct 9 ms 2048 KB Output is correct
62 Correct 9 ms 2048 KB Output is correct
63 Correct 16 ms 2176 KB Output is correct
64 Correct 15 ms 2176 KB Output is correct
65 Correct 10 ms 2048 KB Output is correct
66 Correct 9 ms 2092 KB Output is correct
67 Correct 28 ms 2304 KB Output is correct
68 Correct 14 ms 2176 KB Output is correct
69 Correct 10 ms 2048 KB Output is correct
70 Correct 20 ms 2176 KB Output is correct
71 Correct 28 ms 2304 KB Output is correct
72 Correct 26 ms 2304 KB Output is correct
73 Correct 6 ms 2048 KB Output is correct
74 Correct 20 ms 2176 KB Output is correct
75 Correct 26 ms 2304 KB Output is correct
76 Correct 47 ms 2176 KB Output is correct
77 Correct 33 ms 2432 KB Output is correct
78 Correct 6 ms 2048 KB Output is correct
79 Correct 16 ms 2048 KB Output is correct
80 Correct 42 ms 2176 KB Output is correct
81 Correct 34 ms 2432 KB Output is correct
82 Correct 4 ms 1664 KB Output is correct
83 Correct 16 ms 2048 KB Output is correct
84 Correct 25 ms 2432 KB Output is correct
85 Correct 4 ms 1664 KB Output is correct
86 Correct 24 ms 2432 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1536 KB Output is correct
2 Correct 1 ms 1536 KB Output is correct
3 Correct 7 ms 1920 KB Output is correct
4 Correct 57 ms 2168 KB Output is correct
5 Correct 57 ms 2048 KB Output is correct
6 Correct 9 ms 2048 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 3 ms 1792 KB Output is correct
9 Correct 1 ms 1536 KB Output is correct
10 Correct 3 ms 1792 KB Output is correct
11 Correct 58 ms 2072 KB Output is correct
12 Correct 56 ms 2048 KB Output is correct
13 Correct 1 ms 1536 KB Output is correct
14 Correct 59 ms 2100 KB Output is correct
15 Correct 2 ms 1536 KB Output is correct
16 Correct 9 ms 2048 KB Output is correct
17 Correct 1 ms 1536 KB Output is correct
18 Correct 9 ms 2048 KB Output is correct
19 Correct 3 ms 1792 KB Output is correct
20 Correct 4 ms 1920 KB Output is correct
21 Correct 5 ms 1920 KB Output is correct
22 Correct 3 ms 1792 KB Output is correct
23 Correct 8 ms 2048 KB Output is correct
24 Correct 3 ms 1792 KB Output is correct
25 Correct 8 ms 2176 KB Output is correct
26 Correct 8 ms 2048 KB Output is correct
27 Correct 6 ms 2048 KB Output is correct
28 Correct 8 ms 2048 KB Output is correct
29 Correct 7 ms 2048 KB Output is correct
30 Correct 27 ms 2168 KB Output is correct
31 Correct 8 ms 2048 KB Output is correct
32 Correct 26 ms 2048 KB Output is correct
33 Correct 9 ms 2048 KB Output is correct
34 Correct 8 ms 2048 KB Output is correct
35 Correct 5 ms 1792 KB Output is correct
36 Correct 5 ms 1792 KB Output is correct
37 Correct 5 ms 1792 KB Output is correct
38 Correct 5 ms 1664 KB Output is correct
39 Correct 4 ms 1664 KB Output is correct
40 Correct 12 ms 2048 KB Output is correct
41 Correct 4 ms 1664 KB Output is correct
42 Correct 12 ms 2048 KB Output is correct
43 Correct 12 ms 2048 KB Output is correct
44 Correct 1 ms 1536 KB Output is correct
45 Correct 242 ms 8320 KB Output is correct
46 Correct 1629 ms 7132 KB Output is correct
47 Correct 248 ms 8328 KB Output is correct
48 Correct 239 ms 8312 KB Output is correct
49 Execution timed out 3042 ms 7216 KB Time limit exceeded
50 Halted 0 ms 0 KB -