oj.uz

Submission #203627

# Submission time Handle Problem Language Result Execution time Memory
203627 2020-02-21T16:34:15 Z karma Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 1053 ms 70288 KB 
#include<bits/stdc++.h>
#define ll            long long
#define pb            emplace_back
#define fi            first
#define se            second
#define mp            make_pair
//#define int           int64_t

using namespace std;

typedef pair<int, int> pii;
const int N = (int)5e4 + 2;

priority_queue<pii, vector<pii>, greater<pii>> pq;
int n, k, d, u, cnt, res, ans;
int deg[N], lab[N], id[N];
bool del[N], ok;
vector<int> adj[N], r[N];
map<pii, bool> edges;
pii top;

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    #define FileName      "test"
    if(fopen(FileName".inp", "r")) {
       freopen(FileName".inp", "r", stdin);
       freopen(FileName".out", "w", stdout);
    }
    cin >> n >> k;
    for(int i = 0; i < n; ++i) {
        cin >> d; adj[i].resize(d);
        for(int& c: adj[i]) {
            cin >> c, edges[{i, c}] = 1;
            r[c].pb(i);
        }
        deg[i] = d; pq.push(mp(deg[i], i));
    }
    res = 1;
    while(pq.size()) {
         top = pq.top(); pq.pop();
         if(top.fi != deg[top.se]) continue;
         u = top.se; cnt = 0;
         for(int v: adj[u]) {
             if(del[v] || !edges[{v, u}]) continue;
             id[lab[v] = cnt ++] = v;
         }
         for(int i = 0; i < (1 << cnt); ++i) {
             if((ans = __builtin_popcount(i)) < res) continue;
             ok = 1;
             for(int j = 0; j < cnt; ++j) {
                if(!(i >> j & 1)) continue;
                for(int k = j + 1; k < cnt; ++k) {
                    if((i >> k & 1) && !edges[{id[j], id[k]}]) ok = 0;
                }
                if(!ok) break;
             }
             if(ok) res = ans + 1;
         }
         del[u] = 1;
         for(int v: r[u]) {
            if(del[v]) continue;
            --deg[v]; pq.push(mp(deg[v], v));
         }
    }
    cout << res;
}

Compilation message

politicaldevelopment.cpp: In function 'int32_t main()':
politicaldevelopment.cpp:27:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
        freopen(FileName".inp", "r", stdin);
        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
politicaldevelopment.cpp:28:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
        freopen(FileName".out", "w", stdout);
        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 13 ms 3704 KB Output is correct
4 Correct 11 ms 3832 KB Output is correct
5 Correct 12 ms 3832 KB Output is correct
6 Correct 12 ms 3832 KB Output is correct
7 Correct 13 ms 3832 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 7 ms 2680 KB Output is correct
10 Correct 7 ms 2808 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 13 ms 3704 KB Output is correct
4 Correct 11 ms 3832 KB Output is correct
5 Correct 12 ms 3832 KB Output is correct
6 Correct 12 ms 3832 KB Output is correct
7 Correct 13 ms 3832 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 7 ms 2680 KB Output is correct
10 Correct 7 ms 2808 KB Output is correct
11 Correct 12 ms 3704 KB Output is correct
12 Correct 11 ms 3704 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 12 ms 3832 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 13 ms 3832 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 17 ms 3832 KB Output is correct
19 Correct 7 ms 2808 KB Output is correct
20 Correct 10 ms 3448 KB Output is correct
21 Correct 10 ms 3448 KB Output is correct
22 Correct 7 ms 2808 KB Output is correct
23 Correct 15 ms 3960 KB Output is correct
24 Correct 7 ms 2808 KB Output is correct
25 Correct 15 ms 3960 KB Output is correct
26 Correct 15 ms 3960 KB Output is correct
27 Correct 12 ms 3704 KB Output is correct
28 Correct 14 ms 3960 KB Output is correct
29 Correct 13 ms 3832 KB Output is correct
30 Correct 18 ms 4216 KB Output is correct
31 Correct 16 ms 4088 KB Output is correct
32 Correct 15 ms 4220 KB Output is correct
33 Correct 16 ms 4092 KB Output is correct
34 Correct 16 ms 4088 KB Output is correct
35 Correct 10 ms 3448 KB Output is correct
36 Correct 11 ms 3452 KB Output is correct
37 Correct 12 ms 3448 KB Output is correct
38 Correct 9 ms 3224 KB Output is correct
39 Correct 9 ms 3192 KB Output is correct
40 Correct 20 ms 4600 KB Output is correct
41 Correct 9 ms 3192 KB Output is correct
42 Correct 20 ms 4600 KB Output is correct
43 Correct 20 ms 4728 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2808 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 6 ms 2680 KB Output is correct
4 Correct 7 ms 2680 KB Output is correct
5 Correct 6 ms 2680 KB Output is correct
6 Correct 6 ms 2680 KB Output is correct
7 Correct 6 ms 2680 KB Output is correct
8 Correct 6 ms 2680 KB Output is correct
9 Correct 7 ms 2680 KB Output is correct
10 Correct 7 ms 2680 KB Output is correct
11 Correct 1053 ms 70244 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 1050 ms 70288 KB Output is correct
14 Correct 6 ms 2680 KB Output is correct
15 Correct 1032 ms 70248 KB Output is correct
16 Correct 1020 ms 70244 KB Output is correct
17 Correct 1049 ms 70244 KB Output is correct
18 Correct 1033 ms 70244 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 13 ms 3704 KB Output is correct
4 Correct 11 ms 3832 KB Output is correct
5 Correct 12 ms 3832 KB Output is correct
6 Correct 12 ms 3832 KB Output is correct
7 Correct 13 ms 3832 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 7 ms 2680 KB Output is correct
10 Correct 7 ms 2808 KB Output is correct
11 Correct 12 ms 3704 KB Output is correct
12 Correct 11 ms 3704 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 12 ms 3832 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 13 ms 3832 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 17 ms 3832 KB Output is correct
19 Correct 7 ms 2808 KB Output is correct
20 Correct 10 ms 3448 KB Output is correct
21 Correct 10 ms 3448 KB Output is correct
22 Correct 7 ms 2808 KB Output is correct
23 Correct 15 ms 3960 KB Output is correct
24 Correct 7 ms 2808 KB Output is correct
25 Correct 15 ms 3960 KB Output is correct
26 Correct 15 ms 3960 KB Output is correct
27 Correct 12 ms 3704 KB Output is correct
28 Correct 14 ms 3960 KB Output is correct
29 Correct 13 ms 3832 KB Output is correct
30 Correct 18 ms 4216 KB Output is correct
31 Correct 16 ms 4088 KB Output is correct
32 Correct 15 ms 4220 KB Output is correct
33 Correct 16 ms 4092 KB Output is correct
34 Correct 16 ms 4088 KB Output is correct
35 Correct 10 ms 3448 KB Output is correct
36 Correct 11 ms 3452 KB Output is correct
37 Correct 12 ms 3448 KB Output is correct
38 Correct 9 ms 3224 KB Output is correct
39 Correct 9 ms 3192 KB Output is correct
40 Correct 20 ms 4600 KB Output is correct
41 Correct 9 ms 3192 KB Output is correct
42 Correct 20 ms 4600 KB Output is correct
43 Correct 20 ms 4728 KB Output is correct
44 Correct 30 ms 6136 KB Output is correct
45 Correct 6 ms 2680 KB Output is correct
46 Correct 20 ms 4732 KB Output is correct
47 Correct 51 ms 7796 KB Output is correct
48 Correct 19 ms 4728 KB Output is correct
49 Correct 47 ms 7668 KB Output is correct
50 Correct 48 ms 7796 KB Output is correct
51 Correct 392 ms 17776 KB Output is correct
52 Correct 12 ms 3832 KB Output is correct
53 Correct 749 ms 10868 KB Output is correct
54 Correct 722 ms 20848 KB Output is correct
55 Correct 13 ms 3832 KB Output is correct
56 Correct 12 ms 3832 KB Output is correct
57 Correct 7 ms 2808 KB Output is correct
58 Correct 682 ms 10744 KB Output is correct
59 Correct 18 ms 4472 KB Output is correct
60 Correct 12 ms 3836 KB Output is correct
61 Correct 18 ms 4472 KB Output is correct
62 Correct 18 ms 4472 KB Output is correct
63 Correct 29 ms 6136 KB Output is correct
64 Correct 26 ms 5752 KB Output is correct
65 Correct 18 ms 4472 KB Output is correct
66 Correct 18 ms 4472 KB Output is correct
67 Correct 69 ms 9080 KB Output is correct
68 Correct 27 ms 5752 KB Output is correct
69 Correct 18 ms 4344 KB Output is correct
70 Correct 31 ms 6136 KB Output is correct
71 Correct 70 ms 9076 KB Output is correct
72 Correct 59 ms 8440 KB Output is correct
73 Correct 13 ms 3832 KB Output is correct
74 Correct 31 ms 6264 KB Output is correct
75 Correct 61 ms 8568 KB Output is correct
76 Correct 28 ms 5496 KB Output is correct
77 Correct 180 ms 12532 KB Output is correct
78 Correct 13 ms 3832 KB Output is correct
79 Correct 81 ms 7544 KB Output is correct
80 Correct 26 ms 5368 KB Output is correct
81 Correct 179 ms 12532 KB Output is correct
82 Correct 9 ms 3192 KB Output is correct
83 Correct 80 ms 7572 KB Output is correct
84 Correct 78 ms 9336 KB Output is correct
85 Correct 9 ms 3192 KB Output is correct
86 Correct 39 ms 7032 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 13 ms 3704 KB Output is correct
4 Correct 11 ms 3832 KB Output is correct
5 Correct 12 ms 3832 KB Output is correct
6 Correct 12 ms 3832 KB Output is correct
7 Correct 13 ms 3832 KB Output is correct
8 Correct 6 ms 2808 KB Output is correct
9 Correct 7 ms 2680 KB Output is correct
10 Correct 7 ms 2808 KB Output is correct
11 Correct 12 ms 3704 KB Output is correct
12 Correct 11 ms 3704 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 12 ms 3832 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 13 ms 3832 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 17 ms 3832 KB Output is correct
19 Correct 7 ms 2808 KB Output is correct
20 Correct 10 ms 3448 KB Output is correct
21 Correct 10 ms 3448 KB Output is correct
22 Correct 7 ms 2808 KB Output is correct
23 Correct 15 ms 3960 KB Output is correct
24 Correct 7 ms 2808 KB Output is correct
25 Correct 15 ms 3960 KB Output is correct
26 Correct 15 ms 3960 KB Output is correct
27 Correct 12 ms 3704 KB Output is correct
28 Correct 14 ms 3960 KB Output is correct
29 Correct 13 ms 3832 KB Output is correct
30 Correct 18 ms 4216 KB Output is correct
31 Correct 16 ms 4088 KB Output is correct
32 Correct 15 ms 4220 KB Output is correct
33 Correct 16 ms 4092 KB Output is correct
34 Correct 16 ms 4088 KB Output is correct
35 Correct 10 ms 3448 KB Output is correct
36 Correct 11 ms 3452 KB Output is correct
37 Correct 12 ms 3448 KB Output is correct
38 Correct 9 ms 3224 KB Output is correct
39 Correct 9 ms 3192 KB Output is correct
40 Correct 20 ms 4600 KB Output is correct
41 Correct 9 ms 3192 KB Output is correct
42 Correct 20 ms 4600 KB Output is correct
43 Correct 20 ms 4728 KB Output is correct
44 Correct 7 ms 2680 KB Output is correct
45 Correct 398 ms 35428 KB Output is correct
46 Correct 173 ms 17264 KB Output is correct
47 Correct 422 ms 36712 KB Output is correct
48 Correct 410 ms 35940 KB Output is correct
49 Correct 84 ms 13808 KB Output is correct
50 Correct 410 ms 37228 KB Output is correct
51 Correct 412 ms 36464 KB Output is correct
52 Correct 86 ms 14064 KB Output is correct
53 Correct 92 ms 13876 KB Output is correct
54 Correct 14 ms 3576 KB Output is correct
55 Correct 419 ms 37228 KB Output is correct
56 Correct 62 ms 10224 KB Output is correct
57 Correct 82 ms 14064 KB Output is correct
58 Correct 148 ms 17264 KB Output is correct
59 Correct 63 ms 10180 KB Output is correct
60 Correct 64 ms 10144 KB Output is correct
61 Correct 140 ms 17008 KB Output is correct
62 Correct 102 ms 13680 KB Output is correct
63 Correct 202 ms 19568 KB Output is correct
64 Correct 64 ms 10220 KB Output is correct
65 Correct 268 ms 23664 KB Output is correct
66 Correct 106 ms 13552 KB Output is correct
67 Correct 201 ms 19696 KB Output is correct
68 Correct 261 ms 23720 KB Output is correct
69 Correct 252 ms 23796 KB Output is correct
70 Correct 109 ms 13556 KB Output is correct
71 Correct 261 ms 23940 KB Output is correct
72 Correct 195 ms 19568 KB Output is correct
73 Correct 370 ms 32876 KB Output is correct
74 Correct 107 ms 13556 KB Output is correct
75 Correct 110 ms 13296 KB Output is correct
76 Correct 212 ms 20348 KB Output is correct
77 Correct 365 ms 32620 KB Output is correct
78 Correct 164 ms 17644 KB Output is correct
79 Correct 120 ms 13296 KB Output is correct
80 Correct 44 ms 8056 KB Output is correct
81 Correct 158 ms 17648 KB Output is correct
82 Correct 236 ms 22256 KB Output is correct
83 Correct 43 ms 8180 KB Output is correct
84 Correct 225 ms 21872 KB Output is correct