oj.uz

Submission #311253

# Submission time Handle Problem Language Result Execution time Memory
311253 2020-10-09T19:23:11 Z Vladth11 Political Development (BOI17_politicaldevelopment) C++14
16 / 100
 3000 ms 31708 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;

set <int> v[NMAX],st;
int maxim = 0;
int deg[NMAX];
set <pii> pq;
void afiseaza(int x){
    for(auto i : v[x])
        debug_with_space(i);
    cerr << "\n";
}

void clique(int i) {
    int nrbits = v[i].size();
    // debug(i);

    for(int mask = 1; mask < (1 << nrbits); mask++) {
        int cnt = 0;
        int j = 0,cc = 0;
        st.clear();
        for(auto y : v[i]){
            if(mask & (1 << j))
                st.insert(y);
            j++;
        }
        j = 0;
        for(auto y : v[i]) {
            if(mask & (1 << j)) {
              //  debug(y);
                for(auto x : v[y]) {
                   // debug(x);
                    if(st.find(x) != st.end())
                        cnt++;
                }
            }
            j++;
        }
        int bb = __builtin_popcount(mask);
         //  debug_with_space(mask);
         //debug(cnt);
        if(cnt == bb * bb)
            maxim = max(maxim, bb);
    }
    //debug(maxim);
    for(auto x : v[i]){
        //if(pq.size())
        if(x == i)
            continue;
        pq.erase({v[x].size(),x});
        v[x].erase(i);
        pq.insert({v[x].size(),x});
    }
    //debug(maxim);
}

struct cmp{
    bool operator()(int x, int y){
        return v[x].size() < v[y].size();
    }
};
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].insert(i);
        while(d--) {
            int x;
            cin >> x;
            v[i].insert(x + 1);
            v[x + 1].insert(i);
        }
    }

    for(i = 1; i <= n; i++) {
        pq.insert({v[i].size(),i});
    }
    while(!pq.empty()){
        int top = (*pq.begin()).second;
        pq.erase(pq.begin());
        clique(top);
    }
    cout << maxim;
    return 0;
}

Compilation message

politicaldevelopment.cpp: In function 'void clique(int)':
politicaldevelopment.cpp:31:19: warning: unused variable 'cc' [-Wunused-variable]
   31 |         int j = 0,cc = 0;
      |                   ^~
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:79:18: warning: unused variable 'd' [-Wunused-variable]
   79 |     int n, k, i, d;
      |                  ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 12 ms 5888 KB Output is correct
4 Correct 408 ms 6136 KB Output is correct
5 Correct 399 ms 6136 KB Output is correct
6 Correct 18 ms 6016 KB Output is correct
7 Correct 18 ms 6016 KB Output is correct
8 Correct 6 ms 5540 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 6 ms 5632 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 12 ms 5888 KB Output is correct
4 Correct 408 ms 6136 KB Output is correct
5 Correct 399 ms 6136 KB Output is correct
6 Correct 18 ms 6016 KB Output is correct
7 Correct 18 ms 6016 KB Output is correct
8 Correct 6 ms 5540 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 6 ms 5632 KB Output is correct
11 Correct 423 ms 6016 KB Output is correct
12 Correct 415 ms 6016 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 371 ms 6100 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 17 ms 6144 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 17 ms 6104 KB Output is correct
19 Correct 6 ms 5632 KB Output is correct
20 Correct 8 ms 5760 KB Output is correct
21 Correct 8 ms 5760 KB Output is correct
22 Correct 6 ms 5632 KB Output is correct
23 Correct 15 ms 6144 KB Output is correct
24 Correct 6 ms 5632 KB Output is correct
25 Correct 15 ms 6144 KB Output is correct
26 Correct 14 ms 6144 KB Output is correct
27 Correct 12 ms 6016 KB Output is correct
28 Correct 14 ms 6144 KB Output is correct
29 Correct 11 ms 6016 KB Output is correct
30 Correct 110 ms 6144 KB Output is correct
31 Correct 15 ms 6144 KB Output is correct
32 Correct 118 ms 6256 KB Output is correct
33 Correct 15 ms 6144 KB Output is correct
34 Correct 16 ms 6144 KB Output is correct
35 Correct 9 ms 5632 KB Output is correct
36 Correct 9 ms 5632 KB Output is correct
37 Correct 9 ms 5632 KB Output is correct
38 Correct 10 ms 5376 KB Output is correct
39 Correct 10 ms 5376 KB Output is correct
40 Correct 26 ms 6528 KB Output is correct
41 Correct 10 ms 5376 KB Output is correct
42 Correct 25 ms 6528 KB Output is correct
43 Correct 25 ms 6528 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5632 KB Output is correct
2 Correct 4 ms 5120 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 5 ms 5120 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 4992 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Execution timed out 3078 ms 31708 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 12 ms 5888 KB Output is correct
4 Correct 408 ms 6136 KB Output is correct
5 Correct 399 ms 6136 KB Output is correct
6 Correct 18 ms 6016 KB Output is correct
7 Correct 18 ms 6016 KB Output is correct
8 Correct 6 ms 5540 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 6 ms 5632 KB Output is correct
11 Correct 423 ms 6016 KB Output is correct
12 Correct 415 ms 6016 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 371 ms 6100 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 17 ms 6144 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 17 ms 6104 KB Output is correct
19 Correct 6 ms 5632 KB Output is correct
20 Correct 8 ms 5760 KB Output is correct
21 Correct 8 ms 5760 KB Output is correct
22 Correct 6 ms 5632 KB Output is correct
23 Correct 15 ms 6144 KB Output is correct
24 Correct 6 ms 5632 KB Output is correct
25 Correct 15 ms 6144 KB Output is correct
26 Correct 14 ms 6144 KB Output is correct
27 Correct 12 ms 6016 KB Output is correct
28 Correct 14 ms 6144 KB Output is correct
29 Correct 11 ms 6016 KB Output is correct
30 Correct 110 ms 6144 KB Output is correct
31 Correct 15 ms 6144 KB Output is correct
32 Correct 118 ms 6256 KB Output is correct
33 Correct 15 ms 6144 KB Output is correct
34 Correct 16 ms 6144 KB Output is correct
35 Correct 9 ms 5632 KB Output is correct
36 Correct 9 ms 5632 KB Output is correct
37 Correct 9 ms 5632 KB Output is correct
38 Correct 10 ms 5376 KB Output is correct
39 Correct 10 ms 5376 KB Output is correct
40 Correct 26 ms 6528 KB Output is correct
41 Correct 10 ms 5376 KB Output is correct
42 Correct 25 ms 6528 KB Output is correct
43 Correct 25 ms 6528 KB Output is correct
44 Correct 504 ms 7512 KB Output is correct
45 Correct 4 ms 4992 KB Output is correct
46 Correct 28 ms 6528 KB Output is correct
47 Correct 142 ms 7800 KB Output is correct
48 Correct 28 ms 6656 KB Output is correct
49 Correct 146 ms 7680 KB Output is correct
50 Correct 159 ms 7672 KB Output is correct
51 Execution timed out 3080 ms 9720 KB Time limit exceeded
52 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 3 ms 4992 KB Output is correct
3 Correct 12 ms 5888 KB Output is correct
4 Correct 408 ms 6136 KB Output is correct
5 Correct 399 ms 6136 KB Output is correct
6 Correct 18 ms 6016 KB Output is correct
7 Correct 18 ms 6016 KB Output is correct
8 Correct 6 ms 5540 KB Output is correct
9 Correct 3 ms 4992 KB Output is correct
10 Correct 6 ms 5632 KB Output is correct
11 Correct 423 ms 6016 KB Output is correct
12 Correct 415 ms 6016 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 371 ms 6100 KB Output is correct
15 Correct 3 ms 4992 KB Output is correct
16 Correct 17 ms 6144 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 17 ms 6104 KB Output is correct
19 Correct 6 ms 5632 KB Output is correct
20 Correct 8 ms 5760 KB Output is correct
21 Correct 8 ms 5760 KB Output is correct
22 Correct 6 ms 5632 KB Output is correct
23 Correct 15 ms 6144 KB Output is correct
24 Correct 6 ms 5632 KB Output is correct
25 Correct 15 ms 6144 KB Output is correct
26 Correct 14 ms 6144 KB Output is correct
27 Correct 12 ms 6016 KB Output is correct
28 Correct 14 ms 6144 KB Output is correct
29 Correct 11 ms 6016 KB Output is correct
30 Correct 110 ms 6144 KB Output is correct
31 Correct 15 ms 6144 KB Output is correct
32 Correct 118 ms 6256 KB Output is correct
33 Correct 15 ms 6144 KB Output is correct
34 Correct 16 ms 6144 KB Output is correct
35 Correct 9 ms 5632 KB Output is correct
36 Correct 9 ms 5632 KB Output is correct
37 Correct 9 ms 5632 KB Output is correct
38 Correct 10 ms 5376 KB Output is correct
39 Correct 10 ms 5376 KB Output is correct
40 Correct 26 ms 6528 KB Output is correct
41 Correct 10 ms 5376 KB Output is correct
42 Correct 25 ms 6528 KB Output is correct
43 Correct 25 ms 6528 KB Output is correct
44 Correct 4 ms 4992 KB Output is correct
45 Correct 784 ms 24768 KB Output is correct
46 Execution timed out 3070 ms 18424 KB Time limit exceeded
47 Halted 0 ms 0 KB -