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Submission #311100

# Submission time Handle Problem Language Result Execution time Memory
311100 2020-10-09T09:09:42 Z Vladth11 Political Development (BOI17_politicaldevelopment) C++14
16 / 100
 3000 ms 9252 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debug_with_space(x) cerr << #x << " " << x << " "

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <ll, pii> muchie;

const ll NMAX = 100005;
const ll INF = (1LL << 60);
const ll MOD = 1000000007;
const ll BLOCK = 101;

vector <int> v[NMAX];
unordered_set <int> st;

int main() {
    // ifstream cin("catsfood.in");
    // ofstream cout("catsfood.out");
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, k, i, d;
    cin >> n >> k;
    for(i = 1; i <= n; i++) {
        int d;
        cin >> d;
        v[i].push_back(i);
        while(d--) {
            int x;
            cin >> x;
            v[i].push_back(x + 1);
        }
        sort(v[i].begin(), v[i].end());
    }
    int maxim = 0;
    for(i = 1; i <= n; i++) {
        int nrbits = v[i].size();
       // debug(i);
      	if(nrbits > 10)
          continue;
        for(int mask = 1; mask < (1 << nrbits); mask++) {
            st.clear();
            int cnt = 0;
            for(int j = nrbits - 1; j >= 0; j--) {
                if(mask & (1 << j)) {
                    for(auto x : v[v[i][j]]) {
                        if(st.find(x) != st.end())
                            cnt++;
                    }
                    st.insert(v[i][j]);
                }
            }
            int bb = __builtin_popcount(mask);
         //   debug_with_space(mask);
           // debug(cnt);
            if(cnt == bb * (bb - 1) / 2)
                maxim = max(maxim, bb);
        }
    }
    cout << maxim;
    return 0;
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:24:18: warning: unused variable 'd' [-Wunused-variable]
   24 |     int n, k, i, d;
      |                  ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 33 ms 2816 KB Output is correct
4 Correct 353 ms 2816 KB Output is correct
5 Correct 351 ms 2944 KB Output is correct
6 Correct 12 ms 2944 KB Output is correct
7 Correct 12 ms 2944 KB Output is correct
8 Correct 3 ms 2816 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 3 ms 2816 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 33 ms 2816 KB Output is correct
4 Correct 353 ms 2816 KB Output is correct
5 Correct 351 ms 2944 KB Output is correct
6 Correct 12 ms 2944 KB Output is correct
7 Correct 12 ms 2944 KB Output is correct
8 Correct 3 ms 2816 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 3 ms 2816 KB Output is correct
11 Correct 351 ms 3064 KB Output is correct
12 Correct 351 ms 3064 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 355 ms 3064 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 11 ms 2944 KB Output is correct
17 Correct 3 ms 2688 KB Output is correct
18 Correct 12 ms 2944 KB Output is correct
19 Correct 3 ms 2816 KB Output is correct
20 Correct 5 ms 2816 KB Output is correct
21 Correct 5 ms 2816 KB Output is correct
22 Correct 3 ms 2816 KB Output is correct
23 Correct 31 ms 2944 KB Output is correct
24 Correct 3 ms 2816 KB Output is correct
25 Correct 33 ms 3064 KB Output is correct
26 Correct 26 ms 2944 KB Output is correct
27 Correct 10 ms 2944 KB Output is correct
28 Correct 25 ms 2944 KB Output is correct
29 Correct 10 ms 2944 KB Output is correct
30 Correct 258 ms 3064 KB Output is correct
31 Correct 25 ms 2944 KB Output is correct
32 Correct 273 ms 2980 KB Output is correct
33 Correct 24 ms 2944 KB Output is correct
34 Correct 23 ms 3072 KB Output is correct
35 Correct 13 ms 2816 KB Output is correct
36 Correct 14 ms 2816 KB Output is correct
37 Correct 13 ms 2816 KB Output is correct
38 Correct 7 ms 2816 KB Output is correct
39 Correct 7 ms 2944 KB Output is correct
40 Correct 191 ms 2944 KB Output is correct
41 Correct 7 ms 2816 KB Output is correct
42 Correct 185 ms 2944 KB Output is correct
43 Correct 184 ms 2944 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2816 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 3 ms 2720 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 3 ms 2688 KB Output is correct
11 Execution timed out 3081 ms 9252 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 33 ms 2816 KB Output is correct
4 Correct 353 ms 2816 KB Output is correct
5 Correct 351 ms 2944 KB Output is correct
6 Correct 12 ms 2944 KB Output is correct
7 Correct 12 ms 2944 KB Output is correct
8 Correct 3 ms 2816 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 3 ms 2816 KB Output is correct
11 Correct 351 ms 3064 KB Output is correct
12 Correct 351 ms 3064 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 355 ms 3064 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 11 ms 2944 KB Output is correct
17 Correct 3 ms 2688 KB Output is correct
18 Correct 12 ms 2944 KB Output is correct
19 Correct 3 ms 2816 KB Output is correct
20 Correct 5 ms 2816 KB Output is correct
21 Correct 5 ms 2816 KB Output is correct
22 Correct 3 ms 2816 KB Output is correct
23 Correct 31 ms 2944 KB Output is correct
24 Correct 3 ms 2816 KB Output is correct
25 Correct 33 ms 3064 KB Output is correct
26 Correct 26 ms 2944 KB Output is correct
27 Correct 10 ms 2944 KB Output is correct
28 Correct 25 ms 2944 KB Output is correct
29 Correct 10 ms 2944 KB Output is correct
30 Correct 258 ms 3064 KB Output is correct
31 Correct 25 ms 2944 KB Output is correct
32 Correct 273 ms 2980 KB Output is correct
33 Correct 24 ms 2944 KB Output is correct
34 Correct 23 ms 3072 KB Output is correct
35 Correct 13 ms 2816 KB Output is correct
36 Correct 14 ms 2816 KB Output is correct
37 Correct 13 ms 2816 KB Output is correct
38 Correct 7 ms 2816 KB Output is correct
39 Correct 7 ms 2944 KB Output is correct
40 Correct 191 ms 2944 KB Output is correct
41 Correct 7 ms 2816 KB Output is correct
42 Correct 185 ms 2944 KB Output is correct
43 Correct 184 ms 2944 KB Output is correct
44 Correct 1621 ms 3320 KB Output is correct
45 Correct 2 ms 2688 KB Output is correct
46 Incorrect 199 ms 2944 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 33 ms 2816 KB Output is correct
4 Correct 353 ms 2816 KB Output is correct
5 Correct 351 ms 2944 KB Output is correct
6 Correct 12 ms 2944 KB Output is correct
7 Correct 12 ms 2944 KB Output is correct
8 Correct 3 ms 2816 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 3 ms 2816 KB Output is correct
11 Correct 351 ms 3064 KB Output is correct
12 Correct 351 ms 3064 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 355 ms 3064 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 11 ms 2944 KB Output is correct
17 Correct 3 ms 2688 KB Output is correct
18 Correct 12 ms 2944 KB Output is correct
19 Correct 3 ms 2816 KB Output is correct
20 Correct 5 ms 2816 KB Output is correct
21 Correct 5 ms 2816 KB Output is correct
22 Correct 3 ms 2816 KB Output is correct
23 Correct 31 ms 2944 KB Output is correct
24 Correct 3 ms 2816 KB Output is correct
25 Correct 33 ms 3064 KB Output is correct
26 Correct 26 ms 2944 KB Output is correct
27 Correct 10 ms 2944 KB Output is correct
28 Correct 25 ms 2944 KB Output is correct
29 Correct 10 ms 2944 KB Output is correct
30 Correct 258 ms 3064 KB Output is correct
31 Correct 25 ms 2944 KB Output is correct
32 Correct 273 ms 2980 KB Output is correct
33 Correct 24 ms 2944 KB Output is correct
34 Correct 23 ms 3072 KB Output is correct
35 Correct 13 ms 2816 KB Output is correct
36 Correct 14 ms 2816 KB Output is correct
37 Correct 13 ms 2816 KB Output is correct
38 Correct 7 ms 2816 KB Output is correct
39 Correct 7 ms 2944 KB Output is correct
40 Correct 191 ms 2944 KB Output is correct
41 Correct 7 ms 2816 KB Output is correct
42 Correct 185 ms 2944 KB Output is correct
43 Correct 184 ms 2944 KB Output is correct
44 Correct 3 ms 2688 KB Output is correct
45 Execution timed out 3083 ms 7032 KB Time limit exceeded
46 Halted 0 ms 0 KB -