답안 #304147

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
304147 2020-09-21T03:38:23 Z QAQAutoMaton 슈퍼트리 잇기 (IOI20_supertrees) C++17
100 / 100
319 ms 22392 KB
#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;
}
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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