Submission #304147

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
304147	2020-09-21T03:38:23 Z	QAQAutoMaton	Connecting Supertrees (IOI20_supertrees)	C++17	100 / 100	319 ms	22392 KB

supertrees

#include "supertrees.h"
#include <vector>
struct dsu{
	int fa[1005];
	void init(int n){
		for(int i=0;i<n;++i)fa[i]=i;
	}
	int find(int x){return x==fa[x]?x:fa[x]=find(fa[x]);}
	void merge(int x,int y){fa[find(x)]=find(y);}
	int rt(int x){return fa[x]==x;}
}a,b;
int query(int x,int y){
	if(a.find(x)==a.find(y))return 1;
	if(b.find(a.find(x))==b.find(a.find(y)))return 2;
	return 0;
}
std::vector<int> al[1005],bl[1005];
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	a.init(n);b.init(n);
	std::vector<std::vector<int>> ans(n,std::vector<int>(n));
	for(int i=0;i<n;++i)for(int j=0;j<n;++j)if(p[i][j]==3)return 0;
	for(int i=0;i<n;++i)for(int j=i+1;j<n;++j)if(p[i][j]==1){a.merge(i,j);}
	for(int i=0;i<n;++i)for(int j=i+1;j<n;++j)if(p[i][j]==2){b.merge(a.find(i),a.find(j));}
	for(int i=0;i<n;++i)for(int j=1;j<n;++j){
		if(p[i][j]!=query(i,j))return 0;
	}
	for(int i=0;i<n;++i){
		al[a.find(i)].emplace_back(i);
		if(a.rt(i)){
			bl[b.find(i)].emplace_back(i);
		}
	}
	for(int i=0;i<n;++i)if(a.rt(i)){
		int m=al[i].size();
		for(int j=0;j+1<m;++j){
			int x=al[i][j],y=al[i][j+1];
			ans[x][y]=ans[y][x]=1;
		}
	}
	for(int i=0;i<n;++i){
		if(a.rt(i) && b.rt(i)){
			if(bl[i].size()==1)continue;
			if(bl[i].size()==2)return 0;
			int m=bl[i].size();
			for(int j=0;j<m;++j){
				int x=bl[i][j],y=j==m-1?bl[i][0]:bl[i][j+1];
				ans[x][y]=ans[y][x]=1;
			}
		}
	}
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	11 ms	1280 KB	Output is correct
7	Correct	256 ms	22140 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	11 ms	1280 KB	Output is correct
7	Correct	256 ms	22140 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	11 ms	1280 KB	Output is correct
13	Correct	236 ms	22264 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	126 ms	12152 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	62 ms	5880 KB	Output is correct
21	Correct	260 ms	22136 KB	Output is correct
22	Correct	239 ms	22244 KB	Output is correct
23	Correct	264 ms	22136 KB	Output is correct
24	Correct	248 ms	22136 KB	Output is correct
25	Correct	98 ms	12152 KB	Output is correct
26	Correct	95 ms	12152 KB	Output is correct
27	Correct	261 ms	22136 KB	Output is correct
28	Correct	240 ms	22140 KB	Output is correct

Subtask #3
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	0 ms	384 KB	Output is correct
7	Correct	0 ms	384 KB	Output is correct
8	Correct	10 ms	1280 KB	Output is correct
9	Correct	240 ms	22264 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	11 ms	1280 KB	Output is correct
13	Correct	253 ms	22136 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	115 ms	12152 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	0 ms	384 KB	Output is correct
21	Correct	60 ms	5880 KB	Output is correct
22	Correct	266 ms	22136 KB	Output is correct
23	Correct	286 ms	22268 KB	Output is correct
24	Correct	264 ms	22136 KB	Output is correct
25	Correct	106 ms	12284 KB	Output is correct
26	Correct	106 ms	12156 KB	Output is correct
27	Correct	255 ms	22136 KB	Output is correct
28	Correct	319 ms	22392 KB	Output is correct
29	Correct	104 ms	12280 KB	Output is correct

Subtask #4
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	71 ms	5812 KB	Output is correct
5	Correct	290 ms	22136 KB	Output is correct
6	Correct	249 ms	22136 KB	Output is correct
7	Correct	264 ms	22264 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	61 ms	5872 KB	Output is correct
10	Correct	249 ms	22136 KB	Output is correct
11	Correct	245 ms	22212 KB	Output is correct
12	Correct	255 ms	22136 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	0 ms	384 KB	Output is correct
16	Correct	62 ms	5880 KB	Output is correct
17	Correct	255 ms	22136 KB	Output is correct
18	Correct	257 ms	22136 KB	Output is correct
19	Correct	252 ms	22136 KB	Output is correct
20	Correct	241 ms	22272 KB	Output is correct

Subtask #5
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	11 ms	1280 KB	Output is correct
7	Correct	256 ms	22140 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	11 ms	1280 KB	Output is correct
13	Correct	236 ms	22264 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	126 ms	12152 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	62 ms	5880 KB	Output is correct
21	Correct	260 ms	22136 KB	Output is correct
22	Correct	239 ms	22244 KB	Output is correct
23	Correct	264 ms	22136 KB	Output is correct
24	Correct	248 ms	22136 KB	Output is correct
25	Correct	98 ms	12152 KB	Output is correct
26	Correct	95 ms	12152 KB	Output is correct
27	Correct	261 ms	22136 KB	Output is correct
28	Correct	240 ms	22140 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	0 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	384 KB	Output is correct
35	Correct	0 ms	384 KB	Output is correct
36	Correct	10 ms	1280 KB	Output is correct
37	Correct	240 ms	22264 KB	Output is correct
38	Correct	0 ms	384 KB	Output is correct
39	Correct	0 ms	384 KB	Output is correct
40	Correct	11 ms	1280 KB	Output is correct
41	Correct	253 ms	22136 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	0 ms	384 KB	Output is correct
44	Correct	5 ms	768 KB	Output is correct
45	Correct	115 ms	12152 KB	Output is correct
46	Correct	0 ms	384 KB	Output is correct
47	Correct	0 ms	384 KB	Output is correct
48	Correct	0 ms	384 KB	Output is correct
49	Correct	60 ms	5880 KB	Output is correct
50	Correct	266 ms	22136 KB	Output is correct
51	Correct	286 ms	22268 KB	Output is correct
52	Correct	264 ms	22136 KB	Output is correct
53	Correct	106 ms	12284 KB	Output is correct
54	Correct	106 ms	12156 KB	Output is correct
55	Correct	255 ms	22136 KB	Output is correct
56	Correct	319 ms	22392 KB	Output is correct
57	Correct	104 ms	12280 KB	Output is correct
58	Correct	0 ms	384 KB	Output is correct
59	Correct	1 ms	512 KB	Output is correct
60	Correct	5 ms	896 KB	Output is correct
61	Correct	114 ms	12152 KB	Output is correct
62	Correct	0 ms	384 KB	Output is correct
63	Correct	0 ms	384 KB	Output is correct
64	Correct	1 ms	384 KB	Output is correct
65	Correct	63 ms	5880 KB	Output is correct
66	Correct	104 ms	12152 KB	Output is correct
67	Correct	102 ms	12152 KB	Output is correct
68	Correct	96 ms	12152 KB	Output is correct
69	Correct	104 ms	12280 KB	Output is correct

Subtask #6
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	384 KB	Output is correct
2	Correct	0 ms	384 KB	Output is correct
3	Correct	0 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	0 ms	384 KB	Output is correct
6	Correct	11 ms	1280 KB	Output is correct
7	Correct	256 ms	22140 KB	Output is correct
8	Correct	0 ms	384 KB	Output is correct
9	Correct	0 ms	384 KB	Output is correct
10	Correct	0 ms	384 KB	Output is correct
11	Correct	0 ms	384 KB	Output is correct
12	Correct	11 ms	1280 KB	Output is correct
13	Correct	236 ms	22264 KB	Output is correct
14	Correct	0 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	5 ms	768 KB	Output is correct
17	Correct	126 ms	12152 KB	Output is correct
18	Correct	0 ms	384 KB	Output is correct
19	Correct	0 ms	384 KB	Output is correct
20	Correct	62 ms	5880 KB	Output is correct
21	Correct	260 ms	22136 KB	Output is correct
22	Correct	239 ms	22244 KB	Output is correct
23	Correct	264 ms	22136 KB	Output is correct
24	Correct	248 ms	22136 KB	Output is correct
25	Correct	98 ms	12152 KB	Output is correct
26	Correct	95 ms	12152 KB	Output is correct
27	Correct	261 ms	22136 KB	Output is correct
28	Correct	240 ms	22140 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	0 ms	384 KB	Output is correct
31	Correct	0 ms	384 KB	Output is correct
32	Correct	0 ms	384 KB	Output is correct
33	Correct	0 ms	384 KB	Output is correct
34	Correct	0 ms	384 KB	Output is correct
35	Correct	0 ms	384 KB	Output is correct
36	Correct	10 ms	1280 KB	Output is correct
37	Correct	240 ms	22264 KB	Output is correct
38	Correct	0 ms	384 KB	Output is correct
39	Correct	0 ms	384 KB	Output is correct
40	Correct	11 ms	1280 KB	Output is correct
41	Correct	253 ms	22136 KB	Output is correct
42	Correct	1 ms	384 KB	Output is correct
43	Correct	0 ms	384 KB	Output is correct
44	Correct	5 ms	768 KB	Output is correct
45	Correct	115 ms	12152 KB	Output is correct
46	Correct	0 ms	384 KB	Output is correct
47	Correct	0 ms	384 KB	Output is correct
48	Correct	0 ms	384 KB	Output is correct
49	Correct	60 ms	5880 KB	Output is correct
50	Correct	266 ms	22136 KB	Output is correct
51	Correct	286 ms	22268 KB	Output is correct
52	Correct	264 ms	22136 KB	Output is correct
53	Correct	106 ms	12284 KB	Output is correct
54	Correct	106 ms	12156 KB	Output is correct
55	Correct	255 ms	22136 KB	Output is correct
56	Correct	319 ms	22392 KB	Output is correct
57	Correct	104 ms	12280 KB	Output is correct
58	Correct	0 ms	384 KB	Output is correct
59	Correct	0 ms	384 KB	Output is correct
60	Correct	0 ms	384 KB	Output is correct
61	Correct	71 ms	5812 KB	Output is correct
62	Correct	290 ms	22136 KB	Output is correct
63	Correct	249 ms	22136 KB	Output is correct
64	Correct	264 ms	22264 KB	Output is correct
65	Correct	0 ms	384 KB	Output is correct
66	Correct	61 ms	5872 KB	Output is correct
67	Correct	249 ms	22136 KB	Output is correct
68	Correct	245 ms	22212 KB	Output is correct
69	Correct	255 ms	22136 KB	Output is correct
70	Correct	1 ms	384 KB	Output is correct
71	Correct	1 ms	384 KB	Output is correct
72	Correct	0 ms	384 KB	Output is correct
73	Correct	62 ms	5880 KB	Output is correct
74	Correct	255 ms	22136 KB	Output is correct
75	Correct	257 ms	22136 KB	Output is correct
76	Correct	252 ms	22136 KB	Output is correct
77	Correct	241 ms	22272 KB	Output is correct
78	Correct	0 ms	384 KB	Output is correct
79	Correct	1 ms	512 KB	Output is correct
80	Correct	5 ms	896 KB	Output is correct
81	Correct	114 ms	12152 KB	Output is correct
82	Correct	0 ms	384 KB	Output is correct
83	Correct	0 ms	384 KB	Output is correct
84	Correct	1 ms	384 KB	Output is correct
85	Correct	63 ms	5880 KB	Output is correct
86	Correct	104 ms	12152 KB	Output is correct
87	Correct	102 ms	12152 KB	Output is correct
88	Correct	96 ms	12152 KB	Output is correct
89	Correct	104 ms	12280 KB	Output is correct
90	Correct	0 ms	384 KB	Output is correct
91	Correct	0 ms	384 KB	Output is correct
92	Correct	5 ms	896 KB	Output is correct
93	Correct	102 ms	12152 KB	Output is correct
94	Correct	0 ms	384 KB	Output is correct
95	Correct	1 ms	384 KB	Output is correct
96	Correct	0 ms	384 KB	Output is correct
97	Correct	23 ms	3328 KB	Output is correct
98	Correct	94 ms	12152 KB	Output is correct
99	Correct	99 ms	12156 KB	Output is correct
100	Correct	93 ms	12280 KB	Output is correct
101	Correct	92 ms	12152 KB	Output is correct
102	Correct	106 ms	12156 KB	Output is correct
103	Correct	101 ms	12156 KB	Output is correct
104	Correct	102 ms	12152 KB	Output is correct
105	Correct	104 ms	12140 KB	Output is correct

Submission #304147

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 10.0 / 10.0

Subtask #3 19.0 / 19.0

Subtask #4 35.0 / 35.0

Subtask #5 21.0 / 21.0

Subtask #6 4.0 / 4.0

Subtask #1
11.0 / 11.0

Subtask #2
10.0 / 10.0

Subtask #3
19.0 / 19.0

Subtask #4
35.0 / 35.0

Subtask #5
21.0 / 21.0

Subtask #6
4.0 / 4.0