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Submission #994483

# Submission time Handle Problem Language Result Execution time Memory
994483 2024-06-07T17:25:00 Z amine_aroua Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 2840 ms 310168 KB 
#include <bits/stdc++.h>
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
using namespace std;
#define int long long
#define pb push_back
#define nl '\n'
#define fore(i, y) for(int i = 0; i < y; i++)
#define forr(i, x, y) for(int i = x;i<=y;i++)
#define forn(i, y, x) for(int i = y; i >= x; i--)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 50000;
vector<bitset<N>> adj(N , 0);
int n , k;
bitset<N> cur = 0;
//bool done[N];
int maxClique(int i)
{
    cur = adj[i];
    int last = i;
    int cnt = 0;
    while(true)
    {
        cnt++;
        cur&=adj[last];
        vector<int> candidates;
        for(int j = cur._Find_first() ;  j < N ; j = cur._Find_next(j))
        {
            candidates.pb(j);
        }
        if(candidates.empty())
            break;
        last = candidates[uniform_int_distribution<int>(0 , (int)candidates.size() - 1)(rng)];
    }
    return cnt;
}
signed main() {
//    ios::sync_with_stdio(0);
//    cin.tie(0);
//    cout.tie(0);

    cin>>n>>k;

    fore(i , n)
    {
        int d;
        cin>>d;
        fore(j , d)
        {
            int x;
            cin>>x;
            if(x != i)
                adj[i][x] = 1;
        }
    }
    int best = 0;
    vector<int> p(n);
    fore(i , n)
        p[i] = i;
    fore(i , 10 * n)
    {
        if(i % n == 0)
        {
            shuffle(p.begin() , p.end() , rng);
        }
        best = max(best , maxClique(p[i%n]));
    }
    cout<<best<<nl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 306332 KB Output is correct
2 Correct 91 ms 306452 KB Output is correct
3 Correct 188 ms 306512 KB Output is correct
4 Correct 188 ms 306692 KB Output is correct
5 Correct 190 ms 306512 KB Output is correct
6 Correct 180 ms 306508 KB Output is correct
7 Correct 187 ms 306516 KB Output is correct
8 Correct 132 ms 306512 KB Output is correct
9 Correct 94 ms 306256 KB Output is correct
10 Correct 141 ms 306520 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 306332 KB Output is correct
2 Correct 91 ms 306452 KB Output is correct
3 Correct 188 ms 306512 KB Output is correct
4 Correct 188 ms 306692 KB Output is correct
5 Correct 190 ms 306512 KB Output is correct
6 Correct 180 ms 306508 KB Output is correct
7 Correct 187 ms 306516 KB Output is correct
8 Correct 132 ms 306512 KB Output is correct
9 Correct 94 ms 306256 KB Output is correct
10 Correct 141 ms 306520 KB Output is correct
11 Correct 189 ms 306680 KB Output is correct
12 Correct 180 ms 306512 KB Output is correct
13 Correct 94 ms 306260 KB Output is correct
14 Correct 179 ms 306508 KB Output is correct
15 Correct 94 ms 306256 KB Output is correct
16 Correct 234 ms 306448 KB Output is correct
17 Correct 94 ms 306512 KB Output is correct
18 Correct 182 ms 306768 KB Output is correct
19 Correct 145 ms 306508 KB Output is correct
20 Correct 176 ms 306508 KB Output is correct
21 Correct 185 ms 306324 KB Output is correct
22 Correct 141 ms 306516 KB Output is correct
23 Correct 189 ms 306512 KB Output is correct
24 Correct 131 ms 306472 KB Output is correct
25 Correct 187 ms 306516 KB Output is correct
26 Correct 178 ms 306352 KB Output is correct
27 Correct 190 ms 306584 KB Output is correct
28 Correct 191 ms 306512 KB Output is correct
29 Correct 199 ms 306360 KB Output is correct
30 Correct 183 ms 306540 KB Output is correct
31 Correct 191 ms 306516 KB Output is correct
32 Correct 181 ms 306512 KB Output is correct
33 Correct 191 ms 306512 KB Output is correct
34 Correct 186 ms 306460 KB Output is correct
35 Correct 166 ms 306340 KB Output is correct
36 Correct 134 ms 306516 KB Output is correct
37 Correct 143 ms 306436 KB Output is correct
38 Correct 114 ms 306772 KB Output is correct
39 Correct 110 ms 306592 KB Output is correct
40 Correct 197 ms 306512 KB Output is correct
41 Correct 112 ms 306516 KB Output is correct
42 Correct 191 ms 306512 KB Output is correct
43 Correct 188 ms 306516 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 140 ms 306516 KB Output is correct
2 Correct 92 ms 306424 KB Output is correct
3 Correct 94 ms 306364 KB Output is correct
4 Correct 107 ms 306260 KB Output is correct
5 Correct 91 ms 306512 KB Output is correct
6 Correct 101 ms 306508 KB Output is correct
7 Correct 91 ms 306260 KB Output is correct
8 Correct 96 ms 306256 KB Output is correct
9 Correct 94 ms 306260 KB Output is correct
10 Correct 86 ms 306256 KB Output is correct
11 Correct 1569 ms 309420 KB Output is correct
12 Correct 88 ms 306260 KB Output is correct
13 Correct 1536 ms 308996 KB Output is correct
14 Correct 100 ms 306640 KB Output is correct
15 Correct 1587 ms 309204 KB Output is correct
16 Correct 1599 ms 309000 KB Output is correct
17 Correct 1745 ms 309136 KB Output is correct
18 Correct 1726 ms 309076 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 306332 KB Output is correct
2 Correct 91 ms 306452 KB Output is correct
3 Correct 188 ms 306512 KB Output is correct
4 Correct 188 ms 306692 KB Output is correct
5 Correct 190 ms 306512 KB Output is correct
6 Correct 180 ms 306508 KB Output is correct
7 Correct 187 ms 306516 KB Output is correct
8 Correct 132 ms 306512 KB Output is correct
9 Correct 94 ms 306256 KB Output is correct
10 Correct 141 ms 306520 KB Output is correct
11 Correct 189 ms 306680 KB Output is correct
12 Correct 180 ms 306512 KB Output is correct
13 Correct 94 ms 306260 KB Output is correct
14 Correct 179 ms 306508 KB Output is correct
15 Correct 94 ms 306256 KB Output is correct
16 Correct 234 ms 306448 KB Output is correct
17 Correct 94 ms 306512 KB Output is correct
18 Correct 182 ms 306768 KB Output is correct
19 Correct 145 ms 306508 KB Output is correct
20 Correct 176 ms 306508 KB Output is correct
21 Correct 185 ms 306324 KB Output is correct
22 Correct 141 ms 306516 KB Output is correct
23 Correct 189 ms 306512 KB Output is correct
24 Correct 131 ms 306472 KB Output is correct
25 Correct 187 ms 306516 KB Output is correct
26 Correct 178 ms 306352 KB Output is correct
27 Correct 190 ms 306584 KB Output is correct
28 Correct 191 ms 306512 KB Output is correct
29 Correct 199 ms 306360 KB Output is correct
30 Correct 183 ms 306540 KB Output is correct
31 Correct 191 ms 306516 KB Output is correct
32 Correct 181 ms 306512 KB Output is correct
33 Correct 191 ms 306512 KB Output is correct
34 Correct 186 ms 306460 KB Output is correct
35 Correct 166 ms 306340 KB Output is correct
36 Correct 134 ms 306516 KB Output is correct
37 Correct 143 ms 306436 KB Output is correct
38 Correct 114 ms 306772 KB Output is correct
39 Correct 110 ms 306592 KB Output is correct
40 Correct 197 ms 306512 KB Output is correct
41 Correct 112 ms 306516 KB Output is correct
42 Correct 191 ms 306512 KB Output is correct
43 Correct 188 ms 306516 KB Output is correct
44 Correct 681 ms 306744 KB Output is correct
45 Correct 117 ms 306476 KB Output is correct
46 Correct 249 ms 306512 KB Output is correct
47 Correct 249 ms 306516 KB Output is correct
48 Correct 222 ms 306516 KB Output is correct
49 Correct 229 ms 306592 KB Output is correct
50 Correct 215 ms 306516 KB Output is correct
51 Correct 244 ms 306772 KB Output is correct
52 Correct 187 ms 306512 KB Output is correct
53 Correct 249 ms 307052 KB Output is correct
54 Correct 235 ms 306828 KB Output is correct
55 Correct 240 ms 306516 KB Output is correct
56 Correct 214 ms 306512 KB Output is correct
57 Correct 168 ms 306520 KB Output is correct
58 Correct 233 ms 307028 KB Output is correct
59 Correct 382 ms 306628 KB Output is correct
60 Correct 211 ms 306512 KB Output is correct
61 Correct 387 ms 306768 KB Output is correct
62 Correct 378 ms 306516 KB Output is correct
63 Correct 663 ms 306516 KB Output is correct
64 Correct 548 ms 306516 KB Output is correct
65 Correct 225 ms 306516 KB Output is correct
66 Correct 392 ms 306516 KB Output is correct
67 Correct 302 ms 306772 KB Output is correct
68 Correct 602 ms 306516 KB Output is correct
69 Correct 218 ms 306536 KB Output is correct
70 Correct 309 ms 306616 KB Output is correct
71 Correct 270 ms 306568 KB Output is correct
72 Correct 267 ms 306772 KB Output is correct
73 Correct 249 ms 306768 KB Output is correct
74 Correct 308 ms 306516 KB Output is correct
75 Correct 294 ms 306772 KB Output is correct
76 Correct 229 ms 306472 KB Output is correct
77 Correct 256 ms 306768 KB Output is correct
78 Correct 248 ms 306512 KB Output is correct
79 Correct 184 ms 306524 KB Output is correct
80 Correct 223 ms 306512 KB Output is correct
81 Correct 229 ms 306772 KB Output is correct
82 Correct 133 ms 306512 KB Output is correct
83 Correct 168 ms 306504 KB Output is correct
84 Correct 234 ms 306760 KB Output is correct
85 Correct 152 ms 306516 KB Output is correct
86 Correct 248 ms 306516 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 306332 KB Output is correct
2 Correct 91 ms 306452 KB Output is correct
3 Correct 188 ms 306512 KB Output is correct
4 Correct 188 ms 306692 KB Output is correct
5 Correct 190 ms 306512 KB Output is correct
6 Correct 180 ms 306508 KB Output is correct
7 Correct 187 ms 306516 KB Output is correct
8 Correct 132 ms 306512 KB Output is correct
9 Correct 94 ms 306256 KB Output is correct
10 Correct 141 ms 306520 KB Output is correct
11 Correct 189 ms 306680 KB Output is correct
12 Correct 180 ms 306512 KB Output is correct
13 Correct 94 ms 306260 KB Output is correct
14 Correct 179 ms 306508 KB Output is correct
15 Correct 94 ms 306256 KB Output is correct
16 Correct 234 ms 306448 KB Output is correct
17 Correct 94 ms 306512 KB Output is correct
18 Correct 182 ms 306768 KB Output is correct
19 Correct 145 ms 306508 KB Output is correct
20 Correct 176 ms 306508 KB Output is correct
21 Correct 185 ms 306324 KB Output is correct
22 Correct 141 ms 306516 KB Output is correct
23 Correct 189 ms 306512 KB Output is correct
24 Correct 131 ms 306472 KB Output is correct
25 Correct 187 ms 306516 KB Output is correct
26 Correct 178 ms 306352 KB Output is correct
27 Correct 190 ms 306584 KB Output is correct
28 Correct 191 ms 306512 KB Output is correct
29 Correct 199 ms 306360 KB Output is correct
30 Correct 183 ms 306540 KB Output is correct
31 Correct 191 ms 306516 KB Output is correct
32 Correct 181 ms 306512 KB Output is correct
33 Correct 191 ms 306512 KB Output is correct
34 Correct 186 ms 306460 KB Output is correct
35 Correct 166 ms 306340 KB Output is correct
36 Correct 134 ms 306516 KB Output is correct
37 Correct 143 ms 306436 KB Output is correct
38 Correct 114 ms 306772 KB Output is correct
39 Correct 110 ms 306592 KB Output is correct
40 Correct 197 ms 306512 KB Output is correct
41 Correct 112 ms 306516 KB Output is correct
42 Correct 191 ms 306512 KB Output is correct
43 Correct 188 ms 306516 KB Output is correct
44 Correct 104 ms 306256 KB Output is correct
45 Correct 1595 ms 308688 KB Output is correct
46 Correct 1695 ms 308288 KB Output is correct
47 Correct 1611 ms 308704 KB Output is correct
48 Correct 1569 ms 308704 KB Output is correct
49 Correct 1136 ms 308292 KB Output is correct
50 Correct 1337 ms 310160 KB Output is correct
51 Correct 1597 ms 308696 KB Output is correct
52 Correct 1208 ms 307540 KB Output is correct
53 Correct 1151 ms 308472 KB Output is correct
54 Correct 755 ms 306840 KB Output is correct
55 Correct 1352 ms 310168 KB Output is correct
56 Correct 1412 ms 307280 KB Output is correct
57 Correct 1192 ms 307508 KB Output is correct
58 Correct 2768 ms 307852 KB Output is correct
59 Correct 1385 ms 307060 KB Output is correct
60 Correct 1365 ms 307280 KB Output is correct
61 Correct 2840 ms 307776 KB Output is correct
62 Correct 2004 ms 307520 KB Output is correct
63 Correct 1552 ms 307984 KB Output is correct
64 Correct 1352 ms 307280 KB Output is correct
65 Correct 1646 ms 308048 KB Output is correct
66 Correct 2045 ms 307396 KB Output is correct
67 Correct 1532 ms 307796 KB Output is correct
68 Correct 1593 ms 308052 KB Output is correct
69 Correct 1671 ms 308108 KB Output is correct
70 Correct 1485 ms 307552 KB Output is correct
71 Correct 1643 ms 308172 KB Output is correct
72 Correct 1383 ms 308568 KB Output is correct
73 Correct 1606 ms 308308 KB Output is correct
74 Correct 1463 ms 307540 KB Output is correct
75 Correct 783 ms 307284 KB Output is correct
76 Correct 1414 ms 308416 KB Output is correct
77 Correct 1561 ms 308452 KB Output is correct
78 Correct 827 ms 307452 KB Output is correct
79 Correct 833 ms 307032 KB Output is correct
80 Correct 402 ms 306772 KB Output is correct
81 Correct 791 ms 307448 KB Output is correct
82 Correct 1477 ms 307944 KB Output is correct
83 Correct 359 ms 306868 KB Output is correct
84 Correct 1601 ms 308132 KB Output is correct