Submission #298031

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
298031	2020-09-12T10:01:17 Z	miss_robot	Political Development (BOI17_politicaldevelopment)	C++14	100 / 100	383 ms	26672 KB

politicaldevelopment

#include <bits/stdc++.h>

#pragma GCC optimize("O3")

using namespace std;

int main(){
	cin.tie(0);
	ios::sync_with_stdio(0);
	int n, k, s = 1;
	cin >> n >> k;
	vector< set<int> > g(n);
	vector<int> q;
	for(int i = 0, j, a; i < n; i++){
		cin >> j;
		if(j < k) q.push_back(i);
		while(j--){
			cin >> a;
			g[i].insert(a);
		}
	}
	while(!q.empty()){
		int u = q.back();
		q.pop_back();
		vector<int> p, c(g[u].size());
		for(int i : g[u]) p.push_back(i);
		for(int i = 0; i < (int)g[u].size(); i++)
			for(int j = 0; j < (int)g[u].size(); j++)
				if(g[p[i]].count(p[j]) || i == j) c[i] |= (1<<j);
		for(int i = 1, p; i < 1<<(int)g[u].size(); i++){
			p = 1;
			for(int j = 0; j < (int)g[u].size(); j++)
				if(i&(1<<j) && i != (i&c[j])) p = 0;
			if(p) s = max(s, __builtin_popcount(i)+1);
		}
		for(int j : g[u]){
			g[j].erase(u);
			if((int)g[j].size() == k-1) q.push_back(j);
		}
	}
	cout << s << "\n";
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1152 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	4 ms	1152 KB	Output is correct
7	Correct	4 ms	1152 KB	Output is correct
8	Correct	1 ms	640 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1152 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	4 ms	1152 KB	Output is correct
7	Correct	4 ms	1152 KB	Output is correct
8	Correct	1 ms	640 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct
11	Correct	6 ms	1280 KB	Output is correct
12	Correct	5 ms	1152 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	5 ms	1152 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	4 ms	1152 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	4 ms	1152 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	896 KB	Output is correct
21	Correct	3 ms	896 KB	Output is correct
22	Correct	1 ms	640 KB	Output is correct
23	Correct	6 ms	1280 KB	Output is correct
24	Correct	1 ms	640 KB	Output is correct
25	Correct	5 ms	1280 KB	Output is correct
26	Correct	5 ms	1152 KB	Output is correct
27	Correct	5 ms	1152 KB	Output is correct
28	Correct	5 ms	1152 KB	Output is correct
29	Correct	4 ms	1152 KB	Output is correct
30	Correct	6 ms	1280 KB	Output is correct
31	Correct	5 ms	1280 KB	Output is correct
32	Correct	7 ms	1280 KB	Output is correct
33	Correct	5 ms	1280 KB	Output is correct
34	Correct	5 ms	1280 KB	Output is correct
35	Correct	3 ms	768 KB	Output is correct
36	Correct	3 ms	768 KB	Output is correct
37	Correct	3 ms	768 KB	Output is correct
38	Correct	2 ms	640 KB	Output is correct
39	Correct	2 ms	640 KB	Output is correct
40	Correct	8 ms	1664 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	8 ms	1664 KB	Output is correct
43	Correct	8 ms	1664 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	367 ms	26612 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	369 ms	26672 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	376 ms	26612 KB	Output is correct
16	Correct	383 ms	26636 KB	Output is correct
17	Correct	375 ms	26612 KB	Output is correct
18	Correct	379 ms	26612 KB	Output is correct

Subtask #4
38.0 / 38.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1152 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	4 ms	1152 KB	Output is correct
7	Correct	4 ms	1152 KB	Output is correct
8	Correct	1 ms	640 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct
11	Correct	6 ms	1280 KB	Output is correct
12	Correct	5 ms	1152 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	5 ms	1152 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	4 ms	1152 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	4 ms	1152 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	896 KB	Output is correct
21	Correct	3 ms	896 KB	Output is correct
22	Correct	1 ms	640 KB	Output is correct
23	Correct	6 ms	1280 KB	Output is correct
24	Correct	1 ms	640 KB	Output is correct
25	Correct	5 ms	1280 KB	Output is correct
26	Correct	5 ms	1152 KB	Output is correct
27	Correct	5 ms	1152 KB	Output is correct
28	Correct	5 ms	1152 KB	Output is correct
29	Correct	4 ms	1152 KB	Output is correct
30	Correct	6 ms	1280 KB	Output is correct
31	Correct	5 ms	1280 KB	Output is correct
32	Correct	7 ms	1280 KB	Output is correct
33	Correct	5 ms	1280 KB	Output is correct
34	Correct	5 ms	1280 KB	Output is correct
35	Correct	3 ms	768 KB	Output is correct
36	Correct	3 ms	768 KB	Output is correct
37	Correct	3 ms	768 KB	Output is correct
38	Correct	2 ms	640 KB	Output is correct
39	Correct	2 ms	640 KB	Output is correct
40	Correct	8 ms	1664 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	8 ms	1664 KB	Output is correct
43	Correct	8 ms	1664 KB	Output is correct
44	Correct	21 ms	2688 KB	Output is correct
45	Correct	1 ms	384 KB	Output is correct
46	Correct	10 ms	1664 KB	Output is correct
47	Correct	20 ms	2688 KB	Output is correct
48	Correct	8 ms	1664 KB	Output is correct
49	Correct	18 ms	2688 KB	Output is correct
50	Correct	21 ms	2688 KB	Output is correct
51	Correct	70 ms	4736 KB	Output is correct
52	Correct	4 ms	1168 KB	Output is correct
53	Correct	105 ms	5248 KB	Output is correct
54	Correct	109 ms	5248 KB	Output is correct
55	Correct	5 ms	1152 KB	Output is correct
56	Correct	4 ms	1152 KB	Output is correct
57	Correct	1 ms	640 KB	Output is correct
58	Correct	107 ms	5248 KB	Output is correct
59	Correct	7 ms	1664 KB	Output is correct
60	Correct	5 ms	1152 KB	Output is correct
61	Correct	7 ms	1664 KB	Output is correct
62	Correct	7 ms	1664 KB	Output is correct
63	Correct	21 ms	2688 KB	Output is correct
64	Correct	16 ms	2432 KB	Output is correct
65	Correct	7 ms	1664 KB	Output is correct
66	Correct	7 ms	1664 KB	Output is correct
67	Correct	55 ms	3072 KB	Output is correct
68	Correct	15 ms	2432 KB	Output is correct
69	Correct	7 ms	1536 KB	Output is correct
70	Correct	19 ms	2432 KB	Output is correct
71	Correct	53 ms	3072 KB	Output is correct
72	Correct	48 ms	2944 KB	Output is correct
73	Correct	4 ms	1152 KB	Output is correct
74	Correct	21 ms	2560 KB	Output is correct
75	Correct	50 ms	2944 KB	Output is correct
76	Correct	13 ms	2048 KB	Output is correct
77	Correct	59 ms	3640 KB	Output is correct
78	Correct	4 ms	1152 KB	Output is correct
79	Correct	29 ms	1920 KB	Output is correct
80	Correct	12 ms	1920 KB	Output is correct
81	Correct	60 ms	3584 KB	Output is correct
82	Correct	3 ms	640 KB	Output is correct
83	Correct	33 ms	1920 KB	Output is correct
84	Correct	31 ms	2944 KB	Output is correct
85	Correct	2 ms	640 KB	Output is correct
86	Correct	30 ms	2944 KB	Output is correct

Subtask #5
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	4 ms	1152 KB	Output is correct
4	Correct	4 ms	1152 KB	Output is correct
5	Correct	5 ms	1152 KB	Output is correct
6	Correct	4 ms	1152 KB	Output is correct
7	Correct	4 ms	1152 KB	Output is correct
8	Correct	1 ms	640 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct
11	Correct	6 ms	1280 KB	Output is correct
12	Correct	5 ms	1152 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	5 ms	1152 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	4 ms	1152 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	4 ms	1152 KB	Output is correct
19	Correct	2 ms	640 KB	Output is correct
20	Correct	2 ms	896 KB	Output is correct
21	Correct	3 ms	896 KB	Output is correct
22	Correct	1 ms	640 KB	Output is correct
23	Correct	6 ms	1280 KB	Output is correct
24	Correct	1 ms	640 KB	Output is correct
25	Correct	5 ms	1280 KB	Output is correct
26	Correct	5 ms	1152 KB	Output is correct
27	Correct	5 ms	1152 KB	Output is correct
28	Correct	5 ms	1152 KB	Output is correct
29	Correct	4 ms	1152 KB	Output is correct
30	Correct	6 ms	1280 KB	Output is correct
31	Correct	5 ms	1280 KB	Output is correct
32	Correct	7 ms	1280 KB	Output is correct
33	Correct	5 ms	1280 KB	Output is correct
34	Correct	5 ms	1280 KB	Output is correct
35	Correct	3 ms	768 KB	Output is correct
36	Correct	3 ms	768 KB	Output is correct
37	Correct	3 ms	768 KB	Output is correct
38	Correct	2 ms	640 KB	Output is correct
39	Correct	2 ms	640 KB	Output is correct
40	Correct	8 ms	1664 KB	Output is correct
41	Correct	2 ms	640 KB	Output is correct
42	Correct	8 ms	1664 KB	Output is correct
43	Correct	8 ms	1664 KB	Output is correct
44	Correct	1 ms	384 KB	Output is correct
45	Correct	201 ms	18784 KB	Output is correct
46	Correct	92 ms	10868 KB	Output is correct
47	Correct	172 ms	18680 KB	Output is correct
48	Correct	195 ms	18680 KB	Output is correct
49	Correct	49 ms	8308 KB	Output is correct
50	Correct	232 ms	24052 KB	Output is correct
51	Correct	179 ms	18680 KB	Output is correct
52	Correct	49 ms	8316 KB	Output is correct
53	Correct	65 ms	8308 KB	Output is correct
54	Correct	9 ms	3200 KB	Output is correct
55	Correct	245 ms	24180 KB	Output is correct
56	Correct	23 ms	5628 KB	Output is correct
57	Correct	43 ms	8316 KB	Output is correct
58	Correct	76 ms	10868 KB	Output is correct
59	Correct	23 ms	5628 KB	Output is correct
60	Correct	22 ms	5652 KB	Output is correct
61	Correct	63 ms	10868 KB	Output is correct
62	Correct	40 ms	8316 KB	Output is correct
63	Correct	84 ms	12160 KB	Output is correct
64	Correct	22 ms	5628 KB	Output is correct
65	Correct	123 ms	14848 KB	Output is correct
66	Correct	39 ms	8308 KB	Output is correct
67	Correct	88 ms	12152 KB	Output is correct
68	Correct	112 ms	14200 KB	Output is correct
69	Correct	121 ms	15096 KB	Output is correct
70	Correct	39 ms	8316 KB	Output is correct
71	Correct	112 ms	14076 KB	Output is correct
72	Correct	92 ms	11764 KB	Output is correct
73	Correct	140 ms	16364 KB	Output is correct
74	Correct	42 ms	8340 KB	Output is correct
75	Correct	44 ms	6784 KB	Output is correct
76	Correct	92 ms	11800 KB	Output is correct
77	Correct	137 ms	16376 KB	Output is correct
78	Correct	69 ms	8312 KB	Output is correct
79	Correct	45 ms	6656 KB	Output is correct
80	Correct	20 ms	3584 KB	Output is correct
81	Correct	72 ms	8320 KB	Output is correct
82	Correct	90 ms	13560 KB	Output is correct
83	Correct	22 ms	3584 KB	Output is correct
84	Correct	88 ms	13560 KB	Output is correct

Submission #298031

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 38.0 / 38.0

Subtask #5 23.0 / 23.0

Subtask #1
4.0 / 4.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
38.0 / 38.0

Subtask #5
23.0 / 23.0